(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.mocha = factory());
}(this, (function () { 'use strict';

	var regeneratorRuntime;

	var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

	function createCommonjsModule(fn, basedir, module) {
		return module = {
		  path: basedir,
		  exports: {},
		  require: function (path, base) {
	      return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
	    }
		}, fn(module, module.exports), module.exports;
	}

	function getCjsExportFromNamespace (n) {
		return n && n['default'] || n;
	}

	function commonjsRequire () {
		throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
	}

	var check = function (it) {
	  return it && it.Math == Math && it;
	};

	// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
	var global_1 =
	  // eslint-disable-next-line no-undef
	  check(typeof globalThis == 'object' && globalThis) ||
	  check(typeof window == 'object' && window) ||
	  check(typeof self == 'object' && self) ||
	  check(typeof commonjsGlobal == 'object' && commonjsGlobal) ||
	  // eslint-disable-next-line no-new-func
	  (function () { return this; })() || Function('return this')();

	var fails = function (exec) {
	  try {
	    return !!exec();
	  } catch (error) {
	    return true;
	  }
	};

	// Detect IE8's incomplete defineProperty implementation
	var descriptors = !fails(function () {
	  return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;
	});

	var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
	var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

	// Nashorn ~ JDK8 bug
	var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);

	// `Object.prototype.propertyIsEnumerable` method implementation
	// https://tc39.es/ecma262/#sec-object.prototype.propertyisenumerable
	var f = NASHORN_BUG ? function propertyIsEnumerable(V) {
	  var descriptor = getOwnPropertyDescriptor(this, V);
	  return !!descriptor && descriptor.enumerable;
	} : nativePropertyIsEnumerable;

	var objectPropertyIsEnumerable = {
		f: f
	};

	var createPropertyDescriptor = function (bitmap, value) {
	  return {
	    enumerable: !(bitmap & 1),
	    configurable: !(bitmap & 2),
	    writable: !(bitmap & 4),
	    value: value
	  };
	};

	var toString = {}.toString;

	var classofRaw = function (it) {
	  return toString.call(it).slice(8, -1);
	};

	var split = ''.split;

	// fallback for non-array-like ES3 and non-enumerable old V8 strings
	var indexedObject = fails(function () {
	  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
	  // eslint-disable-next-line no-prototype-builtins
	  return !Object('z').propertyIsEnumerable(0);
	}) ? function (it) {
	  return classofRaw(it) == 'String' ? split.call(it, '') : Object(it);
	} : Object;

	// `RequireObjectCoercible` abstract operation
	// https://tc39.es/ecma262/#sec-requireobjectcoercible
	var requireObjectCoercible = function (it) {
	  if (it == undefined) throw TypeError("Can't call method on " + it);
	  return it;
	};

	// toObject with fallback for non-array-like ES3 strings



	var toIndexedObject = function (it) {
	  return indexedObject(requireObjectCoercible(it));
	};

	var isObject = function (it) {
	  return typeof it === 'object' ? it !== null : typeof it === 'function';
	};

	// `ToPrimitive` abstract operation
	// https://tc39.es/ecma262/#sec-toprimitive
	// instead of the ES6 spec version, we didn't implement @@toPrimitive case
	// and the second argument - flag - preferred type is a string
	var toPrimitive = function (input, PREFERRED_STRING) {
	  if (!isObject(input)) return input;
	  var fn, val;
	  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
	  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;
	  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
	  throw TypeError("Can't convert object to primitive value");
	};

	var hasOwnProperty = {}.hasOwnProperty;

	var has = function (it, key) {
	  return hasOwnProperty.call(it, key);
	};

	var document$1 = global_1.document;
	// typeof document.createElement is 'object' in old IE
	var EXISTS = isObject(document$1) && isObject(document$1.createElement);

	var documentCreateElement = function (it) {
	  return EXISTS ? document$1.createElement(it) : {};
	};

	// Thank's IE8 for his funny defineProperty
	var ie8DomDefine = !descriptors && !fails(function () {
	  return Object.defineProperty(documentCreateElement('div'), 'a', {
	    get: function () { return 7; }
	  }).a != 7;
	});

	var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

	// `Object.getOwnPropertyDescriptor` method
	// https://tc39.es/ecma262/#sec-object.getownpropertydescriptor
	var f$1 = descriptors ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
	  O = toIndexedObject(O);
	  P = toPrimitive(P, true);
	  if (ie8DomDefine) try {
	    return nativeGetOwnPropertyDescriptor(O, P);
	  } catch (error) { /* empty */ }
	  if (has(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
	};

	var objectGetOwnPropertyDescriptor = {
		f: f$1
	};

	var anObject = function (it) {
	  if (!isObject(it)) {
	    throw TypeError(String(it) + ' is not an object');
	  } return it;
	};

	var nativeDefineProperty = Object.defineProperty;

	// `Object.defineProperty` method
	// https://tc39.es/ecma262/#sec-object.defineproperty
	var f$2 = descriptors ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
	  anObject(O);
	  P = toPrimitive(P, true);
	  anObject(Attributes);
	  if (ie8DomDefine) try {
	    return nativeDefineProperty(O, P, Attributes);
	  } catch (error) { /* empty */ }
	  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
	  if ('value' in Attributes) O[P] = Attributes.value;
	  return O;
	};

	var objectDefineProperty = {
		f: f$2
	};

	var createNonEnumerableProperty = descriptors ? function (object, key, value) {
	  return objectDefineProperty.f(object, key, createPropertyDescriptor(1, value));
	} : function (object, key, value) {
	  object[key] = value;
	  return object;
	};

	var setGlobal = function (key, value) {
	  try {
	    createNonEnumerableProperty(global_1, key, value);
	  } catch (error) {
	    global_1[key] = value;
	  } return value;
	};

	var SHARED = '__core-js_shared__';
	var store = global_1[SHARED] || setGlobal(SHARED, {});

	var sharedStore = store;

	var functionToString = Function.toString;

	// this helper broken in `3.4.1-3.4.4`, so we can't use `shared` helper
	if (typeof sharedStore.inspectSource != 'function') {
	  sharedStore.inspectSource = function (it) {
	    return functionToString.call(it);
	  };
	}

	var inspectSource = sharedStore.inspectSource;

	var WeakMap = global_1.WeakMap;

	var nativeWeakMap = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));

	var shared = createCommonjsModule(function (module) {
	(module.exports = function (key, value) {
	  return sharedStore[key] || (sharedStore[key] = value !== undefined ? value : {});
	})('versions', []).push({
	  version: '3.8.3',
	  mode:  'global',
	  copyright: '© 2021 Denis Pushkarev (zloirock.ru)'
	});
	});

	var id = 0;
	var postfix = Math.random();

	var uid = function (key) {
	  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
	};

	var keys = shared('keys');

	var sharedKey = function (key) {
	  return keys[key] || (keys[key] = uid(key));
	};

	var hiddenKeys = {};

	var WeakMap$1 = global_1.WeakMap;
	var set, get, has$1;

	var enforce = function (it) {
	  return has$1(it) ? get(it) : set(it, {});
	};

	var getterFor = function (TYPE) {
	  return function (it) {
	    var state;
	    if (!isObject(it) || (state = get(it)).type !== TYPE) {
	      throw TypeError('Incompatible receiver, ' + TYPE + ' required');
	    } return state;
	  };
	};

	if (nativeWeakMap) {
	  var store$1 = sharedStore.state || (sharedStore.state = new WeakMap$1());
	  var wmget = store$1.get;
	  var wmhas = store$1.has;
	  var wmset = store$1.set;
	  set = function (it, metadata) {
	    metadata.facade = it;
	    wmset.call(store$1, it, metadata);
	    return metadata;
	  };
	  get = function (it) {
	    return wmget.call(store$1, it) || {};
	  };
	  has$1 = function (it) {
	    return wmhas.call(store$1, it);
	  };
	} else {
	  var STATE = sharedKey('state');
	  hiddenKeys[STATE] = true;
	  set = function (it, metadata) {
	    metadata.facade = it;
	    createNonEnumerableProperty(it, STATE, metadata);
	    return metadata;
	  };
	  get = function (it) {
	    return has(it, STATE) ? it[STATE] : {};
	  };
	  has$1 = function (it) {
	    return has(it, STATE);
	  };
	}

	var internalState = {
	  set: set,
	  get: get,
	  has: has$1,
	  enforce: enforce,
	  getterFor: getterFor
	};

	var redefine = createCommonjsModule(function (module) {
	var getInternalState = internalState.get;
	var enforceInternalState = internalState.enforce;
	var TEMPLATE = String(String).split('String');

	(module.exports = function (O, key, value, options) {
	  var unsafe = options ? !!options.unsafe : false;
	  var simple = options ? !!options.enumerable : false;
	  var noTargetGet = options ? !!options.noTargetGet : false;
	  var state;
	  if (typeof value == 'function') {
	    if (typeof key == 'string' && !has(value, 'name')) {
	      createNonEnumerableProperty(value, 'name', key);
	    }
	    state = enforceInternalState(value);
	    if (!state.source) {
	      state.source = TEMPLATE.join(typeof key == 'string' ? key : '');
	    }
	  }
	  if (O === global_1) {
	    if (simple) O[key] = value;
	    else setGlobal(key, value);
	    return;
	  } else if (!unsafe) {
	    delete O[key];
	  } else if (!noTargetGet && O[key]) {
	    simple = true;
	  }
	  if (simple) O[key] = value;
	  else createNonEnumerableProperty(O, key, value);
	// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
	})(Function.prototype, 'toString', function toString() {
	  return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
	});
	});

	var path = global_1;

	var aFunction = function (variable) {
	  return typeof variable == 'function' ? variable : undefined;
	};

	var getBuiltIn = function (namespace, method) {
	  return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global_1[namespace])
	    : path[namespace] && path[namespace][method] || global_1[namespace] && global_1[namespace][method];
	};

	var ceil = Math.ceil;
	var floor = Math.floor;

	// `ToInteger` abstract operation
	// https://tc39.es/ecma262/#sec-tointeger
	var toInteger = function (argument) {
	  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
	};

	var min = Math.min;

	// `ToLength` abstract operation
	// https://tc39.es/ecma262/#sec-tolength
	var toLength = function (argument) {
	  return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
	};

	var max = Math.max;
	var min$1 = Math.min;

	// Helper for a popular repeating case of the spec:
	// Let integer be ? ToInteger(index).
	// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).
	var toAbsoluteIndex = function (index, length) {
	  var integer = toInteger(index);
	  return integer < 0 ? max(integer + length, 0) : min$1(integer, length);
	};

	// `Array.prototype.{ indexOf, includes }` methods implementation
	var createMethod = function (IS_INCLUDES) {
	  return function ($this, el, fromIndex) {
	    var O = toIndexedObject($this);
	    var length = toLength(O.length);
	    var index = toAbsoluteIndex(fromIndex, length);
	    var value;
	    // Array#includes uses SameValueZero equality algorithm
	    // eslint-disable-next-line no-self-compare
	    if (IS_INCLUDES && el != el) while (length > index) {
	      value = O[index++];
	      // eslint-disable-next-line no-self-compare
	      if (value != value) return true;
	    // Array#indexOf ignores holes, Array#includes - not
	    } else for (;length > index; index++) {
	      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;
	    } return !IS_INCLUDES && -1;
	  };
	};

	var arrayIncludes = {
	  // `Array.prototype.includes` method
	  // https://tc39.es/ecma262/#sec-array.prototype.includes
	  includes: createMethod(true),
	  // `Array.prototype.indexOf` method
	  // https://tc39.es/ecma262/#sec-array.prototype.indexof
	  indexOf: createMethod(false)
	};

	var indexOf = arrayIncludes.indexOf;


	var objectKeysInternal = function (object, names) {
	  var O = toIndexedObject(object);
	  var i = 0;
	  var result = [];
	  var key;
	  for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
	  // Don't enum bug & hidden keys
	  while (names.length > i) if (has(O, key = names[i++])) {
	    ~indexOf(result, key) || result.push(key);
	  }
	  return result;
	};

	// IE8- don't enum bug keys
	var enumBugKeys = [
	  'constructor',
	  'hasOwnProperty',
	  'isPrototypeOf',
	  'propertyIsEnumerable',
	  'toLocaleString',
	  'toString',
	  'valueOf'
	];

	var hiddenKeys$1 = enumBugKeys.concat('length', 'prototype');

	// `Object.getOwnPropertyNames` method
	// https://tc39.es/ecma262/#sec-object.getownpropertynames
	var f$3 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
	  return objectKeysInternal(O, hiddenKeys$1);
	};

	var objectGetOwnPropertyNames = {
		f: f$3
	};

	var f$4 = Object.getOwnPropertySymbols;

	var objectGetOwnPropertySymbols = {
		f: f$4
	};

	// all object keys, includes non-enumerable and symbols
	var ownKeys = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
	  var keys = objectGetOwnPropertyNames.f(anObject(it));
	  var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
	  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
	};

	var copyConstructorProperties = function (target, source) {
	  var keys = ownKeys(source);
	  var defineProperty = objectDefineProperty.f;
	  var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
	  for (var i = 0; i < keys.length; i++) {
	    var key = keys[i];
	    if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
	  }
	};

	var replacement = /#|\.prototype\./;

	var isForced = function (feature, detection) {
	  var value = data[normalize(feature)];
	  return value == POLYFILL ? true
	    : value == NATIVE ? false
	    : typeof detection == 'function' ? fails(detection)
	    : !!detection;
	};

	var normalize = isForced.normalize = function (string) {
	  return String(string).replace(replacement, '.').toLowerCase();
	};

	var data = isForced.data = {};
	var NATIVE = isForced.NATIVE = 'N';
	var POLYFILL = isForced.POLYFILL = 'P';

	var isForced_1 = isForced;

	var getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;






	/*
	  options.target      - name of the target object
	  options.global      - target is the global object
	  options.stat        - export as static methods of target
	  options.proto       - export as prototype methods of target
	  options.real        - real prototype method for the `pure` version
	  options.forced      - export even if the native feature is available
	  options.bind        - bind methods to the target, required for the `pure` version
	  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
	  options.unsafe      - use the simple assignment of property instead of delete + defineProperty
	  options.sham        - add a flag to not completely full polyfills
	  options.enumerable  - export as enumerable property
	  options.noTargetGet - prevent calling a getter on target
	*/
	var _export = function (options, source) {
	  var TARGET = options.target;
	  var GLOBAL = options.global;
	  var STATIC = options.stat;
	  var FORCED, target, key, targetProperty, sourceProperty, descriptor;
	  if (GLOBAL) {
	    target = global_1;
	  } else if (STATIC) {
	    target = global_1[TARGET] || setGlobal(TARGET, {});
	  } else {
	    target = (global_1[TARGET] || {}).prototype;
	  }
	  if (target) for (key in source) {
	    sourceProperty = source[key];
	    if (options.noTargetGet) {
	      descriptor = getOwnPropertyDescriptor$1(target, key);
	      targetProperty = descriptor && descriptor.value;
	    } else targetProperty = target[key];
	    FORCED = isForced_1(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
	    // contained in target
	    if (!FORCED && targetProperty !== undefined) {
	      if (typeof sourceProperty === typeof targetProperty) continue;
	      copyConstructorProperties(sourceProperty, targetProperty);
	    }
	    // add a flag to not completely full polyfills
	    if (options.sham || (targetProperty && targetProperty.sham)) {
	      createNonEnumerableProperty(sourceProperty, 'sham', true);
	    }
	    // extend global
	    redefine(target, key, sourceProperty, options);
	  }
	};

	var aFunction$1 = function (it) {
	  if (typeof it != 'function') {
	    throw TypeError(String(it) + ' is not a function');
	  } return it;
	};

	// optional / simple context binding
	var functionBindContext = function (fn, that, length) {
	  aFunction$1(fn);
	  if (that === undefined) return fn;
	  switch (length) {
	    case 0: return function () {
	      return fn.call(that);
	    };
	    case 1: return function (a) {
	      return fn.call(that, a);
	    };
	    case 2: return function (a, b) {
	      return fn.call(that, a, b);
	    };
	    case 3: return function (a, b, c) {
	      return fn.call(that, a, b, c);
	    };
	  }
	  return function (/* ...args */) {
	    return fn.apply(that, arguments);
	  };
	};

	// `ToObject` abstract operation
	// https://tc39.es/ecma262/#sec-toobject
	var toObject = function (argument) {
	  return Object(requireObjectCoercible(argument));
	};

	// `IsArray` abstract operation
	// https://tc39.es/ecma262/#sec-isarray
	var isArray = Array.isArray || function isArray(arg) {
	  return classofRaw(arg) == 'Array';
	};

	var nativeSymbol = !!Object.getOwnPropertySymbols && !fails(function () {
	  // Chrome 38 Symbol has incorrect toString conversion
	  // eslint-disable-next-line no-undef
	  return !String(Symbol());
	});

	var useSymbolAsUid = nativeSymbol
	  // eslint-disable-next-line no-undef
	  && !Symbol.sham
	  // eslint-disable-next-line no-undef
	  && typeof Symbol.iterator == 'symbol';

	var WellKnownSymbolsStore = shared('wks');
	var Symbol$1 = global_1.Symbol;
	var createWellKnownSymbol = useSymbolAsUid ? Symbol$1 : Symbol$1 && Symbol$1.withoutSetter || uid;

	var wellKnownSymbol = function (name) {
	  if (!has(WellKnownSymbolsStore, name)) {
	    if (nativeSymbol && has(Symbol$1, name)) WellKnownSymbolsStore[name] = Symbol$1[name];
	    else WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
	  } return WellKnownSymbolsStore[name];
	};

	var SPECIES = wellKnownSymbol('species');

	// `ArraySpeciesCreate` abstract operation
	// https://tc39.es/ecma262/#sec-arrayspeciescreate
	var arraySpeciesCreate = function (originalArray, length) {
	  var C;
	  if (isArray(originalArray)) {
	    C = originalArray.constructor;
	    // cross-realm fallback
	    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
	    else if (isObject(C)) {
	      C = C[SPECIES];
	      if (C === null) C = undefined;
	    }
	  } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
	};

	var push = [].push;

	// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex, filterOut }` methods implementation
	var createMethod$1 = function (TYPE) {
	  var IS_MAP = TYPE == 1;
	  var IS_FILTER = TYPE == 2;
	  var IS_SOME = TYPE == 3;
	  var IS_EVERY = TYPE == 4;
	  var IS_FIND_INDEX = TYPE == 6;
	  var IS_FILTER_OUT = TYPE == 7;
	  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
	  return function ($this, callbackfn, that, specificCreate) {
	    var O = toObject($this);
	    var self = indexedObject(O);
	    var boundFunction = functionBindContext(callbackfn, that, 3);
	    var length = toLength(self.length);
	    var index = 0;
	    var create = specificCreate || arraySpeciesCreate;
	    var target = IS_MAP ? create($this, length) : IS_FILTER || IS_FILTER_OUT ? create($this, 0) : undefined;
	    var value, result;
	    for (;length > index; index++) if (NO_HOLES || index in self) {
	      value = self[index];
	      result = boundFunction(value, index, O);
	      if (TYPE) {
	        if (IS_MAP) target[index] = result; // map
	        else if (result) switch (TYPE) {
	          case 3: return true;              // some
	          case 5: return value;             // find
	          case 6: return index;             // findIndex
	          case 2: push.call(target, value); // filter
	        } else switch (TYPE) {
	          case 4: return false;             // every
	          case 7: push.call(target, value); // filterOut
	        }
	      }
	    }
	    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
	  };
	};

	var arrayIteration = {
	  // `Array.prototype.forEach` method
	  // https://tc39.es/ecma262/#sec-array.prototype.foreach
	  forEach: createMethod$1(0),
	  // `Array.prototype.map` method
	  // https://tc39.es/ecma262/#sec-array.prototype.map
	  map: createMethod$1(1),
	  // `Array.prototype.filter` method
	  // https://tc39.es/ecma262/#sec-array.prototype.filter
	  filter: createMethod$1(2),
	  // `Array.prototype.some` method
	  // https://tc39.es/ecma262/#sec-array.prototype.some
	  some: createMethod$1(3),
	  // `Array.prototype.every` method
	  // https://tc39.es/ecma262/#sec-array.prototype.every
	  every: createMethod$1(4),
	  // `Array.prototype.find` method
	  // https://tc39.es/ecma262/#sec-array.prototype.find
	  find: createMethod$1(5),
	  // `Array.prototype.findIndex` method
	  // https://tc39.es/ecma262/#sec-array.prototype.findIndex
	  findIndex: createMethod$1(6),
	  // `Array.prototype.filterOut` method
	  // https://github.com/tc39/proposal-array-filtering
	  filterOut: createMethod$1(7)
	};

	var engineUserAgent = getBuiltIn('navigator', 'userAgent') || '';

	var process = global_1.process;
	var versions = process && process.versions;
	var v8 = versions && versions.v8;
	var match, version;

	if (v8) {
	  match = v8.split('.');
	  version = match[0] + match[1];
	} else if (engineUserAgent) {
	  match = engineUserAgent.match(/Edge\/(\d+)/);
	  if (!match || match[1] >= 74) {
	    match = engineUserAgent.match(/Chrome\/(\d+)/);
	    if (match) version = match[1];
	  }
	}

	var engineV8Version = version && +version;

	var SPECIES$1 = wellKnownSymbol('species');

	var arrayMethodHasSpeciesSupport = function (METHOD_NAME) {
	  // We can't use this feature detection in V8 since it causes
	  // deoptimization and serious performance degradation
	  // https://github.com/zloirock/core-js/issues/677
	  return engineV8Version >= 51 || !fails(function () {
	    var array = [];
	    var constructor = array.constructor = {};
	    constructor[SPECIES$1] = function () {
	      return { foo: 1 };
	    };
	    return array[METHOD_NAME](Boolean).foo !== 1;
	  });
	};

	var defineProperty = Object.defineProperty;
	var cache = {};

	var thrower = function (it) { throw it; };

	var arrayMethodUsesToLength = function (METHOD_NAME, options) {
	  if (has(cache, METHOD_NAME)) return cache[METHOD_NAME];
	  if (!options) options = {};
	  var method = [][METHOD_NAME];
	  var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;
	  var argument0 = has(options, 0) ? options[0] : thrower;
	  var argument1 = has(options, 1) ? options[1] : undefined;

	  return cache[METHOD_NAME] = !!method && !fails(function () {
	    if (ACCESSORS && !descriptors) return true;
	    var O = { length: -1 };

	    if (ACCESSORS) defineProperty(O, 1, { enumerable: true, get: thrower });
	    else O[1] = 1;

	    method.call(O, argument0, argument1);
	  });
	};

	var $filter = arrayIteration.filter;



	var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');
	// Edge 14- issue
	var USES_TO_LENGTH = arrayMethodUsesToLength('filter');

	// `Array.prototype.filter` method
	// https://tc39.es/ecma262/#sec-array.prototype.filter
	// with adding support of @@species
	_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
	  filter: function filter(callbackfn /* , thisArg */) {
	    return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var createProperty = function (object, key, value) {
	  var propertyKey = toPrimitive(key);
	  if (propertyKey in object) objectDefineProperty.f(object, propertyKey, createPropertyDescriptor(0, value));
	  else object[propertyKey] = value;
	};

	var HAS_SPECIES_SUPPORT$1 = arrayMethodHasSpeciesSupport('splice');
	var USES_TO_LENGTH$1 = arrayMethodUsesToLength('splice', { ACCESSORS: true, 0: 0, 1: 2 });

	var max$1 = Math.max;
	var min$2 = Math.min;
	var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
	var MAXIMUM_ALLOWED_LENGTH_EXCEEDED = 'Maximum allowed length exceeded';

	// `Array.prototype.splice` method
	// https://tc39.es/ecma262/#sec-array.prototype.splice
	// with adding support of @@species
	_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT$1 || !USES_TO_LENGTH$1 }, {
	  splice: function splice(start, deleteCount /* , ...items */) {
	    var O = toObject(this);
	    var len = toLength(O.length);
	    var actualStart = toAbsoluteIndex(start, len);
	    var argumentsLength = arguments.length;
	    var insertCount, actualDeleteCount, A, k, from, to;
	    if (argumentsLength === 0) {
	      insertCount = actualDeleteCount = 0;
	    } else if (argumentsLength === 1) {
	      insertCount = 0;
	      actualDeleteCount = len - actualStart;
	    } else {
	      insertCount = argumentsLength - 2;
	      actualDeleteCount = min$2(max$1(toInteger(deleteCount), 0), len - actualStart);
	    }
	    if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER) {
	      throw TypeError(MAXIMUM_ALLOWED_LENGTH_EXCEEDED);
	    }
	    A = arraySpeciesCreate(O, actualDeleteCount);
	    for (k = 0; k < actualDeleteCount; k++) {
	      from = actualStart + k;
	      if (from in O) createProperty(A, k, O[from]);
	    }
	    A.length = actualDeleteCount;
	    if (insertCount < actualDeleteCount) {
	      for (k = actualStart; k < len - actualDeleteCount; k++) {
	        from = k + actualDeleteCount;
	        to = k + insertCount;
	        if (from in O) O[to] = O[from];
	        else delete O[to];
	      }
	      for (k = len; k > len - actualDeleteCount + insertCount; k--) delete O[k - 1];
	    } else if (insertCount > actualDeleteCount) {
	      for (k = len - actualDeleteCount; k > actualStart; k--) {
	        from = k + actualDeleteCount - 1;
	        to = k + insertCount - 1;
	        if (from in O) O[to] = O[from];
	        else delete O[to];
	      }
	    }
	    for (k = 0; k < insertCount; k++) {
	      O[k + actualStart] = arguments[k + 2];
	    }
	    O.length = len - actualDeleteCount + insertCount;
	    return A;
	  }
	});

	// `Object.keys` method
	// https://tc39.es/ecma262/#sec-object.keys
	var objectKeys = Object.keys || function keys(O) {
	  return objectKeysInternal(O, enumBugKeys);
	};

	var nativeAssign = Object.assign;
	var defineProperty$1 = Object.defineProperty;

	// `Object.assign` method
	// https://tc39.es/ecma262/#sec-object.assign
	var objectAssign = !nativeAssign || fails(function () {
	  // should have correct order of operations (Edge bug)
	  if (descriptors && nativeAssign({ b: 1 }, nativeAssign(defineProperty$1({}, 'a', {
	    enumerable: true,
	    get: function () {
	      defineProperty$1(this, 'b', {
	        value: 3,
	        enumerable: false
	      });
	    }
	  }), { b: 2 })).b !== 1) return true;
	  // should work with symbols and should have deterministic property order (V8 bug)
	  var A = {};
	  var B = {};
	  // eslint-disable-next-line no-undef
	  var symbol = Symbol();
	  var alphabet = 'abcdefghijklmnopqrst';
	  A[symbol] = 7;
	  alphabet.split('').forEach(function (chr) { B[chr] = chr; });
	  return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;
	}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
	  var T = toObject(target);
	  var argumentsLength = arguments.length;
	  var index = 1;
	  var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
	  var propertyIsEnumerable = objectPropertyIsEnumerable.f;
	  while (argumentsLength > index) {
	    var S = indexedObject(arguments[index++]);
	    var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
	    var length = keys.length;
	    var j = 0;
	    var key;
	    while (length > j) {
	      key = keys[j++];
	      if (!descriptors || propertyIsEnumerable.call(S, key)) T[key] = S[key];
	    }
	  } return T;
	} : nativeAssign;

	// `Object.assign` method
	// https://tc39.es/ecma262/#sec-object.assign
	_export({ target: 'Object', stat: true, forced: Object.assign !== objectAssign }, {
	  assign: objectAssign
	});

	var FAILS_ON_PRIMITIVES = fails(function () { objectKeys(1); });

	// `Object.keys` method
	// https://tc39.es/ecma262/#sec-object.keys
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
	  keys: function keys(it) {
	    return objectKeys(toObject(it));
	  }
	});

	// `RegExp.prototype.flags` getter implementation
	// https://tc39.es/ecma262/#sec-get-regexp.prototype.flags
	var regexpFlags = function () {
	  var that = anObject(this);
	  var result = '';
	  if (that.global) result += 'g';
	  if (that.ignoreCase) result += 'i';
	  if (that.multiline) result += 'm';
	  if (that.dotAll) result += 's';
	  if (that.unicode) result += 'u';
	  if (that.sticky) result += 'y';
	  return result;
	};

	// babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError,
	// so we use an intermediate function.
	function RE(s, f) {
	  return RegExp(s, f);
	}

	var UNSUPPORTED_Y = fails(function () {
	  // babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError
	  var re = RE('a', 'y');
	  re.lastIndex = 2;
	  return re.exec('abcd') != null;
	});

	var BROKEN_CARET = fails(function () {
	  // https://bugzilla.mozilla.org/show_bug.cgi?id=773687
	  var re = RE('^r', 'gy');
	  re.lastIndex = 2;
	  return re.exec('str') != null;
	});

	var regexpStickyHelpers = {
		UNSUPPORTED_Y: UNSUPPORTED_Y,
		BROKEN_CARET: BROKEN_CARET
	};

	var nativeExec = RegExp.prototype.exec;
	// This always refers to the native implementation, because the
	// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
	// which loads this file before patching the method.
	var nativeReplace = String.prototype.replace;

	var patchedExec = nativeExec;

	var UPDATES_LAST_INDEX_WRONG = (function () {
	  var re1 = /a/;
	  var re2 = /b*/g;
	  nativeExec.call(re1, 'a');
	  nativeExec.call(re2, 'a');
	  return re1.lastIndex !== 0 || re2.lastIndex !== 0;
	})();

	var UNSUPPORTED_Y$1 = regexpStickyHelpers.UNSUPPORTED_Y || regexpStickyHelpers.BROKEN_CARET;

	// nonparticipating capturing group, copied from es5-shim's String#split patch.
	var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;

	var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED || UNSUPPORTED_Y$1;

	if (PATCH) {
	  patchedExec = function exec(str) {
	    var re = this;
	    var lastIndex, reCopy, match, i;
	    var sticky = UNSUPPORTED_Y$1 && re.sticky;
	    var flags = regexpFlags.call(re);
	    var source = re.source;
	    var charsAdded = 0;
	    var strCopy = str;

	    if (sticky) {
	      flags = flags.replace('y', '');
	      if (flags.indexOf('g') === -1) {
	        flags += 'g';
	      }

	      strCopy = String(str).slice(re.lastIndex);
	      // Support anchored sticky behavior.
	      if (re.lastIndex > 0 && (!re.multiline || re.multiline && str[re.lastIndex - 1] !== '\n')) {
	        source = '(?: ' + source + ')';
	        strCopy = ' ' + strCopy;
	        charsAdded++;
	      }
	      // ^(? + rx + ) is needed, in combination with some str slicing, to
	      // simulate the 'y' flag.
	      reCopy = new RegExp('^(?:' + source + ')', flags);
	    }

	    if (NPCG_INCLUDED) {
	      reCopy = new RegExp('^' + source + '$(?!\\s)', flags);
	    }
	    if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;

	    match = nativeExec.call(sticky ? reCopy : re, strCopy);

	    if (sticky) {
	      if (match) {
	        match.input = match.input.slice(charsAdded);
	        match[0] = match[0].slice(charsAdded);
	        match.index = re.lastIndex;
	        re.lastIndex += match[0].length;
	      } else re.lastIndex = 0;
	    } else if (UPDATES_LAST_INDEX_WRONG && match) {
	      re.lastIndex = re.global ? match.index + match[0].length : lastIndex;
	    }
	    if (NPCG_INCLUDED && match && match.length > 1) {
	      // Fix browsers whose `exec` methods don't consistently return `undefined`
	      // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
	      nativeReplace.call(match[0], reCopy, function () {
	        for (i = 1; i < arguments.length - 2; i++) {
	          if (arguments[i] === undefined) match[i] = undefined;
	        }
	      });
	    }

	    return match;
	  };
	}

	var regexpExec = patchedExec;

	// `RegExp.prototype.exec` method
	// https://tc39.es/ecma262/#sec-regexp.prototype.exec
	_export({ target: 'RegExp', proto: true, forced: /./.exec !== regexpExec }, {
	  exec: regexpExec
	});

	// TODO: Remove from `core-js@4` since it's moved to entry points







	var SPECIES$2 = wellKnownSymbol('species');

	var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
	  // #replace needs built-in support for named groups.
	  // #match works fine because it just return the exec results, even if it has
	  // a "grops" property.
	  var re = /./;
	  re.exec = function () {
	    var result = [];
	    result.groups = { a: '7' };
	    return result;
	  };
	  return ''.replace(re, '$<a>') !== '7';
	});

	// IE <= 11 replaces $0 with the whole match, as if it was $&
	// https://stackoverflow.com/questions/6024666/getting-ie-to-replace-a-regex-with-the-literal-string-0
	var REPLACE_KEEPS_$0 = (function () {
	  return 'a'.replace(/./, '$0') === '$0';
	})();

	var REPLACE = wellKnownSymbol('replace');
	// Safari <= 13.0.3(?) substitutes nth capture where n>m with an empty string
	var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = (function () {
	  if (/./[REPLACE]) {
	    return /./[REPLACE]('a', '$0') === '';
	  }
	  return false;
	})();

	// Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
	// Weex JS has frozen built-in prototypes, so use try / catch wrapper
	var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = !fails(function () {
	  var re = /(?:)/;
	  var originalExec = re.exec;
	  re.exec = function () { return originalExec.apply(this, arguments); };
	  var result = 'ab'.split(re);
	  return result.length !== 2 || result[0] !== 'a' || result[1] !== 'b';
	});

	var fixRegexpWellKnownSymbolLogic = function (KEY, length, exec, sham) {
	  var SYMBOL = wellKnownSymbol(KEY);

	  var DELEGATES_TO_SYMBOL = !fails(function () {
	    // String methods call symbol-named RegEp methods
	    var O = {};
	    O[SYMBOL] = function () { return 7; };
	    return ''[KEY](O) != 7;
	  });

	  var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL && !fails(function () {
	    // Symbol-named RegExp methods call .exec
	    var execCalled = false;
	    var re = /a/;

	    if (KEY === 'split') {
	      // We can't use real regex here since it causes deoptimization
	      // and serious performance degradation in V8
	      // https://github.com/zloirock/core-js/issues/306
	      re = {};
	      // RegExp[@@split] doesn't call the regex's exec method, but first creates
	      // a new one. We need to return the patched regex when creating the new one.
	      re.constructor = {};
	      re.constructor[SPECIES$2] = function () { return re; };
	      re.flags = '';
	      re[SYMBOL] = /./[SYMBOL];
	    }

	    re.exec = function () { execCalled = true; return null; };

	    re[SYMBOL]('');
	    return !execCalled;
	  });

	  if (
	    !DELEGATES_TO_SYMBOL ||
	    !DELEGATES_TO_EXEC ||
	    (KEY === 'replace' && !(
	      REPLACE_SUPPORTS_NAMED_GROUPS &&
	      REPLACE_KEEPS_$0 &&
	      !REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE
	    )) ||
	    (KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC)
	  ) {
	    var nativeRegExpMethod = /./[SYMBOL];
	    var methods = exec(SYMBOL, ''[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
	      if (regexp.exec === regexpExec) {
	        if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
	          // The native String method already delegates to @@method (this
	          // polyfilled function), leasing to infinite recursion.
	          // We avoid it by directly calling the native @@method method.
	          return { done: true, value: nativeRegExpMethod.call(regexp, str, arg2) };
	        }
	        return { done: true, value: nativeMethod.call(str, regexp, arg2) };
	      }
	      return { done: false };
	    }, {
	      REPLACE_KEEPS_$0: REPLACE_KEEPS_$0,
	      REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE: REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE
	    });
	    var stringMethod = methods[0];
	    var regexMethod = methods[1];

	    redefine(String.prototype, KEY, stringMethod);
	    redefine(RegExp.prototype, SYMBOL, length == 2
	      // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
	      // 21.2.5.11 RegExp.prototype[@@split](string, limit)
	      ? function (string, arg) { return regexMethod.call(string, this, arg); }
	      // 21.2.5.6 RegExp.prototype[@@match](string)
	      // 21.2.5.9 RegExp.prototype[@@search](string)
	      : function (string) { return regexMethod.call(string, this); }
	    );
	  }

	  if (sham) createNonEnumerableProperty(RegExp.prototype[SYMBOL], 'sham', true);
	};

	// `SameValue` abstract operation
	// https://tc39.es/ecma262/#sec-samevalue
	var sameValue = Object.is || function is(x, y) {
	  // eslint-disable-next-line no-self-compare
	  return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
	};

	// `RegExpExec` abstract operation
	// https://tc39.es/ecma262/#sec-regexpexec
	var regexpExecAbstract = function (R, S) {
	  var exec = R.exec;
	  if (typeof exec === 'function') {
	    var result = exec.call(R, S);
	    if (typeof result !== 'object') {
	      throw TypeError('RegExp exec method returned something other than an Object or null');
	    }
	    return result;
	  }

	  if (classofRaw(R) !== 'RegExp') {
	    throw TypeError('RegExp#exec called on incompatible receiver');
	  }

	  return regexpExec.call(R, S);
	};

	// @@search logic
	fixRegexpWellKnownSymbolLogic('search', 1, function (SEARCH, nativeSearch, maybeCallNative) {
	  return [
	    // `String.prototype.search` method
	    // https://tc39.es/ecma262/#sec-string.prototype.search
	    function search(regexp) {
	      var O = requireObjectCoercible(this);
	      var searcher = regexp == undefined ? undefined : regexp[SEARCH];
	      return searcher !== undefined ? searcher.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
	    },
	    // `RegExp.prototype[@@search]` method
	    // https://tc39.es/ecma262/#sec-regexp.prototype-@@search
	    function (regexp) {
	      var res = maybeCallNative(nativeSearch, regexp, this);
	      if (res.done) return res.value;

	      var rx = anObject(regexp);
	      var S = String(this);

	      var previousLastIndex = rx.lastIndex;
	      if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
	      var result = regexpExecAbstract(rx, S);
	      if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
	      return result === null ? -1 : result.index;
	    }
	  ];
	});

	// iterable DOM collections
	// flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods
	var domIterables = {
	  CSSRuleList: 0,
	  CSSStyleDeclaration: 0,
	  CSSValueList: 0,
	  ClientRectList: 0,
	  DOMRectList: 0,
	  DOMStringList: 0,
	  DOMTokenList: 1,
	  DataTransferItemList: 0,
	  FileList: 0,
	  HTMLAllCollection: 0,
	  HTMLCollection: 0,
	  HTMLFormElement: 0,
	  HTMLSelectElement: 0,
	  MediaList: 0,
	  MimeTypeArray: 0,
	  NamedNodeMap: 0,
	  NodeList: 1,
	  PaintRequestList: 0,
	  Plugin: 0,
	  PluginArray: 0,
	  SVGLengthList: 0,
	  SVGNumberList: 0,
	  SVGPathSegList: 0,
	  SVGPointList: 0,
	  SVGStringList: 0,
	  SVGTransformList: 0,
	  SourceBufferList: 0,
	  StyleSheetList: 0,
	  TextTrackCueList: 0,
	  TextTrackList: 0,
	  TouchList: 0
	};

	var arrayMethodIsStrict = function (METHOD_NAME, argument) {
	  var method = [][METHOD_NAME];
	  return !!method && fails(function () {
	    // eslint-disable-next-line no-useless-call,no-throw-literal
	    method.call(null, argument || function () { throw 1; }, 1);
	  });
	};

	var $forEach = arrayIteration.forEach;



	var STRICT_METHOD = arrayMethodIsStrict('forEach');
	var USES_TO_LENGTH$2 = arrayMethodUsesToLength('forEach');

	// `Array.prototype.forEach` method implementation
	// https://tc39.es/ecma262/#sec-array.prototype.foreach
	var arrayForEach = (!STRICT_METHOD || !USES_TO_LENGTH$2) ? function forEach(callbackfn /* , thisArg */) {
	  return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	} : [].forEach;

	for (var COLLECTION_NAME in domIterables) {
	  var Collection = global_1[COLLECTION_NAME];
	  var CollectionPrototype = Collection && Collection.prototype;
	  // some Chrome versions have non-configurable methods on DOMTokenList
	  if (CollectionPrototype && CollectionPrototype.forEach !== arrayForEach) try {
	    createNonEnumerableProperty(CollectionPrototype, 'forEach', arrayForEach);
	  } catch (error) {
	    CollectionPrototype.forEach = arrayForEach;
	  }
	}

	var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
	var MAX_SAFE_INTEGER$1 = 0x1FFFFFFFFFFFFF;
	var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';

	// We can't use this feature detection in V8 since it causes
	// deoptimization and serious performance degradation
	// https://github.com/zloirock/core-js/issues/679
	var IS_CONCAT_SPREADABLE_SUPPORT = engineV8Version >= 51 || !fails(function () {
	  var array = [];
	  array[IS_CONCAT_SPREADABLE] = false;
	  return array.concat()[0] !== array;
	});

	var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');

	var isConcatSpreadable = function (O) {
	  if (!isObject(O)) return false;
	  var spreadable = O[IS_CONCAT_SPREADABLE];
	  return spreadable !== undefined ? !!spreadable : isArray(O);
	};

	var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;

	// `Array.prototype.concat` method
	// https://tc39.es/ecma262/#sec-array.prototype.concat
	// with adding support of @@isConcatSpreadable and @@species
	_export({ target: 'Array', proto: true, forced: FORCED }, {
	  concat: function concat(arg) { // eslint-disable-line no-unused-vars
	    var O = toObject(this);
	    var A = arraySpeciesCreate(O, 0);
	    var n = 0;
	    var i, k, length, len, E;
	    for (i = -1, length = arguments.length; i < length; i++) {
	      E = i === -1 ? O : arguments[i];
	      if (isConcatSpreadable(E)) {
	        len = toLength(E.length);
	        if (n + len > MAX_SAFE_INTEGER$1) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
	        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);
	      } else {
	        if (n >= MAX_SAFE_INTEGER$1) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
	        createProperty(A, n++, E);
	      }
	    }
	    A.length = n;
	    return A;
	  }
	});

	var global$1 = typeof global$2 !== "undefined" ? global$2 : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};

	var global$2 = typeof global$1 !== "undefined" ? global$1 : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};

	// based off https://github.com/defunctzombie/node-process/blob/master/browser.js

	function defaultSetTimout() {
	  throw new Error('setTimeout has not been defined');
	}

	function defaultClearTimeout() {
	  throw new Error('clearTimeout has not been defined');
	}

	var cachedSetTimeout = defaultSetTimout;
	var cachedClearTimeout = defaultClearTimeout;

	if (typeof global$2.setTimeout === 'function') {
	  cachedSetTimeout = setTimeout;
	}

	if (typeof global$2.clearTimeout === 'function') {
	  cachedClearTimeout = clearTimeout;
	}

	function runTimeout(fun) {
	  if (cachedSetTimeout === setTimeout) {
	    //normal enviroments in sane situations
	    return setTimeout(fun, 0);
	  } // if setTimeout wasn't available but was latter defined


	  if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
	    cachedSetTimeout = setTimeout;
	    return setTimeout(fun, 0);
	  }

	  try {
	    // when when somebody has screwed with setTimeout but no I.E. maddness
	    return cachedSetTimeout(fun, 0);
	  } catch (e) {
	    try {
	      // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
	      return cachedSetTimeout.call(null, fun, 0);
	    } catch (e) {
	      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
	      return cachedSetTimeout.call(this, fun, 0);
	    }
	  }
	}

	function runClearTimeout(marker) {
	  if (cachedClearTimeout === clearTimeout) {
	    //normal enviroments in sane situations
	    return clearTimeout(marker);
	  } // if clearTimeout wasn't available but was latter defined


	  if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
	    cachedClearTimeout = clearTimeout;
	    return clearTimeout(marker);
	  }

	  try {
	    // when when somebody has screwed with setTimeout but no I.E. maddness
	    return cachedClearTimeout(marker);
	  } catch (e) {
	    try {
	      // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
	      return cachedClearTimeout.call(null, marker);
	    } catch (e) {
	      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
	      // Some versions of I.E. have different rules for clearTimeout vs setTimeout
	      return cachedClearTimeout.call(this, marker);
	    }
	  }
	}

	var queue = [];
	var draining = false;
	var currentQueue;
	var queueIndex = -1;

	function cleanUpNextTick() {
	  if (!draining || !currentQueue) {
	    return;
	  }

	  draining = false;

	  if (currentQueue.length) {
	    queue = currentQueue.concat(queue);
	  } else {
	    queueIndex = -1;
	  }

	  if (queue.length) {
	    drainQueue();
	  }
	}

	function drainQueue() {
	  if (draining) {
	    return;
	  }

	  var timeout = runTimeout(cleanUpNextTick);
	  draining = true;
	  var len = queue.length;

	  while (len) {
	    currentQueue = queue;
	    queue = [];

	    while (++queueIndex < len) {
	      if (currentQueue) {
	        currentQueue[queueIndex].run();
	      }
	    }

	    queueIndex = -1;
	    len = queue.length;
	  }

	  currentQueue = null;
	  draining = false;
	  runClearTimeout(timeout);
	}

	function nextTick(fun) {
	  var args = new Array(arguments.length - 1);

	  if (arguments.length > 1) {
	    for (var i = 1; i < arguments.length; i++) {
	      args[i - 1] = arguments[i];
	    }
	  }

	  queue.push(new Item(fun, args));

	  if (queue.length === 1 && !draining) {
	    runTimeout(drainQueue);
	  }
	} // v8 likes predictible objects

	function Item(fun, array) {
	  this.fun = fun;
	  this.array = array;
	}

	Item.prototype.run = function () {
	  this.fun.apply(null, this.array);
	};

	var title = 'browser';
	var platform = 'browser';
	var browser = true;
	var env = {};
	var argv = [];
	var version$1 = ''; // empty string to avoid regexp issues

	var versions$1 = {};
	var release = {};
	var config = {};

	function noop() {}

	var on = noop;
	var addListener = noop;
	var once = noop;
	var off = noop;
	var removeListener = noop;
	var removeAllListeners = noop;
	var emit = noop;
	function binding(name) {
	  throw new Error('process.binding is not supported');
	}
	function cwd() {
	  return '/';
	}
	function chdir(dir) {
	  throw new Error('process.chdir is not supported');
	}
	function umask() {
	  return 0;
	} // from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js

	var performance = global$2.performance || {};

	var performanceNow = performance.now || performance.mozNow || performance.msNow || performance.oNow || performance.webkitNow || function () {
	  return new Date().getTime();
	}; // generate timestamp or delta
	// see http://nodejs.org/api/process.html#process_process_hrtime


	function hrtime(previousTimestamp) {
	  var clocktime = performanceNow.call(performance) * 1e-3;
	  var seconds = Math.floor(clocktime);
	  var nanoseconds = Math.floor(clocktime % 1 * 1e9);

	  if (previousTimestamp) {
	    seconds = seconds - previousTimestamp[0];
	    nanoseconds = nanoseconds - previousTimestamp[1];

	    if (nanoseconds < 0) {
	      seconds--;
	      nanoseconds += 1e9;
	    }
	  }

	  return [seconds, nanoseconds];
	}
	var startTime = new Date();
	function uptime() {
	  var currentTime = new Date();
	  var dif = currentTime - startTime;
	  return dif / 1000;
	}
	var process$1 = {
	  nextTick: nextTick,
	  title: title,
	  browser: browser,
	  env: env,
	  argv: argv,
	  version: version$1,
	  versions: versions$1,
	  on: on,
	  addListener: addListener,
	  once: once,
	  off: off,
	  removeListener: removeListener,
	  removeAllListeners: removeAllListeners,
	  emit: emit,
	  binding: binding,
	  cwd: cwd,
	  chdir: chdir,
	  umask: umask,
	  hrtime: hrtime,
	  platform: platform,
	  release: release,
	  config: config,
	  uptime: uptime
	};

	var TO_STRING_TAG = wellKnownSymbol('toStringTag');
	var test = {};

	test[TO_STRING_TAG] = 'z';

	var toStringTagSupport = String(test) === '[object z]';

	var TO_STRING_TAG$1 = wellKnownSymbol('toStringTag');
	// ES3 wrong here
	var CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';

	// fallback for IE11 Script Access Denied error
	var tryGet = function (it, key) {
	  try {
	    return it[key];
	  } catch (error) { /* empty */ }
	};

	// getting tag from ES6+ `Object.prototype.toString`
	var classof = toStringTagSupport ? classofRaw : function (it) {
	  var O, tag, result;
	  return it === undefined ? 'Undefined' : it === null ? 'Null'
	    // @@toStringTag case
	    : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG$1)) == 'string' ? tag
	    // builtinTag case
	    : CORRECT_ARGUMENTS ? classofRaw(O)
	    // ES3 arguments fallback
	    : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
	};

	// `Object.prototype.toString` method implementation
	// https://tc39.es/ecma262/#sec-object.prototype.tostring
	var objectToString = toStringTagSupport ? {}.toString : function toString() {
	  return '[object ' + classof(this) + ']';
	};

	// `Object.prototype.toString` method
	// https://tc39.es/ecma262/#sec-object.prototype.tostring
	if (!toStringTagSupport) {
	  redefine(Object.prototype, 'toString', objectToString, { unsafe: true });
	}

	var TO_STRING = 'toString';
	var RegExpPrototype = RegExp.prototype;
	var nativeToString = RegExpPrototype[TO_STRING];

	var NOT_GENERIC = fails(function () { return nativeToString.call({ source: 'a', flags: 'b' }) != '/a/b'; });
	// FF44- RegExp#toString has a wrong name
	var INCORRECT_NAME = nativeToString.name != TO_STRING;

	// `RegExp.prototype.toString` method
	// https://tc39.es/ecma262/#sec-regexp.prototype.tostring
	if (NOT_GENERIC || INCORRECT_NAME) {
	  redefine(RegExp.prototype, TO_STRING, function toString() {
	    var R = anObject(this);
	    var p = String(R.source);
	    var rf = R.flags;
	    var f = String(rf === undefined && R instanceof RegExp && !('flags' in RegExpPrototype) ? regexpFlags.call(R) : rf);
	    return '/' + p + '/' + f;
	  }, { unsafe: true });
	}

	var defineProperty$2 = objectDefineProperty.f;

	var FunctionPrototype = Function.prototype;
	var FunctionPrototypeToString = FunctionPrototype.toString;
	var nameRE = /^\s*function ([^ (]*)/;
	var NAME = 'name';

	// Function instances `.name` property
	// https://tc39.es/ecma262/#sec-function-instances-name
	if (descriptors && !(NAME in FunctionPrototype)) {
	  defineProperty$2(FunctionPrototype, NAME, {
	    configurable: true,
	    get: function () {
	      try {
	        return FunctionPrototypeToString.call(this).match(nameRE)[1];
	      } catch (error) {
	        return '';
	      }
	    }
	  });
	}

	var correctPrototypeGetter = !fails(function () {
	  function F() { /* empty */ }
	  F.prototype.constructor = null;
	  return Object.getPrototypeOf(new F()) !== F.prototype;
	});

	var IE_PROTO = sharedKey('IE_PROTO');
	var ObjectPrototype = Object.prototype;

	// `Object.getPrototypeOf` method
	// https://tc39.es/ecma262/#sec-object.getprototypeof
	var objectGetPrototypeOf = correctPrototypeGetter ? Object.getPrototypeOf : function (O) {
	  O = toObject(O);
	  if (has(O, IE_PROTO)) return O[IE_PROTO];
	  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
	    return O.constructor.prototype;
	  } return O instanceof Object ? ObjectPrototype : null;
	};

	var FAILS_ON_PRIMITIVES$1 = fails(function () { objectGetPrototypeOf(1); });

	// `Object.getPrototypeOf` method
	// https://tc39.es/ecma262/#sec-object.getprototypeof
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$1, sham: !correctPrototypeGetter }, {
	  getPrototypeOf: function getPrototypeOf(it) {
	    return objectGetPrototypeOf(toObject(it));
	  }
	});

	// `Reflect.ownKeys` method
	// https://tc39.es/ecma262/#sec-reflect.ownkeys
	_export({ target: 'Reflect', stat: true }, {
	  ownKeys: ownKeys
	});

	var domain; // This constructor is used to store event handlers. Instantiating this is
	// faster than explicitly calling `Object.create(null)` to get a "clean" empty
	// object (tested with v8 v4.9).

	function EventHandlers() {}

	EventHandlers.prototype = Object.create(null);

	function EventEmitter() {
	  EventEmitter.init.call(this);
	}
	// require('events') === require('events').EventEmitter

	EventEmitter.EventEmitter = EventEmitter;
	EventEmitter.usingDomains = false;
	EventEmitter.prototype.domain = undefined;
	EventEmitter.prototype._events = undefined;
	EventEmitter.prototype._maxListeners = undefined; // By default EventEmitters will print a warning if more than 10 listeners are
	// added to it. This is a useful default which helps finding memory leaks.

	EventEmitter.defaultMaxListeners = 10;

	EventEmitter.init = function () {
	  this.domain = null;

	  if (EventEmitter.usingDomains) {
	    // if there is an active domain, then attach to it.
	    if (domain.active ) ;
	  }

	  if (!this._events || this._events === Object.getPrototypeOf(this)._events) {
	    this._events = new EventHandlers();
	    this._eventsCount = 0;
	  }

	  this._maxListeners = this._maxListeners || undefined;
	}; // Obviously not all Emitters should be limited to 10. This function allows
	// that to be increased. Set to zero for unlimited.


	EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
	  if (typeof n !== 'number' || n < 0 || isNaN(n)) throw new TypeError('"n" argument must be a positive number');
	  this._maxListeners = n;
	  return this;
	};

	function $getMaxListeners(that) {
	  if (that._maxListeners === undefined) return EventEmitter.defaultMaxListeners;
	  return that._maxListeners;
	}

	EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
	  return $getMaxListeners(this);
	}; // These standalone emit* functions are used to optimize calling of event
	// handlers for fast cases because emit() itself often has a variable number of
	// arguments and can be deoptimized because of that. These functions always have
	// the same number of arguments and thus do not get deoptimized, so the code
	// inside them can execute faster.


	function emitNone(handler, isFn, self) {
	  if (isFn) handler.call(self);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].call(self);
	    }
	  }
	}

	function emitOne(handler, isFn, self, arg1) {
	  if (isFn) handler.call(self, arg1);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].call(self, arg1);
	    }
	  }
	}

	function emitTwo(handler, isFn, self, arg1, arg2) {
	  if (isFn) handler.call(self, arg1, arg2);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].call(self, arg1, arg2);
	    }
	  }
	}

	function emitThree(handler, isFn, self, arg1, arg2, arg3) {
	  if (isFn) handler.call(self, arg1, arg2, arg3);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].call(self, arg1, arg2, arg3);
	    }
	  }
	}

	function emitMany(handler, isFn, self, args) {
	  if (isFn) handler.apply(self, args);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].apply(self, args);
	    }
	  }
	}

	EventEmitter.prototype.emit = function emit(type) {
	  var er, handler, len, args, i, events, domain;
	  var doError = type === 'error';
	  events = this._events;
	  if (events) doError = doError && events.error == null;else if (!doError) return false;
	  domain = this.domain; // If there is no 'error' event listener then throw.

	  if (doError) {
	    er = arguments[1];

	    if (domain) {
	      if (!er) er = new Error('Uncaught, unspecified "error" event');
	      er.domainEmitter = this;
	      er.domain = domain;
	      er.domainThrown = false;
	      domain.emit('error', er);
	    } else if (er instanceof Error) {
	      throw er; // Unhandled 'error' event
	    } else {
	      // At least give some kind of context to the user
	      var err = new Error('Uncaught, unspecified "error" event. (' + er + ')');
	      err.context = er;
	      throw err;
	    }

	    return false;
	  }

	  handler = events[type];
	  if (!handler) return false;
	  var isFn = typeof handler === 'function';
	  len = arguments.length;

	  switch (len) {
	    // fast cases
	    case 1:
	      emitNone(handler, isFn, this);
	      break;

	    case 2:
	      emitOne(handler, isFn, this, arguments[1]);
	      break;

	    case 3:
	      emitTwo(handler, isFn, this, arguments[1], arguments[2]);
	      break;

	    case 4:
	      emitThree(handler, isFn, this, arguments[1], arguments[2], arguments[3]);
	      break;
	    // slower

	    default:
	      args = new Array(len - 1);

	      for (i = 1; i < len; i++) {
	        args[i - 1] = arguments[i];
	      }

	      emitMany(handler, isFn, this, args);
	  }
	  return true;
	};

	function _addListener(target, type, listener, prepend) {
	  var m;
	  var events;
	  var existing;
	  if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
	  events = target._events;

	  if (!events) {
	    events = target._events = new EventHandlers();
	    target._eventsCount = 0;
	  } else {
	    // To avoid recursion in the case that type === "newListener"! Before
	    // adding it to the listeners, first emit "newListener".
	    if (events.newListener) {
	      target.emit('newListener', type, listener.listener ? listener.listener : listener); // Re-assign `events` because a newListener handler could have caused the
	      // this._events to be assigned to a new object

	      events = target._events;
	    }

	    existing = events[type];
	  }

	  if (!existing) {
	    // Optimize the case of one listener. Don't need the extra array object.
	    existing = events[type] = listener;
	    ++target._eventsCount;
	  } else {
	    if (typeof existing === 'function') {
	      // Adding the second element, need to change to array.
	      existing = events[type] = prepend ? [listener, existing] : [existing, listener];
	    } else {
	      // If we've already got an array, just append.
	      if (prepend) {
	        existing.unshift(listener);
	      } else {
	        existing.push(listener);
	      }
	    } // Check for listener leak


	    if (!existing.warned) {
	      m = $getMaxListeners(target);

	      if (m && m > 0 && existing.length > m) {
	        existing.warned = true;
	        var w = new Error('Possible EventEmitter memory leak detected. ' + existing.length + ' ' + type + ' listeners added. ' + 'Use emitter.setMaxListeners() to increase limit');
	        w.name = 'MaxListenersExceededWarning';
	        w.emitter = target;
	        w.type = type;
	        w.count = existing.length;
	        emitWarning(w);
	      }
	    }
	  }

	  return target;
	}

	function emitWarning(e) {
	  typeof console.warn === 'function' ? console.warn(e) : console.log(e);
	}

	EventEmitter.prototype.addListener = function addListener(type, listener) {
	  return _addListener(this, type, listener, false);
	};

	EventEmitter.prototype.on = EventEmitter.prototype.addListener;

	EventEmitter.prototype.prependListener = function prependListener(type, listener) {
	  return _addListener(this, type, listener, true);
	};

	function _onceWrap(target, type, listener) {
	  var fired = false;

	  function g() {
	    target.removeListener(type, g);

	    if (!fired) {
	      fired = true;
	      listener.apply(target, arguments);
	    }
	  }

	  g.listener = listener;
	  return g;
	}

	EventEmitter.prototype.once = function once(type, listener) {
	  if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
	  this.on(type, _onceWrap(this, type, listener));
	  return this;
	};

	EventEmitter.prototype.prependOnceListener = function prependOnceListener(type, listener) {
	  if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
	  this.prependListener(type, _onceWrap(this, type, listener));
	  return this;
	}; // emits a 'removeListener' event iff the listener was removed


	EventEmitter.prototype.removeListener = function removeListener(type, listener) {
	  var list, events, position, i, originalListener;
	  if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
	  events = this._events;
	  if (!events) return this;
	  list = events[type];
	  if (!list) return this;

	  if (list === listener || list.listener && list.listener === listener) {
	    if (--this._eventsCount === 0) this._events = new EventHandlers();else {
	      delete events[type];
	      if (events.removeListener) this.emit('removeListener', type, list.listener || listener);
	    }
	  } else if (typeof list !== 'function') {
	    position = -1;

	    for (i = list.length; i-- > 0;) {
	      if (list[i] === listener || list[i].listener && list[i].listener === listener) {
	        originalListener = list[i].listener;
	        position = i;
	        break;
	      }
	    }

	    if (position < 0) return this;

	    if (list.length === 1) {
	      list[0] = undefined;

	      if (--this._eventsCount === 0) {
	        this._events = new EventHandlers();
	        return this;
	      } else {
	        delete events[type];
	      }
	    } else {
	      spliceOne(list, position);
	    }

	    if (events.removeListener) this.emit('removeListener', type, originalListener || listener);
	  }

	  return this;
	};

	EventEmitter.prototype.removeAllListeners = function removeAllListeners(type) {
	  var listeners, events;
	  events = this._events;
	  if (!events) return this; // not listening for removeListener, no need to emit

	  if (!events.removeListener) {
	    if (arguments.length === 0) {
	      this._events = new EventHandlers();
	      this._eventsCount = 0;
	    } else if (events[type]) {
	      if (--this._eventsCount === 0) this._events = new EventHandlers();else delete events[type];
	    }

	    return this;
	  } // emit removeListener for all listeners on all events


	  if (arguments.length === 0) {
	    var keys = Object.keys(events);

	    for (var i = 0, key; i < keys.length; ++i) {
	      key = keys[i];
	      if (key === 'removeListener') continue;
	      this.removeAllListeners(key);
	    }

	    this.removeAllListeners('removeListener');
	    this._events = new EventHandlers();
	    this._eventsCount = 0;
	    return this;
	  }

	  listeners = events[type];

	  if (typeof listeners === 'function') {
	    this.removeListener(type, listeners);
	  } else if (listeners) {
	    // LIFO order
	    do {
	      this.removeListener(type, listeners[listeners.length - 1]);
	    } while (listeners[0]);
	  }

	  return this;
	};

	EventEmitter.prototype.listeners = function listeners(type) {
	  var evlistener;
	  var ret;
	  var events = this._events;
	  if (!events) ret = [];else {
	    evlistener = events[type];
	    if (!evlistener) ret = [];else if (typeof evlistener === 'function') ret = [evlistener.listener || evlistener];else ret = unwrapListeners(evlistener);
	  }
	  return ret;
	};

	EventEmitter.listenerCount = function (emitter, type) {
	  if (typeof emitter.listenerCount === 'function') {
	    return emitter.listenerCount(type);
	  } else {
	    return listenerCount.call(emitter, type);
	  }
	};

	EventEmitter.prototype.listenerCount = listenerCount;

	function listenerCount(type) {
	  var events = this._events;

	  if (events) {
	    var evlistener = events[type];

	    if (typeof evlistener === 'function') {
	      return 1;
	    } else if (evlistener) {
	      return evlistener.length;
	    }
	  }

	  return 0;
	}

	EventEmitter.prototype.eventNames = function eventNames() {
	  return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : [];
	}; // About 1.5x faster than the two-arg version of Array#splice().


	function spliceOne(list, index) {
	  for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) {
	    list[i] = list[k];
	  }

	  list.pop();
	}

	function arrayClone(arr, i) {
	  var copy = new Array(i);

	  while (i--) {
	    copy[i] = arr[i];
	  }

	  return copy;
	}

	function unwrapListeners(arr) {
	  var ret = new Array(arr.length);

	  for (var i = 0; i < ret.length; ++i) {
	    ret[i] = arr[i].listener || arr[i];
	  }

	  return ret;
	}

	var nativeJoin = [].join;

	var ES3_STRINGS = indexedObject != Object;
	var STRICT_METHOD$1 = arrayMethodIsStrict('join', ',');

	// `Array.prototype.join` method
	// https://tc39.es/ecma262/#sec-array.prototype.join
	_export({ target: 'Array', proto: true, forced: ES3_STRINGS || !STRICT_METHOD$1 }, {
	  join: function join(separator) {
	    return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
	  }
	});

	var $map = arrayIteration.map;



	var HAS_SPECIES_SUPPORT$2 = arrayMethodHasSpeciesSupport('map');
	// FF49- issue
	var USES_TO_LENGTH$3 = arrayMethodUsesToLength('map');

	// `Array.prototype.map` method
	// https://tc39.es/ecma262/#sec-array.prototype.map
	// with adding support of @@species
	_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT$2 || !USES_TO_LENGTH$3 }, {
	  map: function map(callbackfn /* , thisArg */) {
	    return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var aPossiblePrototype = function (it) {
	  if (!isObject(it) && it !== null) {
	    throw TypeError("Can't set " + String(it) + ' as a prototype');
	  } return it;
	};

	// `Object.setPrototypeOf` method
	// https://tc39.es/ecma262/#sec-object.setprototypeof
	// Works with __proto__ only. Old v8 can't work with null proto objects.
	/* eslint-disable no-proto */
	var objectSetPrototypeOf = Object.setPrototypeOf || ('__proto__' in {} ? function () {
	  var CORRECT_SETTER = false;
	  var test = {};
	  var setter;
	  try {
	    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
	    setter.call(test, []);
	    CORRECT_SETTER = test instanceof Array;
	  } catch (error) { /* empty */ }
	  return function setPrototypeOf(O, proto) {
	    anObject(O);
	    aPossiblePrototype(proto);
	    if (CORRECT_SETTER) setter.call(O, proto);
	    else O.__proto__ = proto;
	    return O;
	  };
	}() : undefined);

	// makes subclassing work correct for wrapped built-ins
	var inheritIfRequired = function ($this, dummy, Wrapper) {
	  var NewTarget, NewTargetPrototype;
	  if (
	    // it can work only with native `setPrototypeOf`
	    objectSetPrototypeOf &&
	    // we haven't completely correct pre-ES6 way for getting `new.target`, so use this
	    typeof (NewTarget = dummy.constructor) == 'function' &&
	    NewTarget !== Wrapper &&
	    isObject(NewTargetPrototype = NewTarget.prototype) &&
	    NewTargetPrototype !== Wrapper.prototype
	  ) objectSetPrototypeOf($this, NewTargetPrototype);
	  return $this;
	};

	// `Object.defineProperties` method
	// https://tc39.es/ecma262/#sec-object.defineproperties
	var objectDefineProperties = descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
	  anObject(O);
	  var keys = objectKeys(Properties);
	  var length = keys.length;
	  var index = 0;
	  var key;
	  while (length > index) objectDefineProperty.f(O, key = keys[index++], Properties[key]);
	  return O;
	};

	var html = getBuiltIn('document', 'documentElement');

	var GT = '>';
	var LT = '<';
	var PROTOTYPE = 'prototype';
	var SCRIPT = 'script';
	var IE_PROTO$1 = sharedKey('IE_PROTO');

	var EmptyConstructor = function () { /* empty */ };

	var scriptTag = function (content) {
	  return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
	};

	// Create object with fake `null` prototype: use ActiveX Object with cleared prototype
	var NullProtoObjectViaActiveX = function (activeXDocument) {
	  activeXDocument.write(scriptTag(''));
	  activeXDocument.close();
	  var temp = activeXDocument.parentWindow.Object;
	  activeXDocument = null; // avoid memory leak
	  return temp;
	};

	// Create object with fake `null` prototype: use iframe Object with cleared prototype
	var NullProtoObjectViaIFrame = function () {
	  // Thrash, waste and sodomy: IE GC bug
	  var iframe = documentCreateElement('iframe');
	  var JS = 'java' + SCRIPT + ':';
	  var iframeDocument;
	  iframe.style.display = 'none';
	  html.appendChild(iframe);
	  // https://github.com/zloirock/core-js/issues/475
	  iframe.src = String(JS);
	  iframeDocument = iframe.contentWindow.document;
	  iframeDocument.open();
	  iframeDocument.write(scriptTag('document.F=Object'));
	  iframeDocument.close();
	  return iframeDocument.F;
	};

	// Check for document.domain and active x support
	// No need to use active x approach when document.domain is not set
	// see https://github.com/es-shims/es5-shim/issues/150
	// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346
	// avoid IE GC bug
	var activeXDocument;
	var NullProtoObject = function () {
	  try {
	    /* global ActiveXObject */
	    activeXDocument = document.domain && new ActiveXObject('htmlfile');
	  } catch (error) { /* ignore */ }
	  NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
	  var length = enumBugKeys.length;
	  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
	  return NullProtoObject();
	};

	hiddenKeys[IE_PROTO$1] = true;

	// `Object.create` method
	// https://tc39.es/ecma262/#sec-object.create
	var objectCreate = Object.create || function create(O, Properties) {
	  var result;
	  if (O !== null) {
	    EmptyConstructor[PROTOTYPE] = anObject(O);
	    result = new EmptyConstructor();
	    EmptyConstructor[PROTOTYPE] = null;
	    // add "__proto__" for Object.getPrototypeOf polyfill
	    result[IE_PROTO$1] = O;
	  } else result = NullProtoObject();
	  return Properties === undefined ? result : objectDefineProperties(result, Properties);
	};

	// a string of all valid unicode whitespaces
	// eslint-disable-next-line max-len
	var whitespaces = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';

	var whitespace = '[' + whitespaces + ']';
	var ltrim = RegExp('^' + whitespace + whitespace + '*');
	var rtrim = RegExp(whitespace + whitespace + '*$');

	// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
	var createMethod$2 = function (TYPE) {
	  return function ($this) {
	    var string = String(requireObjectCoercible($this));
	    if (TYPE & 1) string = string.replace(ltrim, '');
	    if (TYPE & 2) string = string.replace(rtrim, '');
	    return string;
	  };
	};

	var stringTrim = {
	  // `String.prototype.{ trimLeft, trimStart }` methods
	  // https://tc39.es/ecma262/#sec-string.prototype.trimstart
	  start: createMethod$2(1),
	  // `String.prototype.{ trimRight, trimEnd }` methods
	  // https://tc39.es/ecma262/#sec-string.prototype.trimend
	  end: createMethod$2(2),
	  // `String.prototype.trim` method
	  // https://tc39.es/ecma262/#sec-string.prototype.trim
	  trim: createMethod$2(3)
	};

	var getOwnPropertyNames = objectGetOwnPropertyNames.f;
	var getOwnPropertyDescriptor$2 = objectGetOwnPropertyDescriptor.f;
	var defineProperty$3 = objectDefineProperty.f;
	var trim = stringTrim.trim;

	var NUMBER = 'Number';
	var NativeNumber = global_1[NUMBER];
	var NumberPrototype = NativeNumber.prototype;

	// Opera ~12 has broken Object#toString
	var BROKEN_CLASSOF = classofRaw(objectCreate(NumberPrototype)) == NUMBER;

	// `ToNumber` abstract operation
	// https://tc39.es/ecma262/#sec-tonumber
	var toNumber = function (argument) {
	  var it = toPrimitive(argument, false);
	  var first, third, radix, maxCode, digits, length, index, code;
	  if (typeof it == 'string' && it.length > 2) {
	    it = trim(it);
	    first = it.charCodeAt(0);
	    if (first === 43 || first === 45) {
	      third = it.charCodeAt(2);
	      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
	    } else if (first === 48) {
	      switch (it.charCodeAt(1)) {
	        case 66: case 98: radix = 2; maxCode = 49; break; // fast equal of /^0b[01]+$/i
	        case 79: case 111: radix = 8; maxCode = 55; break; // fast equal of /^0o[0-7]+$/i
	        default: return +it;
	      }
	      digits = it.slice(2);
	      length = digits.length;
	      for (index = 0; index < length; index++) {
	        code = digits.charCodeAt(index);
	        // parseInt parses a string to a first unavailable symbol
	        // but ToNumber should return NaN if a string contains unavailable symbols
	        if (code < 48 || code > maxCode) return NaN;
	      } return parseInt(digits, radix);
	    }
	  } return +it;
	};

	// `Number` constructor
	// https://tc39.es/ecma262/#sec-number-constructor
	if (isForced_1(NUMBER, !NativeNumber(' 0o1') || !NativeNumber('0b1') || NativeNumber('+0x1'))) {
	  var NumberWrapper = function Number(value) {
	    var it = arguments.length < 1 ? 0 : value;
	    var dummy = this;
	    return dummy instanceof NumberWrapper
	      // check on 1..constructor(foo) case
	      && (BROKEN_CLASSOF ? fails(function () { NumberPrototype.valueOf.call(dummy); }) : classofRaw(dummy) != NUMBER)
	        ? inheritIfRequired(new NativeNumber(toNumber(it)), dummy, NumberWrapper) : toNumber(it);
	  };
	  for (var keys$1 = descriptors ? getOwnPropertyNames(NativeNumber) : (
	    // ES3:
	    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
	    // ES2015 (in case, if modules with ES2015 Number statics required before):
	    'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
	    'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger,' +
	    // ESNext
	    'fromString,range'
	  ).split(','), j = 0, key; keys$1.length > j; j++) {
	    if (has(NativeNumber, key = keys$1[j]) && !has(NumberWrapper, key)) {
	      defineProperty$3(NumberWrapper, key, getOwnPropertyDescriptor$2(NativeNumber, key));
	    }
	  }
	  NumberWrapper.prototype = NumberPrototype;
	  NumberPrototype.constructor = NumberWrapper;
	  redefine(global_1, NUMBER, NumberWrapper);
	}

	var nativeGetOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;


	var FAILS_ON_PRIMITIVES$2 = fails(function () { nativeGetOwnPropertyDescriptor$1(1); });
	var FORCED$1 = !descriptors || FAILS_ON_PRIMITIVES$2;

	// `Object.getOwnPropertyDescriptor` method
	// https://tc39.es/ecma262/#sec-object.getownpropertydescriptor
	_export({ target: 'Object', stat: true, forced: FORCED$1, sham: !descriptors }, {
	  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {
	    return nativeGetOwnPropertyDescriptor$1(toIndexedObject(it), key);
	  }
	});

	var nativeGetOwnPropertyNames = objectGetOwnPropertyNames.f;

	var toString$1 = {}.toString;

	var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
	  ? Object.getOwnPropertyNames(window) : [];

	var getWindowNames = function (it) {
	  try {
	    return nativeGetOwnPropertyNames(it);
	  } catch (error) {
	    return windowNames.slice();
	  }
	};

	// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
	var f$5 = function getOwnPropertyNames(it) {
	  return windowNames && toString$1.call(it) == '[object Window]'
	    ? getWindowNames(it)
	    : nativeGetOwnPropertyNames(toIndexedObject(it));
	};

	var objectGetOwnPropertyNamesExternal = {
		f: f$5
	};

	var nativeGetOwnPropertyNames$1 = objectGetOwnPropertyNamesExternal.f;

	var FAILS_ON_PRIMITIVES$3 = fails(function () { return !Object.getOwnPropertyNames(1); });

	// `Object.getOwnPropertyNames` method
	// https://tc39.es/ecma262/#sec-object.getownpropertynames
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$3 }, {
	  getOwnPropertyNames: nativeGetOwnPropertyNames$1
	});

	var MATCH = wellKnownSymbol('match');

	// `IsRegExp` abstract operation
	// https://tc39.es/ecma262/#sec-isregexp
	var isRegexp = function (it) {
	  var isRegExp;
	  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classofRaw(it) == 'RegExp');
	};

	var SPECIES$3 = wellKnownSymbol('species');

	var setSpecies = function (CONSTRUCTOR_NAME) {
	  var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
	  var defineProperty = objectDefineProperty.f;

	  if (descriptors && Constructor && !Constructor[SPECIES$3]) {
	    defineProperty(Constructor, SPECIES$3, {
	      configurable: true,
	      get: function () { return this; }
	    });
	  }
	};

	var defineProperty$4 = objectDefineProperty.f;
	var getOwnPropertyNames$1 = objectGetOwnPropertyNames.f;





	var setInternalState = internalState.set;



	var MATCH$1 = wellKnownSymbol('match');
	var NativeRegExp = global_1.RegExp;
	var RegExpPrototype$1 = NativeRegExp.prototype;
	var re1 = /a/g;
	var re2 = /a/g;

	// "new" should create a new object, old webkit bug
	var CORRECT_NEW = new NativeRegExp(re1) !== re1;

	var UNSUPPORTED_Y$2 = regexpStickyHelpers.UNSUPPORTED_Y;

	var FORCED$2 = descriptors && isForced_1('RegExp', (!CORRECT_NEW || UNSUPPORTED_Y$2 || fails(function () {
	  re2[MATCH$1] = false;
	  // RegExp constructor can alter flags and IsRegExp works correct with @@match
	  return NativeRegExp(re1) != re1 || NativeRegExp(re2) == re2 || NativeRegExp(re1, 'i') != '/a/i';
	})));

	// `RegExp` constructor
	// https://tc39.es/ecma262/#sec-regexp-constructor
	if (FORCED$2) {
	  var RegExpWrapper = function RegExp(pattern, flags) {
	    var thisIsRegExp = this instanceof RegExpWrapper;
	    var patternIsRegExp = isRegexp(pattern);
	    var flagsAreUndefined = flags === undefined;
	    var sticky;

	    if (!thisIsRegExp && patternIsRegExp && pattern.constructor === RegExpWrapper && flagsAreUndefined) {
	      return pattern;
	    }

	    if (CORRECT_NEW) {
	      if (patternIsRegExp && !flagsAreUndefined) pattern = pattern.source;
	    } else if (pattern instanceof RegExpWrapper) {
	      if (flagsAreUndefined) flags = regexpFlags.call(pattern);
	      pattern = pattern.source;
	    }

	    if (UNSUPPORTED_Y$2) {
	      sticky = !!flags && flags.indexOf('y') > -1;
	      if (sticky) flags = flags.replace(/y/g, '');
	    }

	    var result = inheritIfRequired(
	      CORRECT_NEW ? new NativeRegExp(pattern, flags) : NativeRegExp(pattern, flags),
	      thisIsRegExp ? this : RegExpPrototype$1,
	      RegExpWrapper
	    );

	    if (UNSUPPORTED_Y$2 && sticky) setInternalState(result, { sticky: sticky });

	    return result;
	  };
	  var proxy = function (key) {
	    key in RegExpWrapper || defineProperty$4(RegExpWrapper, key, {
	      configurable: true,
	      get: function () { return NativeRegExp[key]; },
	      set: function (it) { NativeRegExp[key] = it; }
	    });
	  };
	  var keys$2 = getOwnPropertyNames$1(NativeRegExp);
	  var index = 0;
	  while (keys$2.length > index) proxy(keys$2[index++]);
	  RegExpPrototype$1.constructor = RegExpWrapper;
	  RegExpWrapper.prototype = RegExpPrototype$1;
	  redefine(global_1, 'RegExp', RegExpWrapper);
	}

	// https://tc39.es/ecma262/#sec-get-regexp-@@species
	setSpecies('RegExp');

	// `String.prototype.{ codePointAt, at }` methods implementation
	var createMethod$3 = function (CONVERT_TO_STRING) {
	  return function ($this, pos) {
	    var S = String(requireObjectCoercible($this));
	    var position = toInteger(pos);
	    var size = S.length;
	    var first, second;
	    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;
	    first = S.charCodeAt(position);
	    return first < 0xD800 || first > 0xDBFF || position + 1 === size
	      || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF
	        ? CONVERT_TO_STRING ? S.charAt(position) : first
	        : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
	  };
	};

	var stringMultibyte = {
	  // `String.prototype.codePointAt` method
	  // https://tc39.es/ecma262/#sec-string.prototype.codepointat
	  codeAt: createMethod$3(false),
	  // `String.prototype.at` method
	  // https://github.com/mathiasbynens/String.prototype.at
	  charAt: createMethod$3(true)
	};

	var charAt = stringMultibyte.charAt;

	// `AdvanceStringIndex` abstract operation
	// https://tc39.es/ecma262/#sec-advancestringindex
	var advanceStringIndex = function (S, index, unicode) {
	  return index + (unicode ? charAt(S, index).length : 1);
	};

	// @@match logic
	fixRegexpWellKnownSymbolLogic('match', 1, function (MATCH, nativeMatch, maybeCallNative) {
	  return [
	    // `String.prototype.match` method
	    // https://tc39.es/ecma262/#sec-string.prototype.match
	    function match(regexp) {
	      var O = requireObjectCoercible(this);
	      var matcher = regexp == undefined ? undefined : regexp[MATCH];
	      return matcher !== undefined ? matcher.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
	    },
	    // `RegExp.prototype[@@match]` method
	    // https://tc39.es/ecma262/#sec-regexp.prototype-@@match
	    function (regexp) {
	      var res = maybeCallNative(nativeMatch, regexp, this);
	      if (res.done) return res.value;

	      var rx = anObject(regexp);
	      var S = String(this);

	      if (!rx.global) return regexpExecAbstract(rx, S);

	      var fullUnicode = rx.unicode;
	      rx.lastIndex = 0;
	      var A = [];
	      var n = 0;
	      var result;
	      while ((result = regexpExecAbstract(rx, S)) !== null) {
	        var matchStr = String(result[0]);
	        A[n] = matchStr;
	        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
	        n++;
	      }
	      return n === 0 ? null : A;
	    }
	  ];
	});

	var floor$1 = Math.floor;
	var replace = ''.replace;
	var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d\d?|<[^>]*>)/g;
	var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d\d?)/g;

	// https://tc39.es/ecma262/#sec-getsubstitution
	var getSubstitution = function (matched, str, position, captures, namedCaptures, replacement) {
	  var tailPos = position + matched.length;
	  var m = captures.length;
	  var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
	  if (namedCaptures !== undefined) {
	    namedCaptures = toObject(namedCaptures);
	    symbols = SUBSTITUTION_SYMBOLS;
	  }
	  return replace.call(replacement, symbols, function (match, ch) {
	    var capture;
	    switch (ch.charAt(0)) {
	      case '$': return '$';
	      case '&': return matched;
	      case '`': return str.slice(0, position);
	      case "'": return str.slice(tailPos);
	      case '<':
	        capture = namedCaptures[ch.slice(1, -1)];
	        break;
	      default: // \d\d?
	        var n = +ch;
	        if (n === 0) return match;
	        if (n > m) {
	          var f = floor$1(n / 10);
	          if (f === 0) return match;
	          if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
	          return match;
	        }
	        capture = captures[n - 1];
	    }
	    return capture === undefined ? '' : capture;
	  });
	};

	var max$2 = Math.max;
	var min$3 = Math.min;

	var maybeToString = function (it) {
	  return it === undefined ? it : String(it);
	};

	// @@replace logic
	fixRegexpWellKnownSymbolLogic('replace', 2, function (REPLACE, nativeReplace, maybeCallNative, reason) {
	  var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = reason.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE;
	  var REPLACE_KEEPS_$0 = reason.REPLACE_KEEPS_$0;
	  var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';

	  return [
	    // `String.prototype.replace` method
	    // https://tc39.es/ecma262/#sec-string.prototype.replace
	    function replace(searchValue, replaceValue) {
	      var O = requireObjectCoercible(this);
	      var replacer = searchValue == undefined ? undefined : searchValue[REPLACE];
	      return replacer !== undefined
	        ? replacer.call(searchValue, O, replaceValue)
	        : nativeReplace.call(String(O), searchValue, replaceValue);
	    },
	    // `RegExp.prototype[@@replace]` method
	    // https://tc39.es/ecma262/#sec-regexp.prototype-@@replace
	    function (regexp, replaceValue) {
	      if (
	        (!REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE && REPLACE_KEEPS_$0) ||
	        (typeof replaceValue === 'string' && replaceValue.indexOf(UNSAFE_SUBSTITUTE) === -1)
	      ) {
	        var res = maybeCallNative(nativeReplace, regexp, this, replaceValue);
	        if (res.done) return res.value;
	      }

	      var rx = anObject(regexp);
	      var S = String(this);

	      var functionalReplace = typeof replaceValue === 'function';
	      if (!functionalReplace) replaceValue = String(replaceValue);

	      var global = rx.global;
	      if (global) {
	        var fullUnicode = rx.unicode;
	        rx.lastIndex = 0;
	      }
	      var results = [];
	      while (true) {
	        var result = regexpExecAbstract(rx, S);
	        if (result === null) break;

	        results.push(result);
	        if (!global) break;

	        var matchStr = String(result[0]);
	        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
	      }

	      var accumulatedResult = '';
	      var nextSourcePosition = 0;
	      for (var i = 0; i < results.length; i++) {
	        result = results[i];

	        var matched = String(result[0]);
	        var position = max$2(min$3(toInteger(result.index), S.length), 0);
	        var captures = [];
	        // NOTE: This is equivalent to
	        //   captures = result.slice(1).map(maybeToString)
	        // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
	        // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
	        // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
	        for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
	        var namedCaptures = result.groups;
	        if (functionalReplace) {
	          var replacerArgs = [matched].concat(captures, position, S);
	          if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
	          var replacement = String(replaceValue.apply(undefined, replacerArgs));
	        } else {
	          replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
	        }
	        if (position >= nextSourcePosition) {
	          accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
	          nextSourcePosition = position + matched.length;
	        }
	      }
	      return accumulatedResult + S.slice(nextSourcePosition);
	    }
	  ];
	});

	var SPECIES$4 = wellKnownSymbol('species');

	// `SpeciesConstructor` abstract operation
	// https://tc39.es/ecma262/#sec-speciesconstructor
	var speciesConstructor = function (O, defaultConstructor) {
	  var C = anObject(O).constructor;
	  var S;
	  return C === undefined || (S = anObject(C)[SPECIES$4]) == undefined ? defaultConstructor : aFunction$1(S);
	};

	var arrayPush = [].push;
	var min$4 = Math.min;
	var MAX_UINT32 = 0xFFFFFFFF;

	// babel-minify transpiles RegExp('x', 'y') -> /x/y and it causes SyntaxError
	var SUPPORTS_Y = !fails(function () { return !RegExp(MAX_UINT32, 'y'); });

	// @@split logic
	fixRegexpWellKnownSymbolLogic('split', 2, function (SPLIT, nativeSplit, maybeCallNative) {
	  var internalSplit;
	  if (
	    'abbc'.split(/(b)*/)[1] == 'c' ||
	    'test'.split(/(?:)/, -1).length != 4 ||
	    'ab'.split(/(?:ab)*/).length != 2 ||
	    '.'.split(/(.?)(.?)/).length != 4 ||
	    '.'.split(/()()/).length > 1 ||
	    ''.split(/.?/).length
	  ) {
	    // based on es5-shim implementation, need to rework it
	    internalSplit = function (separator, limit) {
	      var string = String(requireObjectCoercible(this));
	      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
	      if (lim === 0) return [];
	      if (separator === undefined) return [string];
	      // If `separator` is not a regex, use native split
	      if (!isRegexp(separator)) {
	        return nativeSplit.call(string, separator, lim);
	      }
	      var output = [];
	      var flags = (separator.ignoreCase ? 'i' : '') +
	                  (separator.multiline ? 'm' : '') +
	                  (separator.unicode ? 'u' : '') +
	                  (separator.sticky ? 'y' : '');
	      var lastLastIndex = 0;
	      // Make `global` and avoid `lastIndex` issues by working with a copy
	      var separatorCopy = new RegExp(separator.source, flags + 'g');
	      var match, lastIndex, lastLength;
	      while (match = regexpExec.call(separatorCopy, string)) {
	        lastIndex = separatorCopy.lastIndex;
	        if (lastIndex > lastLastIndex) {
	          output.push(string.slice(lastLastIndex, match.index));
	          if (match.length > 1 && match.index < string.length) arrayPush.apply(output, match.slice(1));
	          lastLength = match[0].length;
	          lastLastIndex = lastIndex;
	          if (output.length >= lim) break;
	        }
	        if (separatorCopy.lastIndex === match.index) separatorCopy.lastIndex++; // Avoid an infinite loop
	      }
	      if (lastLastIndex === string.length) {
	        if (lastLength || !separatorCopy.test('')) output.push('');
	      } else output.push(string.slice(lastLastIndex));
	      return output.length > lim ? output.slice(0, lim) : output;
	    };
	  // Chakra, V8
	  } else if ('0'.split(undefined, 0).length) {
	    internalSplit = function (separator, limit) {
	      return separator === undefined && limit === 0 ? [] : nativeSplit.call(this, separator, limit);
	    };
	  } else internalSplit = nativeSplit;

	  return [
	    // `String.prototype.split` method
	    // https://tc39.es/ecma262/#sec-string.prototype.split
	    function split(separator, limit) {
	      var O = requireObjectCoercible(this);
	      var splitter = separator == undefined ? undefined : separator[SPLIT];
	      return splitter !== undefined
	        ? splitter.call(separator, O, limit)
	        : internalSplit.call(String(O), separator, limit);
	    },
	    // `RegExp.prototype[@@split]` method
	    // https://tc39.es/ecma262/#sec-regexp.prototype-@@split
	    //
	    // NOTE: This cannot be properly polyfilled in engines that don't support
	    // the 'y' flag.
	    function (regexp, limit) {
	      var res = maybeCallNative(internalSplit, regexp, this, limit, internalSplit !== nativeSplit);
	      if (res.done) return res.value;

	      var rx = anObject(regexp);
	      var S = String(this);
	      var C = speciesConstructor(rx, RegExp);

	      var unicodeMatching = rx.unicode;
	      var flags = (rx.ignoreCase ? 'i' : '') +
	                  (rx.multiline ? 'm' : '') +
	                  (rx.unicode ? 'u' : '') +
	                  (SUPPORTS_Y ? 'y' : 'g');

	      // ^(? + rx + ) is needed, in combination with some S slicing, to
	      // simulate the 'y' flag.
	      var splitter = new C(SUPPORTS_Y ? rx : '^(?:' + rx.source + ')', flags);
	      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
	      if (lim === 0) return [];
	      if (S.length === 0) return regexpExecAbstract(splitter, S) === null ? [S] : [];
	      var p = 0;
	      var q = 0;
	      var A = [];
	      while (q < S.length) {
	        splitter.lastIndex = SUPPORTS_Y ? q : 0;
	        var z = regexpExecAbstract(splitter, SUPPORTS_Y ? S : S.slice(q));
	        var e;
	        if (
	          z === null ||
	          (e = min$4(toLength(splitter.lastIndex + (SUPPORTS_Y ? 0 : q)), S.length)) === p
	        ) {
	          q = advanceStringIndex(S, q, unicodeMatching);
	        } else {
	          A.push(S.slice(p, q));
	          if (A.length === lim) return A;
	          for (var i = 1; i <= z.length - 1; i++) {
	            A.push(z[i]);
	            if (A.length === lim) return A;
	          }
	          q = p = e;
	        }
	      }
	      A.push(S.slice(p));
	      return A;
	    }
	  ];
	}, !SUPPORTS_Y);

	function _typeof(obj) {
	  "@babel/helpers - typeof";

	  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
	    _typeof = function (obj) {
	      return typeof obj;
	    };
	  } else {
	    _typeof = function (obj) {
	      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
	    };
	  }

	  return _typeof(obj);
	}

	function _asyncIterator(iterable) {
	  var method;

	  if (typeof Symbol !== "undefined") {
	    if (Symbol.asyncIterator) {
	      method = iterable[Symbol.asyncIterator];
	      if (method != null) return method.call(iterable);
	    }

	    if (Symbol.iterator) {
	      method = iterable[Symbol.iterator];
	      if (method != null) return method.call(iterable);
	    }
	  }

	  throw new TypeError("Object is not async iterable");
	}

	function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
	  try {
	    var info = gen[key](arg);
	    var value = info.value;
	  } catch (error) {
	    reject(error);
	    return;
	  }

	  if (info.done) {
	    resolve(value);
	  } else {
	    Promise.resolve(value).then(_next, _throw);
	  }
	}

	function _asyncToGenerator(fn) {
	  return function () {
	    var self = this,
	        args = arguments;
	    return new Promise(function (resolve, reject) {
	      var gen = fn.apply(self, args);

	      function _next(value) {
	        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
	      }

	      function _throw(err) {
	        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
	      }

	      _next(undefined);
	    });
	  };
	}

	function _classCallCheck(instance, Constructor) {
	  if (!(instance instanceof Constructor)) {
	    throw new TypeError("Cannot call a class as a function");
	  }
	}

	function _defineProperty(obj, key, value) {
	  if (key in obj) {
	    Object.defineProperty(obj, key, {
	      value: value,
	      enumerable: true,
	      configurable: true,
	      writable: true
	    });
	  } else {
	    obj[key] = value;
	  }

	  return obj;
	}

	function ownKeys$1(object, enumerableOnly) {
	  var keys = Object.keys(object);

	  if (Object.getOwnPropertySymbols) {
	    var symbols = Object.getOwnPropertySymbols(object);
	    if (enumerableOnly) symbols = symbols.filter(function (sym) {
	      return Object.getOwnPropertyDescriptor(object, sym).enumerable;
	    });
	    keys.push.apply(keys, symbols);
	  }

	  return keys;
	}

	function _objectSpread2(target) {
	  for (var i = 1; i < arguments.length; i++) {
	    var source = arguments[i] != null ? arguments[i] : {};

	    if (i % 2) {
	      ownKeys$1(Object(source), true).forEach(function (key) {
	        _defineProperty(target, key, source[key]);
	      });
	    } else if (Object.getOwnPropertyDescriptors) {
	      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
	    } else {
	      ownKeys$1(Object(source)).forEach(function (key) {
	        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
	      });
	    }
	  }

	  return target;
	}

	function _inherits(subClass, superClass) {
	  if (typeof superClass !== "function" && superClass !== null) {
	    throw new TypeError("Super expression must either be null or a function");
	  }

	  subClass.prototype = Object.create(superClass && superClass.prototype, {
	    constructor: {
	      value: subClass,
	      writable: true,
	      configurable: true
	    }
	  });
	  if (superClass) _setPrototypeOf(subClass, superClass);
	}

	function _getPrototypeOf(o) {
	  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
	    return o.__proto__ || Object.getPrototypeOf(o);
	  };
	  return _getPrototypeOf(o);
	}

	function _setPrototypeOf(o, p) {
	  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
	    o.__proto__ = p;
	    return o;
	  };

	  return _setPrototypeOf(o, p);
	}

	function _isNativeReflectConstruct() {
	  if (typeof Reflect === "undefined" || !Reflect.construct) return false;
	  if (Reflect.construct.sham) return false;
	  if (typeof Proxy === "function") return true;

	  try {
	    Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
	    return true;
	  } catch (e) {
	    return false;
	  }
	}

	function _assertThisInitialized(self) {
	  if (self === void 0) {
	    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
	  }

	  return self;
	}

	function _possibleConstructorReturn(self, call) {
	  if (call && (typeof call === "object" || typeof call === "function")) {
	    return call;
	  }

	  return _assertThisInitialized(self);
	}

	function _createSuper(Derived) {
	  var hasNativeReflectConstruct = _isNativeReflectConstruct();

	  return function _createSuperInternal() {
	    var Super = _getPrototypeOf(Derived),
	        result;

	    if (hasNativeReflectConstruct) {
	      var NewTarget = _getPrototypeOf(this).constructor;

	      result = Reflect.construct(Super, arguments, NewTarget);
	    } else {
	      result = Super.apply(this, arguments);
	    }

	    return _possibleConstructorReturn(this, result);
	  };
	}

	function _toConsumableArray(arr) {
	  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
	}

	function _arrayWithoutHoles(arr) {
	  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
	}

	function _iterableToArray(iter) {
	  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
	}

	function _unsupportedIterableToArray(o, minLen) {
	  if (!o) return;
	  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
	  var n = Object.prototype.toString.call(o).slice(8, -1);
	  if (n === "Object" && o.constructor) n = o.constructor.name;
	  if (n === "Map" || n === "Set") return Array.from(o);
	  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
	}

	function _arrayLikeToArray(arr, len) {
	  if (len == null || len > arr.length) len = arr.length;

	  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

	  return arr2;
	}

	function _nonIterableSpread() {
	  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
	}

	var f$6 = wellKnownSymbol;

	var wellKnownSymbolWrapped = {
		f: f$6
	};

	var defineProperty$5 = objectDefineProperty.f;

	var defineWellKnownSymbol = function (NAME) {
	  var Symbol = path.Symbol || (path.Symbol = {});
	  if (!has(Symbol, NAME)) defineProperty$5(Symbol, NAME, {
	    value: wellKnownSymbolWrapped.f(NAME)
	  });
	};

	var defineProperty$6 = objectDefineProperty.f;



	var TO_STRING_TAG$2 = wellKnownSymbol('toStringTag');

	var setToStringTag = function (it, TAG, STATIC) {
	  if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG$2)) {
	    defineProperty$6(it, TO_STRING_TAG$2, { configurable: true, value: TAG });
	  }
	};

	var $forEach$1 = arrayIteration.forEach;

	var HIDDEN = sharedKey('hidden');
	var SYMBOL = 'Symbol';
	var PROTOTYPE$1 = 'prototype';
	var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
	var setInternalState$1 = internalState.set;
	var getInternalState = internalState.getterFor(SYMBOL);
	var ObjectPrototype$1 = Object[PROTOTYPE$1];
	var $Symbol = global_1.Symbol;
	var $stringify = getBuiltIn('JSON', 'stringify');
	var nativeGetOwnPropertyDescriptor$2 = objectGetOwnPropertyDescriptor.f;
	var nativeDefineProperty$1 = objectDefineProperty.f;
	var nativeGetOwnPropertyNames$2 = objectGetOwnPropertyNamesExternal.f;
	var nativePropertyIsEnumerable$1 = objectPropertyIsEnumerable.f;
	var AllSymbols = shared('symbols');
	var ObjectPrototypeSymbols = shared('op-symbols');
	var StringToSymbolRegistry = shared('string-to-symbol-registry');
	var SymbolToStringRegistry = shared('symbol-to-string-registry');
	var WellKnownSymbolsStore$1 = shared('wks');
	var QObject = global_1.QObject;
	// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
	var USE_SETTER = !QObject || !QObject[PROTOTYPE$1] || !QObject[PROTOTYPE$1].findChild;

	// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
	var setSymbolDescriptor = descriptors && fails(function () {
	  return objectCreate(nativeDefineProperty$1({}, 'a', {
	    get: function () { return nativeDefineProperty$1(this, 'a', { value: 7 }).a; }
	  })).a != 7;
	}) ? function (O, P, Attributes) {
	  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor$2(ObjectPrototype$1, P);
	  if (ObjectPrototypeDescriptor) delete ObjectPrototype$1[P];
	  nativeDefineProperty$1(O, P, Attributes);
	  if (ObjectPrototypeDescriptor && O !== ObjectPrototype$1) {
	    nativeDefineProperty$1(ObjectPrototype$1, P, ObjectPrototypeDescriptor);
	  }
	} : nativeDefineProperty$1;

	var wrap = function (tag, description) {
	  var symbol = AllSymbols[tag] = objectCreate($Symbol[PROTOTYPE$1]);
	  setInternalState$1(symbol, {
	    type: SYMBOL,
	    tag: tag,
	    description: description
	  });
	  if (!descriptors) symbol.description = description;
	  return symbol;
	};

	var isSymbol = useSymbolAsUid ? function (it) {
	  return typeof it == 'symbol';
	} : function (it) {
	  return Object(it) instanceof $Symbol;
	};

	var $defineProperty = function defineProperty(O, P, Attributes) {
	  if (O === ObjectPrototype$1) $defineProperty(ObjectPrototypeSymbols, P, Attributes);
	  anObject(O);
	  var key = toPrimitive(P, true);
	  anObject(Attributes);
	  if (has(AllSymbols, key)) {
	    if (!Attributes.enumerable) {
	      if (!has(O, HIDDEN)) nativeDefineProperty$1(O, HIDDEN, createPropertyDescriptor(1, {}));
	      O[HIDDEN][key] = true;
	    } else {
	      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;
	      Attributes = objectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });
	    } return setSymbolDescriptor(O, key, Attributes);
	  } return nativeDefineProperty$1(O, key, Attributes);
	};

	var $defineProperties = function defineProperties(O, Properties) {
	  anObject(O);
	  var properties = toIndexedObject(Properties);
	  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
	  $forEach$1(keys, function (key) {
	    if (!descriptors || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);
	  });
	  return O;
	};

	var $create = function create(O, Properties) {
	  return Properties === undefined ? objectCreate(O) : $defineProperties(objectCreate(O), Properties);
	};

	var $propertyIsEnumerable = function propertyIsEnumerable(V) {
	  var P = toPrimitive(V, true);
	  var enumerable = nativePropertyIsEnumerable$1.call(this, P);
	  if (this === ObjectPrototype$1 && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;
	  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
	};

	var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
	  var it = toIndexedObject(O);
	  var key = toPrimitive(P, true);
	  if (it === ObjectPrototype$1 && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;
	  var descriptor = nativeGetOwnPropertyDescriptor$2(it, key);
	  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
	    descriptor.enumerable = true;
	  }
	  return descriptor;
	};

	var $getOwnPropertyNames = function getOwnPropertyNames(O) {
	  var names = nativeGetOwnPropertyNames$2(toIndexedObject(O));
	  var result = [];
	  $forEach$1(names, function (key) {
	    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);
	  });
	  return result;
	};

	var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
	  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype$1;
	  var names = nativeGetOwnPropertyNames$2(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
	  var result = [];
	  $forEach$1(names, function (key) {
	    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype$1, key))) {
	      result.push(AllSymbols[key]);
	    }
	  });
	  return result;
	};

	// `Symbol` constructor
	// https://tc39.es/ecma262/#sec-symbol-constructor
	if (!nativeSymbol) {
	  $Symbol = function Symbol() {
	    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');
	    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
	    var tag = uid(description);
	    var setter = function (value) {
	      if (this === ObjectPrototype$1) setter.call(ObjectPrototypeSymbols, value);
	      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
	      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
	    };
	    if (descriptors && USE_SETTER) setSymbolDescriptor(ObjectPrototype$1, tag, { configurable: true, set: setter });
	    return wrap(tag, description);
	  };

	  redefine($Symbol[PROTOTYPE$1], 'toString', function toString() {
	    return getInternalState(this).tag;
	  });

	  redefine($Symbol, 'withoutSetter', function (description) {
	    return wrap(uid(description), description);
	  });

	  objectPropertyIsEnumerable.f = $propertyIsEnumerable;
	  objectDefineProperty.f = $defineProperty;
	  objectGetOwnPropertyDescriptor.f = $getOwnPropertyDescriptor;
	  objectGetOwnPropertyNames.f = objectGetOwnPropertyNamesExternal.f = $getOwnPropertyNames;
	  objectGetOwnPropertySymbols.f = $getOwnPropertySymbols;

	  wellKnownSymbolWrapped.f = function (name) {
	    return wrap(wellKnownSymbol(name), name);
	  };

	  if (descriptors) {
	    // https://github.com/tc39/proposal-Symbol-description
	    nativeDefineProperty$1($Symbol[PROTOTYPE$1], 'description', {
	      configurable: true,
	      get: function description() {
	        return getInternalState(this).description;
	      }
	    });
	    {
	      redefine(ObjectPrototype$1, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });
	    }
	  }
	}

	_export({ global: true, wrap: true, forced: !nativeSymbol, sham: !nativeSymbol }, {
	  Symbol: $Symbol
	});

	$forEach$1(objectKeys(WellKnownSymbolsStore$1), function (name) {
	  defineWellKnownSymbol(name);
	});

	_export({ target: SYMBOL, stat: true, forced: !nativeSymbol }, {
	  // `Symbol.for` method
	  // https://tc39.es/ecma262/#sec-symbol.for
	  'for': function (key) {
	    var string = String(key);
	    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];
	    var symbol = $Symbol(string);
	    StringToSymbolRegistry[string] = symbol;
	    SymbolToStringRegistry[symbol] = string;
	    return symbol;
	  },
	  // `Symbol.keyFor` method
	  // https://tc39.es/ecma262/#sec-symbol.keyfor
	  keyFor: function keyFor(sym) {
	    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');
	    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];
	  },
	  useSetter: function () { USE_SETTER = true; },
	  useSimple: function () { USE_SETTER = false; }
	});

	_export({ target: 'Object', stat: true, forced: !nativeSymbol, sham: !descriptors }, {
	  // `Object.create` method
	  // https://tc39.es/ecma262/#sec-object.create
	  create: $create,
	  // `Object.defineProperty` method
	  // https://tc39.es/ecma262/#sec-object.defineproperty
	  defineProperty: $defineProperty,
	  // `Object.defineProperties` method
	  // https://tc39.es/ecma262/#sec-object.defineproperties
	  defineProperties: $defineProperties,
	  // `Object.getOwnPropertyDescriptor` method
	  // https://tc39.es/ecma262/#sec-object.getownpropertydescriptors
	  getOwnPropertyDescriptor: $getOwnPropertyDescriptor
	});

	_export({ target: 'Object', stat: true, forced: !nativeSymbol }, {
	  // `Object.getOwnPropertyNames` method
	  // https://tc39.es/ecma262/#sec-object.getownpropertynames
	  getOwnPropertyNames: $getOwnPropertyNames,
	  // `Object.getOwnPropertySymbols` method
	  // https://tc39.es/ecma262/#sec-object.getownpropertysymbols
	  getOwnPropertySymbols: $getOwnPropertySymbols
	});

	// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives
	// https://bugs.chromium.org/p/v8/issues/detail?id=3443
	_export({ target: 'Object', stat: true, forced: fails(function () { objectGetOwnPropertySymbols.f(1); }) }, {
	  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
	    return objectGetOwnPropertySymbols.f(toObject(it));
	  }
	});

	// `JSON.stringify` method behavior with symbols
	// https://tc39.es/ecma262/#sec-json.stringify
	if ($stringify) {
	  var FORCED_JSON_STRINGIFY = !nativeSymbol || fails(function () {
	    var symbol = $Symbol();
	    // MS Edge converts symbol values to JSON as {}
	    return $stringify([symbol]) != '[null]'
	      // WebKit converts symbol values to JSON as null
	      || $stringify({ a: symbol }) != '{}'
	      // V8 throws on boxed symbols
	      || $stringify(Object(symbol)) != '{}';
	  });

	  _export({ target: 'JSON', stat: true, forced: FORCED_JSON_STRINGIFY }, {
	    // eslint-disable-next-line no-unused-vars
	    stringify: function stringify(it, replacer, space) {
	      var args = [it];
	      var index = 1;
	      var $replacer;
	      while (arguments.length > index) args.push(arguments[index++]);
	      $replacer = replacer;
	      if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
	      if (!isArray(replacer)) replacer = function (key, value) {
	        if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
	        if (!isSymbol(value)) return value;
	      };
	      args[1] = replacer;
	      return $stringify.apply(null, args);
	    }
	  });
	}

	// `Symbol.prototype[@@toPrimitive]` method
	// https://tc39.es/ecma262/#sec-symbol.prototype-@@toprimitive
	if (!$Symbol[PROTOTYPE$1][TO_PRIMITIVE]) {
	  createNonEnumerableProperty($Symbol[PROTOTYPE$1], TO_PRIMITIVE, $Symbol[PROTOTYPE$1].valueOf);
	}
	// `Symbol.prototype[@@toStringTag]` property
	// https://tc39.es/ecma262/#sec-symbol.prototype-@@tostringtag
	setToStringTag($Symbol, SYMBOL);

	hiddenKeys[HIDDEN] = true;

	var defineProperty$7 = objectDefineProperty.f;


	var NativeSymbol = global_1.Symbol;

	if (descriptors && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) ||
	  // Safari 12 bug
	  NativeSymbol().description !== undefined
	)) {
	  var EmptyStringDescriptionStore = {};
	  // wrap Symbol constructor for correct work with undefined description
	  var SymbolWrapper = function Symbol() {
	    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);
	    var result = this instanceof SymbolWrapper
	      ? new NativeSymbol(description)
	      // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'
	      : description === undefined ? NativeSymbol() : NativeSymbol(description);
	    if (description === '') EmptyStringDescriptionStore[result] = true;
	    return result;
	  };
	  copyConstructorProperties(SymbolWrapper, NativeSymbol);
	  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;
	  symbolPrototype.constructor = SymbolWrapper;

	  var symbolToString = symbolPrototype.toString;
	  var native = String(NativeSymbol('test')) == 'Symbol(test)';
	  var regexp = /^Symbol\((.*)\)[^)]+$/;
	  defineProperty$7(symbolPrototype, 'description', {
	    configurable: true,
	    get: function description() {
	      var symbol = isObject(this) ? this.valueOf() : this;
	      var string = symbolToString.call(symbol);
	      if (has(EmptyStringDescriptionStore, symbol)) return '';
	      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');
	      return desc === '' ? undefined : desc;
	    }
	  });

	  _export({ global: true, forced: true }, {
	    Symbol: SymbolWrapper
	  });
	}

	// `Symbol.species` well-known symbol
	// https://tc39.es/ecma262/#sec-symbol.species
	defineWellKnownSymbol('species');

	// `Array.prototype.fill` method implementation
	// https://tc39.es/ecma262/#sec-array.prototype.fill
	var arrayFill = function fill(value /* , start = 0, end = @length */) {
	  var O = toObject(this);
	  var length = toLength(O.length);
	  var argumentsLength = arguments.length;
	  var index = toAbsoluteIndex(argumentsLength > 1 ? arguments[1] : undefined, length);
	  var end = argumentsLength > 2 ? arguments[2] : undefined;
	  var endPos = end === undefined ? length : toAbsoluteIndex(end, length);
	  while (endPos > index) O[index++] = value;
	  return O;
	};

	var UNSCOPABLES = wellKnownSymbol('unscopables');
	var ArrayPrototype = Array.prototype;

	// Array.prototype[@@unscopables]
	// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
	if (ArrayPrototype[UNSCOPABLES] == undefined) {
	  objectDefineProperty.f(ArrayPrototype, UNSCOPABLES, {
	    configurable: true,
	    value: objectCreate(null)
	  });
	}

	// add a key to Array.prototype[@@unscopables]
	var addToUnscopables = function (key) {
	  ArrayPrototype[UNSCOPABLES][key] = true;
	};

	// `Array.prototype.fill` method
	// https://tc39.es/ecma262/#sec-array.prototype.fill
	_export({ target: 'Array', proto: true }, {
	  fill: arrayFill
	});

	// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
	addToUnscopables('fill');

	var $includes = arrayIncludes.includes;



	var USES_TO_LENGTH$4 = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });

	// `Array.prototype.includes` method
	// https://tc39.es/ecma262/#sec-array.prototype.includes
	_export({ target: 'Array', proto: true, forced: !USES_TO_LENGTH$4 }, {
	  includes: function includes(el /* , fromIndex = 0 */) {
	    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
	addToUnscopables('includes');

	var iterators = {};

	var ITERATOR = wellKnownSymbol('iterator');
	var BUGGY_SAFARI_ITERATORS = false;

	var returnThis = function () { return this; };

	// `%IteratorPrototype%` object
	// https://tc39.es/ecma262/#sec-%iteratorprototype%-object
	var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;

	if ([].keys) {
	  arrayIterator = [].keys();
	  // Safari 8 has buggy iterators w/o `next`
	  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;
	  else {
	    PrototypeOfArrayIteratorPrototype = objectGetPrototypeOf(objectGetPrototypeOf(arrayIterator));
	    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;
	  }
	}

	var NEW_ITERATOR_PROTOTYPE = IteratorPrototype == undefined || fails(function () {
	  var test = {};
	  // FF44- legacy iterators case
	  return IteratorPrototype[ITERATOR].call(test) !== test;
	});

	if (NEW_ITERATOR_PROTOTYPE) IteratorPrototype = {};

	// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
	if ( !has(IteratorPrototype, ITERATOR)) {
	  createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);
	}

	var iteratorsCore = {
	  IteratorPrototype: IteratorPrototype,
	  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
	};

	var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;





	var returnThis$1 = function () { return this; };

	var createIteratorConstructor = function (IteratorConstructor, NAME, next) {
	  var TO_STRING_TAG = NAME + ' Iterator';
	  IteratorConstructor.prototype = objectCreate(IteratorPrototype$1, { next: createPropertyDescriptor(1, next) });
	  setToStringTag(IteratorConstructor, TO_STRING_TAG, false);
	  iterators[TO_STRING_TAG] = returnThis$1;
	  return IteratorConstructor;
	};

	var IteratorPrototype$2 = iteratorsCore.IteratorPrototype;
	var BUGGY_SAFARI_ITERATORS$1 = iteratorsCore.BUGGY_SAFARI_ITERATORS;
	var ITERATOR$1 = wellKnownSymbol('iterator');
	var KEYS = 'keys';
	var VALUES = 'values';
	var ENTRIES = 'entries';

	var returnThis$2 = function () { return this; };

	var defineIterator = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
	  createIteratorConstructor(IteratorConstructor, NAME, next);

	  var getIterationMethod = function (KIND) {
	    if (KIND === DEFAULT && defaultIterator) return defaultIterator;
	    if (!BUGGY_SAFARI_ITERATORS$1 && KIND in IterablePrototype) return IterablePrototype[KIND];
	    switch (KIND) {
	      case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };
	      case VALUES: return function values() { return new IteratorConstructor(this, KIND); };
	      case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };
	    } return function () { return new IteratorConstructor(this); };
	  };

	  var TO_STRING_TAG = NAME + ' Iterator';
	  var INCORRECT_VALUES_NAME = false;
	  var IterablePrototype = Iterable.prototype;
	  var nativeIterator = IterablePrototype[ITERATOR$1]
	    || IterablePrototype['@@iterator']
	    || DEFAULT && IterablePrototype[DEFAULT];
	  var defaultIterator = !BUGGY_SAFARI_ITERATORS$1 && nativeIterator || getIterationMethod(DEFAULT);
	  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
	  var CurrentIteratorPrototype, methods, KEY;

	  // fix native
	  if (anyNativeIterator) {
	    CurrentIteratorPrototype = objectGetPrototypeOf(anyNativeIterator.call(new Iterable()));
	    if (IteratorPrototype$2 !== Object.prototype && CurrentIteratorPrototype.next) {
	      if ( objectGetPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype$2) {
	        if (objectSetPrototypeOf) {
	          objectSetPrototypeOf(CurrentIteratorPrototype, IteratorPrototype$2);
	        } else if (typeof CurrentIteratorPrototype[ITERATOR$1] != 'function') {
	          createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR$1, returnThis$2);
	        }
	      }
	      // Set @@toStringTag to native iterators
	      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true);
	    }
	  }

	  // fix Array#{values, @@iterator}.name in V8 / FF
	  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
	    INCORRECT_VALUES_NAME = true;
	    defaultIterator = function values() { return nativeIterator.call(this); };
	  }

	  // define iterator
	  if ( IterablePrototype[ITERATOR$1] !== defaultIterator) {
	    createNonEnumerableProperty(IterablePrototype, ITERATOR$1, defaultIterator);
	  }
	  iterators[NAME] = defaultIterator;

	  // export additional methods
	  if (DEFAULT) {
	    methods = {
	      values: getIterationMethod(VALUES),
	      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
	      entries: getIterationMethod(ENTRIES)
	    };
	    if (FORCED) for (KEY in methods) {
	      if (BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
	        redefine(IterablePrototype, KEY, methods[KEY]);
	      }
	    } else _export({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME }, methods);
	  }

	  return methods;
	};

	var ARRAY_ITERATOR = 'Array Iterator';
	var setInternalState$2 = internalState.set;
	var getInternalState$1 = internalState.getterFor(ARRAY_ITERATOR);

	// `Array.prototype.entries` method
	// https://tc39.es/ecma262/#sec-array.prototype.entries
	// `Array.prototype.keys` method
	// https://tc39.es/ecma262/#sec-array.prototype.keys
	// `Array.prototype.values` method
	// https://tc39.es/ecma262/#sec-array.prototype.values
	// `Array.prototype[@@iterator]` method
	// https://tc39.es/ecma262/#sec-array.prototype-@@iterator
	// `CreateArrayIterator` internal method
	// https://tc39.es/ecma262/#sec-createarrayiterator
	var es_array_iterator = defineIterator(Array, 'Array', function (iterated, kind) {
	  setInternalState$2(this, {
	    type: ARRAY_ITERATOR,
	    target: toIndexedObject(iterated), // target
	    index: 0,                          // next index
	    kind: kind                         // kind
	  });
	// `%ArrayIteratorPrototype%.next` method
	// https://tc39.es/ecma262/#sec-%arrayiteratorprototype%.next
	}, function () {
	  var state = getInternalState$1(this);
	  var target = state.target;
	  var kind = state.kind;
	  var index = state.index++;
	  if (!target || index >= target.length) {
	    state.target = undefined;
	    return { value: undefined, done: true };
	  }
	  if (kind == 'keys') return { value: index, done: false };
	  if (kind == 'values') return { value: target[index], done: false };
	  return { value: [index, target[index]], done: false };
	}, 'values');

	// argumentsList[@@iterator] is %ArrayProto_values%
	// https://tc39.es/ecma262/#sec-createunmappedargumentsobject
	// https://tc39.es/ecma262/#sec-createmappedargumentsobject
	iterators.Arguments = iterators.Array;

	// https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
	addToUnscopables('keys');
	addToUnscopables('values');
	addToUnscopables('entries');

	var HAS_SPECIES_SUPPORT$3 = arrayMethodHasSpeciesSupport('slice');
	var USES_TO_LENGTH$5 = arrayMethodUsesToLength('slice', { ACCESSORS: true, 0: 0, 1: 2 });

	var SPECIES$5 = wellKnownSymbol('species');
	var nativeSlice = [].slice;
	var max$3 = Math.max;

	// `Array.prototype.slice` method
	// https://tc39.es/ecma262/#sec-array.prototype.slice
	// fallback for not array-like ES3 strings and DOM objects
	_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT$3 || !USES_TO_LENGTH$5 }, {
	  slice: function slice(start, end) {
	    var O = toIndexedObject(this);
	    var length = toLength(O.length);
	    var k = toAbsoluteIndex(start, length);
	    var fin = toAbsoluteIndex(end === undefined ? length : end, length);
	    // inline `ArraySpeciesCreate` for usage native `Array#slice` where it's possible
	    var Constructor, result, n;
	    if (isArray(O)) {
	      Constructor = O.constructor;
	      // cross-realm fallback
	      if (typeof Constructor == 'function' && (Constructor === Array || isArray(Constructor.prototype))) {
	        Constructor = undefined;
	      } else if (isObject(Constructor)) {
	        Constructor = Constructor[SPECIES$5];
	        if (Constructor === null) Constructor = undefined;
	      }
	      if (Constructor === Array || Constructor === undefined) {
	        return nativeSlice.call(O, k, fin);
	      }
	    }
	    result = new (Constructor === undefined ? Array : Constructor)(max$3(fin - k, 0));
	    for (n = 0; k < fin; k++, n++) if (k in O) createProperty(result, n, O[k]);
	    result.length = n;
	    return result;
	  }
	});

	// `Array[@@species]` getter
	// https://tc39.es/ecma262/#sec-get-array-@@species
	setSpecies('Array');

	var arrayBufferNative = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';

	var redefineAll = function (target, src, options) {
	  for (var key in src) redefine(target, key, src[key], options);
	  return target;
	};

	var anInstance = function (it, Constructor, name) {
	  if (!(it instanceof Constructor)) {
	    throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
	  } return it;
	};

	// `ToIndex` abstract operation
	// https://tc39.es/ecma262/#sec-toindex
	var toIndex = function (it) {
	  if (it === undefined) return 0;
	  var number = toInteger(it);
	  var length = toLength(number);
	  if (number !== length) throw RangeError('Wrong length or index');
	  return length;
	};

	// IEEE754 conversions based on https://github.com/feross/ieee754
	// eslint-disable-next-line no-shadow-restricted-names
	var Infinity$1 = 1 / 0;
	var abs = Math.abs;
	var pow = Math.pow;
	var floor$2 = Math.floor;
	var log = Math.log;
	var LN2 = Math.LN2;

	var pack = function (number, mantissaLength, bytes) {
	  var buffer = new Array(bytes);
	  var exponentLength = bytes * 8 - mantissaLength - 1;
	  var eMax = (1 << exponentLength) - 1;
	  var eBias = eMax >> 1;
	  var rt = mantissaLength === 23 ? pow(2, -24) - pow(2, -77) : 0;
	  var sign = number < 0 || number === 0 && 1 / number < 0 ? 1 : 0;
	  var index = 0;
	  var exponent, mantissa, c;
	  number = abs(number);
	  // eslint-disable-next-line no-self-compare
	  if (number != number || number === Infinity$1) {
	    // eslint-disable-next-line no-self-compare
	    mantissa = number != number ? 1 : 0;
	    exponent = eMax;
	  } else {
	    exponent = floor$2(log(number) / LN2);
	    if (number * (c = pow(2, -exponent)) < 1) {
	      exponent--;
	      c *= 2;
	    }
	    if (exponent + eBias >= 1) {
	      number += rt / c;
	    } else {
	      number += rt * pow(2, 1 - eBias);
	    }
	    if (number * c >= 2) {
	      exponent++;
	      c /= 2;
	    }
	    if (exponent + eBias >= eMax) {
	      mantissa = 0;
	      exponent = eMax;
	    } else if (exponent + eBias >= 1) {
	      mantissa = (number * c - 1) * pow(2, mantissaLength);
	      exponent = exponent + eBias;
	    } else {
	      mantissa = number * pow(2, eBias - 1) * pow(2, mantissaLength);
	      exponent = 0;
	    }
	  }
	  for (; mantissaLength >= 8; buffer[index++] = mantissa & 255, mantissa /= 256, mantissaLength -= 8);
	  exponent = exponent << mantissaLength | mantissa;
	  exponentLength += mantissaLength;
	  for (; exponentLength > 0; buffer[index++] = exponent & 255, exponent /= 256, exponentLength -= 8);
	  buffer[--index] |= sign * 128;
	  return buffer;
	};

	var unpack = function (buffer, mantissaLength) {
	  var bytes = buffer.length;
	  var exponentLength = bytes * 8 - mantissaLength - 1;
	  var eMax = (1 << exponentLength) - 1;
	  var eBias = eMax >> 1;
	  var nBits = exponentLength - 7;
	  var index = bytes - 1;
	  var sign = buffer[index--];
	  var exponent = sign & 127;
	  var mantissa;
	  sign >>= 7;
	  for (; nBits > 0; exponent = exponent * 256 + buffer[index], index--, nBits -= 8);
	  mantissa = exponent & (1 << -nBits) - 1;
	  exponent >>= -nBits;
	  nBits += mantissaLength;
	  for (; nBits > 0; mantissa = mantissa * 256 + buffer[index], index--, nBits -= 8);
	  if (exponent === 0) {
	    exponent = 1 - eBias;
	  } else if (exponent === eMax) {
	    return mantissa ? NaN : sign ? -Infinity$1 : Infinity$1;
	  } else {
	    mantissa = mantissa + pow(2, mantissaLength);
	    exponent = exponent - eBias;
	  } return (sign ? -1 : 1) * mantissa * pow(2, exponent - mantissaLength);
	};

	var ieee754 = {
	  pack: pack,
	  unpack: unpack
	};

	var getOwnPropertyNames$2 = objectGetOwnPropertyNames.f;
	var defineProperty$8 = objectDefineProperty.f;




	var getInternalState$2 = internalState.get;
	var setInternalState$3 = internalState.set;
	var ARRAY_BUFFER = 'ArrayBuffer';
	var DATA_VIEW = 'DataView';
	var PROTOTYPE$2 = 'prototype';
	var WRONG_LENGTH = 'Wrong length';
	var WRONG_INDEX = 'Wrong index';
	var NativeArrayBuffer = global_1[ARRAY_BUFFER];
	var $ArrayBuffer = NativeArrayBuffer;
	var $DataView = global_1[DATA_VIEW];
	var $DataViewPrototype = $DataView && $DataView[PROTOTYPE$2];
	var ObjectPrototype$2 = Object.prototype;
	var RangeError$1 = global_1.RangeError;

	var packIEEE754 = ieee754.pack;
	var unpackIEEE754 = ieee754.unpack;

	var packInt8 = function (number) {
	  return [number & 0xFF];
	};

	var packInt16 = function (number) {
	  return [number & 0xFF, number >> 8 & 0xFF];
	};

	var packInt32 = function (number) {
	  return [number & 0xFF, number >> 8 & 0xFF, number >> 16 & 0xFF, number >> 24 & 0xFF];
	};

	var unpackInt32 = function (buffer) {
	  return buffer[3] << 24 | buffer[2] << 16 | buffer[1] << 8 | buffer[0];
	};

	var packFloat32 = function (number) {
	  return packIEEE754(number, 23, 4);
	};

	var packFloat64 = function (number) {
	  return packIEEE754(number, 52, 8);
	};

	var addGetter = function (Constructor, key) {
	  defineProperty$8(Constructor[PROTOTYPE$2], key, { get: function () { return getInternalState$2(this)[key]; } });
	};

	var get$1 = function (view, count, index, isLittleEndian) {
	  var intIndex = toIndex(index);
	  var store = getInternalState$2(view);
	  if (intIndex + count > store.byteLength) throw RangeError$1(WRONG_INDEX);
	  var bytes = getInternalState$2(store.buffer).bytes;
	  var start = intIndex + store.byteOffset;
	  var pack = bytes.slice(start, start + count);
	  return isLittleEndian ? pack : pack.reverse();
	};

	var set$1 = function (view, count, index, conversion, value, isLittleEndian) {
	  var intIndex = toIndex(index);
	  var store = getInternalState$2(view);
	  if (intIndex + count > store.byteLength) throw RangeError$1(WRONG_INDEX);
	  var bytes = getInternalState$2(store.buffer).bytes;
	  var start = intIndex + store.byteOffset;
	  var pack = conversion(+value);
	  for (var i = 0; i < count; i++) bytes[start + i] = pack[isLittleEndian ? i : count - i - 1];
	};

	if (!arrayBufferNative) {
	  $ArrayBuffer = function ArrayBuffer(length) {
	    anInstance(this, $ArrayBuffer, ARRAY_BUFFER);
	    var byteLength = toIndex(length);
	    setInternalState$3(this, {
	      bytes: arrayFill.call(new Array(byteLength), 0),
	      byteLength: byteLength
	    });
	    if (!descriptors) this.byteLength = byteLength;
	  };

	  $DataView = function DataView(buffer, byteOffset, byteLength) {
	    anInstance(this, $DataView, DATA_VIEW);
	    anInstance(buffer, $ArrayBuffer, DATA_VIEW);
	    var bufferLength = getInternalState$2(buffer).byteLength;
	    var offset = toInteger(byteOffset);
	    if (offset < 0 || offset > bufferLength) throw RangeError$1('Wrong offset');
	    byteLength = byteLength === undefined ? bufferLength - offset : toLength(byteLength);
	    if (offset + byteLength > bufferLength) throw RangeError$1(WRONG_LENGTH);
	    setInternalState$3(this, {
	      buffer: buffer,
	      byteLength: byteLength,
	      byteOffset: offset
	    });
	    if (!descriptors) {
	      this.buffer = buffer;
	      this.byteLength = byteLength;
	      this.byteOffset = offset;
	    }
	  };

	  if (descriptors) {
	    addGetter($ArrayBuffer, 'byteLength');
	    addGetter($DataView, 'buffer');
	    addGetter($DataView, 'byteLength');
	    addGetter($DataView, 'byteOffset');
	  }

	  redefineAll($DataView[PROTOTYPE$2], {
	    getInt8: function getInt8(byteOffset) {
	      return get$1(this, 1, byteOffset)[0] << 24 >> 24;
	    },
	    getUint8: function getUint8(byteOffset) {
	      return get$1(this, 1, byteOffset)[0];
	    },
	    getInt16: function getInt16(byteOffset /* , littleEndian */) {
	      var bytes = get$1(this, 2, byteOffset, arguments.length > 1 ? arguments[1] : undefined);
	      return (bytes[1] << 8 | bytes[0]) << 16 >> 16;
	    },
	    getUint16: function getUint16(byteOffset /* , littleEndian */) {
	      var bytes = get$1(this, 2, byteOffset, arguments.length > 1 ? arguments[1] : undefined);
	      return bytes[1] << 8 | bytes[0];
	    },
	    getInt32: function getInt32(byteOffset /* , littleEndian */) {
	      return unpackInt32(get$1(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined));
	    },
	    getUint32: function getUint32(byteOffset /* , littleEndian */) {
	      return unpackInt32(get$1(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined)) >>> 0;
	    },
	    getFloat32: function getFloat32(byteOffset /* , littleEndian */) {
	      return unpackIEEE754(get$1(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined), 23);
	    },
	    getFloat64: function getFloat64(byteOffset /* , littleEndian */) {
	      return unpackIEEE754(get$1(this, 8, byteOffset, arguments.length > 1 ? arguments[1] : undefined), 52);
	    },
	    setInt8: function setInt8(byteOffset, value) {
	      set$1(this, 1, byteOffset, packInt8, value);
	    },
	    setUint8: function setUint8(byteOffset, value) {
	      set$1(this, 1, byteOffset, packInt8, value);
	    },
	    setInt16: function setInt16(byteOffset, value /* , littleEndian */) {
	      set$1(this, 2, byteOffset, packInt16, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setUint16: function setUint16(byteOffset, value /* , littleEndian */) {
	      set$1(this, 2, byteOffset, packInt16, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setInt32: function setInt32(byteOffset, value /* , littleEndian */) {
	      set$1(this, 4, byteOffset, packInt32, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setUint32: function setUint32(byteOffset, value /* , littleEndian */) {
	      set$1(this, 4, byteOffset, packInt32, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setFloat32: function setFloat32(byteOffset, value /* , littleEndian */) {
	      set$1(this, 4, byteOffset, packFloat32, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setFloat64: function setFloat64(byteOffset, value /* , littleEndian */) {
	      set$1(this, 8, byteOffset, packFloat64, value, arguments.length > 2 ? arguments[2] : undefined);
	    }
	  });
	} else {
	  if (!fails(function () {
	    NativeArrayBuffer(1);
	  }) || !fails(function () {
	    new NativeArrayBuffer(-1); // eslint-disable-line no-new
	  }) || fails(function () {
	    new NativeArrayBuffer(); // eslint-disable-line no-new
	    new NativeArrayBuffer(1.5); // eslint-disable-line no-new
	    new NativeArrayBuffer(NaN); // eslint-disable-line no-new
	    return NativeArrayBuffer.name != ARRAY_BUFFER;
	  })) {
	    $ArrayBuffer = function ArrayBuffer(length) {
	      anInstance(this, $ArrayBuffer);
	      return new NativeArrayBuffer(toIndex(length));
	    };
	    var ArrayBufferPrototype = $ArrayBuffer[PROTOTYPE$2] = NativeArrayBuffer[PROTOTYPE$2];
	    for (var keys$3 = getOwnPropertyNames$2(NativeArrayBuffer), j$1 = 0, key$1; keys$3.length > j$1;) {
	      if (!((key$1 = keys$3[j$1++]) in $ArrayBuffer)) {
	        createNonEnumerableProperty($ArrayBuffer, key$1, NativeArrayBuffer[key$1]);
	      }
	    }
	    ArrayBufferPrototype.constructor = $ArrayBuffer;
	  }

	  // WebKit bug - the same parent prototype for typed arrays and data view
	  if (objectSetPrototypeOf && objectGetPrototypeOf($DataViewPrototype) !== ObjectPrototype$2) {
	    objectSetPrototypeOf($DataViewPrototype, ObjectPrototype$2);
	  }

	  // iOS Safari 7.x bug
	  var testView = new $DataView(new $ArrayBuffer(2));
	  var nativeSetInt8 = $DataViewPrototype.setInt8;
	  testView.setInt8(0, 2147483648);
	  testView.setInt8(1, 2147483649);
	  if (testView.getInt8(0) || !testView.getInt8(1)) redefineAll($DataViewPrototype, {
	    setInt8: function setInt8(byteOffset, value) {
	      nativeSetInt8.call(this, byteOffset, value << 24 >> 24);
	    },
	    setUint8: function setUint8(byteOffset, value) {
	      nativeSetInt8.call(this, byteOffset, value << 24 >> 24);
	    }
	  }, { unsafe: true });
	}

	setToStringTag($ArrayBuffer, ARRAY_BUFFER);
	setToStringTag($DataView, DATA_VIEW);

	var arrayBuffer = {
	  ArrayBuffer: $ArrayBuffer,
	  DataView: $DataView
	};

	var ARRAY_BUFFER$1 = 'ArrayBuffer';
	var ArrayBuffer$1 = arrayBuffer[ARRAY_BUFFER$1];
	var NativeArrayBuffer$1 = global_1[ARRAY_BUFFER$1];

	// `ArrayBuffer` constructor
	// https://tc39.es/ecma262/#sec-arraybuffer-constructor
	_export({ global: true, forced: NativeArrayBuffer$1 !== ArrayBuffer$1 }, {
	  ArrayBuffer: ArrayBuffer$1
	});

	setSpecies(ARRAY_BUFFER$1);

	var notARegexp = function (it) {
	  if (isRegexp(it)) {
	    throw TypeError("The method doesn't accept regular expressions");
	  } return it;
	};

	var MATCH$2 = wellKnownSymbol('match');

	var correctIsRegexpLogic = function (METHOD_NAME) {
	  var regexp = /./;
	  try {
	    '/./'[METHOD_NAME](regexp);
	  } catch (error1) {
	    try {
	      regexp[MATCH$2] = false;
	      return '/./'[METHOD_NAME](regexp);
	    } catch (error2) { /* empty */ }
	  } return false;
	};

	// `String.prototype.includes` method
	// https://tc39.es/ecma262/#sec-string.prototype.includes
	_export({ target: 'String', proto: true, forced: !correctIsRegexpLogic('includes') }, {
	  includes: function includes(searchString /* , position = 0 */) {
	    return !!~String(requireObjectCoercible(this))
	      .indexOf(notARegexp(searchString), arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var non = '\u200B\u0085\u180E';

	// check that a method works with the correct list
	// of whitespaces and has a correct name
	var stringTrimForced = function (METHOD_NAME) {
	  return fails(function () {
	    return !!whitespaces[METHOD_NAME]() || non[METHOD_NAME]() != non || whitespaces[METHOD_NAME].name !== METHOD_NAME;
	  });
	};

	var $trim = stringTrim.trim;


	// `String.prototype.trim` method
	// https://tc39.es/ecma262/#sec-string.prototype.trim
	_export({ target: 'String', proto: true, forced: stringTrimForced('trim') }, {
	  trim: function trim() {
	    return $trim(this);
	  }
	});

	var ITERATOR$2 = wellKnownSymbol('iterator');
	var SAFE_CLOSING = false;

	try {
	  var called = 0;
	  var iteratorWithReturn = {
	    next: function () {
	      return { done: !!called++ };
	    },
	    'return': function () {
	      SAFE_CLOSING = true;
	    }
	  };
	  iteratorWithReturn[ITERATOR$2] = function () {
	    return this;
	  };
	  // eslint-disable-next-line no-throw-literal
	  Array.from(iteratorWithReturn, function () { throw 2; });
	} catch (error) { /* empty */ }

	var checkCorrectnessOfIteration = function (exec, SKIP_CLOSING) {
	  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
	  var ITERATION_SUPPORT = false;
	  try {
	    var object = {};
	    object[ITERATOR$2] = function () {
	      return {
	        next: function () {
	          return { done: ITERATION_SUPPORT = true };
	        }
	      };
	    };
	    exec(object);
	  } catch (error) { /* empty */ }
	  return ITERATION_SUPPORT;
	};

	var defineProperty$9 = objectDefineProperty.f;





	var Int8Array$1 = global_1.Int8Array;
	var Int8ArrayPrototype = Int8Array$1 && Int8Array$1.prototype;
	var Uint8ClampedArray = global_1.Uint8ClampedArray;
	var Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;
	var TypedArray = Int8Array$1 && objectGetPrototypeOf(Int8Array$1);
	var TypedArrayPrototype = Int8ArrayPrototype && objectGetPrototypeOf(Int8ArrayPrototype);
	var ObjectPrototype$3 = Object.prototype;
	var isPrototypeOf = ObjectPrototype$3.isPrototypeOf;

	var TO_STRING_TAG$3 = wellKnownSymbol('toStringTag');
	var TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');
	// Fixing native typed arrays in Opera Presto crashes the browser, see #595
	var NATIVE_ARRAY_BUFFER_VIEWS = arrayBufferNative && !!objectSetPrototypeOf && classof(global_1.opera) !== 'Opera';
	var TYPED_ARRAY_TAG_REQIRED = false;
	var NAME$1;

	var TypedArrayConstructorsList = {
	  Int8Array: 1,
	  Uint8Array: 1,
	  Uint8ClampedArray: 1,
	  Int16Array: 2,
	  Uint16Array: 2,
	  Int32Array: 4,
	  Uint32Array: 4,
	  Float32Array: 4,
	  Float64Array: 8
	};

	var BigIntArrayConstructorsList = {
	  BigInt64Array: 8,
	  BigUint64Array: 8
	};

	var isView = function isView(it) {
	  if (!isObject(it)) return false;
	  var klass = classof(it);
	  return klass === 'DataView'
	    || has(TypedArrayConstructorsList, klass)
	    || has(BigIntArrayConstructorsList, klass);
	};

	var isTypedArray = function (it) {
	  if (!isObject(it)) return false;
	  var klass = classof(it);
	  return has(TypedArrayConstructorsList, klass)
	    || has(BigIntArrayConstructorsList, klass);
	};

	var aTypedArray = function (it) {
	  if (isTypedArray(it)) return it;
	  throw TypeError('Target is not a typed array');
	};

	var aTypedArrayConstructor = function (C) {
	  if (objectSetPrototypeOf) {
	    if (isPrototypeOf.call(TypedArray, C)) return C;
	  } else for (var ARRAY in TypedArrayConstructorsList) if (has(TypedArrayConstructorsList, NAME$1)) {
	    var TypedArrayConstructor = global_1[ARRAY];
	    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {
	      return C;
	    }
	  } throw TypeError('Target is not a typed array constructor');
	};

	var exportTypedArrayMethod = function (KEY, property, forced) {
	  if (!descriptors) return;
	  if (forced) for (var ARRAY in TypedArrayConstructorsList) {
	    var TypedArrayConstructor = global_1[ARRAY];
	    if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {
	      delete TypedArrayConstructor.prototype[KEY];
	    }
	  }
	  if (!TypedArrayPrototype[KEY] || forced) {
	    redefine(TypedArrayPrototype, KEY, forced ? property
	      : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);
	  }
	};

	var exportTypedArrayStaticMethod = function (KEY, property, forced) {
	  var ARRAY, TypedArrayConstructor;
	  if (!descriptors) return;
	  if (objectSetPrototypeOf) {
	    if (forced) for (ARRAY in TypedArrayConstructorsList) {
	      TypedArrayConstructor = global_1[ARRAY];
	      if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {
	        delete TypedArrayConstructor[KEY];
	      }
	    }
	    if (!TypedArray[KEY] || forced) {
	      // V8 ~ Chrome 49-50 `%TypedArray%` methods are non-writable non-configurable
	      try {
	        return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array$1[KEY] || property);
	      } catch (error) { /* empty */ }
	    } else return;
	  }
	  for (ARRAY in TypedArrayConstructorsList) {
	    TypedArrayConstructor = global_1[ARRAY];
	    if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {
	      redefine(TypedArrayConstructor, KEY, property);
	    }
	  }
	};

	for (NAME$1 in TypedArrayConstructorsList) {
	  if (!global_1[NAME$1]) NATIVE_ARRAY_BUFFER_VIEWS = false;
	}

	// WebKit bug - typed arrays constructors prototype is Object.prototype
	if (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {
	  // eslint-disable-next-line no-shadow
	  TypedArray = function TypedArray() {
	    throw TypeError('Incorrect invocation');
	  };
	  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME$1 in TypedArrayConstructorsList) {
	    if (global_1[NAME$1]) objectSetPrototypeOf(global_1[NAME$1], TypedArray);
	  }
	}

	if (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype$3) {
	  TypedArrayPrototype = TypedArray.prototype;
	  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME$1 in TypedArrayConstructorsList) {
	    if (global_1[NAME$1]) objectSetPrototypeOf(global_1[NAME$1].prototype, TypedArrayPrototype);
	  }
	}

	// WebKit bug - one more object in Uint8ClampedArray prototype chain
	if (NATIVE_ARRAY_BUFFER_VIEWS && objectGetPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {
	  objectSetPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);
	}

	if (descriptors && !has(TypedArrayPrototype, TO_STRING_TAG$3)) {
	  TYPED_ARRAY_TAG_REQIRED = true;
	  defineProperty$9(TypedArrayPrototype, TO_STRING_TAG$3, { get: function () {
	    return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;
	  } });
	  for (NAME$1 in TypedArrayConstructorsList) if (global_1[NAME$1]) {
	    createNonEnumerableProperty(global_1[NAME$1], TYPED_ARRAY_TAG, NAME$1);
	  }
	}

	var arrayBufferViewCore = {
	  NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,
	  TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,
	  aTypedArray: aTypedArray,
	  aTypedArrayConstructor: aTypedArrayConstructor,
	  exportTypedArrayMethod: exportTypedArrayMethod,
	  exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,
	  isView: isView,
	  isTypedArray: isTypedArray,
	  TypedArray: TypedArray,
	  TypedArrayPrototype: TypedArrayPrototype
	};

	/* eslint-disable no-new */



	var NATIVE_ARRAY_BUFFER_VIEWS$1 = arrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS;

	var ArrayBuffer$2 = global_1.ArrayBuffer;
	var Int8Array$2 = global_1.Int8Array;

	var typedArrayConstructorsRequireWrappers = !NATIVE_ARRAY_BUFFER_VIEWS$1 || !fails(function () {
	  Int8Array$2(1);
	}) || !fails(function () {
	  new Int8Array$2(-1);
	}) || !checkCorrectnessOfIteration(function (iterable) {
	  new Int8Array$2();
	  new Int8Array$2(null);
	  new Int8Array$2(1.5);
	  new Int8Array$2(iterable);
	}, true) || fails(function () {
	  // Safari (11+) bug - a reason why even Safari 13 should load a typed array polyfill
	  return new Int8Array$2(new ArrayBuffer$2(2), 1, undefined).length !== 1;
	});

	var toPositiveInteger = function (it) {
	  var result = toInteger(it);
	  if (result < 0) throw RangeError("The argument can't be less than 0");
	  return result;
	};

	var toOffset = function (it, BYTES) {
	  var offset = toPositiveInteger(it);
	  if (offset % BYTES) throw RangeError('Wrong offset');
	  return offset;
	};

	var ITERATOR$3 = wellKnownSymbol('iterator');

	var getIteratorMethod = function (it) {
	  if (it != undefined) return it[ITERATOR$3]
	    || it['@@iterator']
	    || iterators[classof(it)];
	};

	var ITERATOR$4 = wellKnownSymbol('iterator');
	var ArrayPrototype$1 = Array.prototype;

	// check on default Array iterator
	var isArrayIteratorMethod = function (it) {
	  return it !== undefined && (iterators.Array === it || ArrayPrototype$1[ITERATOR$4] === it);
	};

	var aTypedArrayConstructor$1 = arrayBufferViewCore.aTypedArrayConstructor;

	var typedArrayFrom = function from(source /* , mapfn, thisArg */) {
	  var O = toObject(source);
	  var argumentsLength = arguments.length;
	  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
	  var mapping = mapfn !== undefined;
	  var iteratorMethod = getIteratorMethod(O);
	  var i, length, result, step, iterator, next;
	  if (iteratorMethod != undefined && !isArrayIteratorMethod(iteratorMethod)) {
	    iterator = iteratorMethod.call(O);
	    next = iterator.next;
	    O = [];
	    while (!(step = next.call(iterator)).done) {
	      O.push(step.value);
	    }
	  }
	  if (mapping && argumentsLength > 2) {
	    mapfn = functionBindContext(mapfn, arguments[2], 2);
	  }
	  length = toLength(O.length);
	  result = new (aTypedArrayConstructor$1(this))(length);
	  for (i = 0; length > i; i++) {
	    result[i] = mapping ? mapfn(O[i], i) : O[i];
	  }
	  return result;
	};

	var typedArrayConstructor = createCommonjsModule(function (module) {


















	var getOwnPropertyNames = objectGetOwnPropertyNames.f;

	var forEach = arrayIteration.forEach;






	var getInternalState = internalState.get;
	var setInternalState = internalState.set;
	var nativeDefineProperty = objectDefineProperty.f;
	var nativeGetOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
	var round = Math.round;
	var RangeError = global_1.RangeError;
	var ArrayBuffer = arrayBuffer.ArrayBuffer;
	var DataView = arrayBuffer.DataView;
	var NATIVE_ARRAY_BUFFER_VIEWS = arrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS;
	var TYPED_ARRAY_TAG = arrayBufferViewCore.TYPED_ARRAY_TAG;
	var TypedArray = arrayBufferViewCore.TypedArray;
	var TypedArrayPrototype = arrayBufferViewCore.TypedArrayPrototype;
	var aTypedArrayConstructor = arrayBufferViewCore.aTypedArrayConstructor;
	var isTypedArray = arrayBufferViewCore.isTypedArray;
	var BYTES_PER_ELEMENT = 'BYTES_PER_ELEMENT';
	var WRONG_LENGTH = 'Wrong length';

	var fromList = function (C, list) {
	  var index = 0;
	  var length = list.length;
	  var result = new (aTypedArrayConstructor(C))(length);
	  while (length > index) result[index] = list[index++];
	  return result;
	};

	var addGetter = function (it, key) {
	  nativeDefineProperty(it, key, { get: function () {
	    return getInternalState(this)[key];
	  } });
	};

	var isArrayBuffer = function (it) {
	  var klass;
	  return it instanceof ArrayBuffer || (klass = classof(it)) == 'ArrayBuffer' || klass == 'SharedArrayBuffer';
	};

	var isTypedArrayIndex = function (target, key) {
	  return isTypedArray(target)
	    && typeof key != 'symbol'
	    && key in target
	    && String(+key) == String(key);
	};

	var wrappedGetOwnPropertyDescriptor = function getOwnPropertyDescriptor(target, key) {
	  return isTypedArrayIndex(target, key = toPrimitive(key, true))
	    ? createPropertyDescriptor(2, target[key])
	    : nativeGetOwnPropertyDescriptor(target, key);
	};

	var wrappedDefineProperty = function defineProperty(target, key, descriptor) {
	  if (isTypedArrayIndex(target, key = toPrimitive(key, true))
	    && isObject(descriptor)
	    && has(descriptor, 'value')
	    && !has(descriptor, 'get')
	    && !has(descriptor, 'set')
	    // TODO: add validation descriptor w/o calling accessors
	    && !descriptor.configurable
	    && (!has(descriptor, 'writable') || descriptor.writable)
	    && (!has(descriptor, 'enumerable') || descriptor.enumerable)
	  ) {
	    target[key] = descriptor.value;
	    return target;
	  } return nativeDefineProperty(target, key, descriptor);
	};

	if (descriptors) {
	  if (!NATIVE_ARRAY_BUFFER_VIEWS) {
	    objectGetOwnPropertyDescriptor.f = wrappedGetOwnPropertyDescriptor;
	    objectDefineProperty.f = wrappedDefineProperty;
	    addGetter(TypedArrayPrototype, 'buffer');
	    addGetter(TypedArrayPrototype, 'byteOffset');
	    addGetter(TypedArrayPrototype, 'byteLength');
	    addGetter(TypedArrayPrototype, 'length');
	  }

	  _export({ target: 'Object', stat: true, forced: !NATIVE_ARRAY_BUFFER_VIEWS }, {
	    getOwnPropertyDescriptor: wrappedGetOwnPropertyDescriptor,
	    defineProperty: wrappedDefineProperty
	  });

	  module.exports = function (TYPE, wrapper, CLAMPED) {
	    var BYTES = TYPE.match(/\d+$/)[0] / 8;
	    var CONSTRUCTOR_NAME = TYPE + (CLAMPED ? 'Clamped' : '') + 'Array';
	    var GETTER = 'get' + TYPE;
	    var SETTER = 'set' + TYPE;
	    var NativeTypedArrayConstructor = global_1[CONSTRUCTOR_NAME];
	    var TypedArrayConstructor = NativeTypedArrayConstructor;
	    var TypedArrayConstructorPrototype = TypedArrayConstructor && TypedArrayConstructor.prototype;
	    var exported = {};

	    var getter = function (that, index) {
	      var data = getInternalState(that);
	      return data.view[GETTER](index * BYTES + data.byteOffset, true);
	    };

	    var setter = function (that, index, value) {
	      var data = getInternalState(that);
	      if (CLAMPED) value = (value = round(value)) < 0 ? 0 : value > 0xFF ? 0xFF : value & 0xFF;
	      data.view[SETTER](index * BYTES + data.byteOffset, value, true);
	    };

	    var addElement = function (that, index) {
	      nativeDefineProperty(that, index, {
	        get: function () {
	          return getter(this, index);
	        },
	        set: function (value) {
	          return setter(this, index, value);
	        },
	        enumerable: true
	      });
	    };

	    if (!NATIVE_ARRAY_BUFFER_VIEWS) {
	      TypedArrayConstructor = wrapper(function (that, data, offset, $length) {
	        anInstance(that, TypedArrayConstructor, CONSTRUCTOR_NAME);
	        var index = 0;
	        var byteOffset = 0;
	        var buffer, byteLength, length;
	        if (!isObject(data)) {
	          length = toIndex(data);
	          byteLength = length * BYTES;
	          buffer = new ArrayBuffer(byteLength);
	        } else if (isArrayBuffer(data)) {
	          buffer = data;
	          byteOffset = toOffset(offset, BYTES);
	          var $len = data.byteLength;
	          if ($length === undefined) {
	            if ($len % BYTES) throw RangeError(WRONG_LENGTH);
	            byteLength = $len - byteOffset;
	            if (byteLength < 0) throw RangeError(WRONG_LENGTH);
	          } else {
	            byteLength = toLength($length) * BYTES;
	            if (byteLength + byteOffset > $len) throw RangeError(WRONG_LENGTH);
	          }
	          length = byteLength / BYTES;
	        } else if (isTypedArray(data)) {
	          return fromList(TypedArrayConstructor, data);
	        } else {
	          return typedArrayFrom.call(TypedArrayConstructor, data);
	        }
	        setInternalState(that, {
	          buffer: buffer,
	          byteOffset: byteOffset,
	          byteLength: byteLength,
	          length: length,
	          view: new DataView(buffer)
	        });
	        while (index < length) addElement(that, index++);
	      });

	      if (objectSetPrototypeOf) objectSetPrototypeOf(TypedArrayConstructor, TypedArray);
	      TypedArrayConstructorPrototype = TypedArrayConstructor.prototype = objectCreate(TypedArrayPrototype);
	    } else if (typedArrayConstructorsRequireWrappers) {
	      TypedArrayConstructor = wrapper(function (dummy, data, typedArrayOffset, $length) {
	        anInstance(dummy, TypedArrayConstructor, CONSTRUCTOR_NAME);
	        return inheritIfRequired(function () {
	          if (!isObject(data)) return new NativeTypedArrayConstructor(toIndex(data));
	          if (isArrayBuffer(data)) return $length !== undefined
	            ? new NativeTypedArrayConstructor(data, toOffset(typedArrayOffset, BYTES), $length)
	            : typedArrayOffset !== undefined
	              ? new NativeTypedArrayConstructor(data, toOffset(typedArrayOffset, BYTES))
	              : new NativeTypedArrayConstructor(data);
	          if (isTypedArray(data)) return fromList(TypedArrayConstructor, data);
	          return typedArrayFrom.call(TypedArrayConstructor, data);
	        }(), dummy, TypedArrayConstructor);
	      });

	      if (objectSetPrototypeOf) objectSetPrototypeOf(TypedArrayConstructor, TypedArray);
	      forEach(getOwnPropertyNames(NativeTypedArrayConstructor), function (key) {
	        if (!(key in TypedArrayConstructor)) {
	          createNonEnumerableProperty(TypedArrayConstructor, key, NativeTypedArrayConstructor[key]);
	        }
	      });
	      TypedArrayConstructor.prototype = TypedArrayConstructorPrototype;
	    }

	    if (TypedArrayConstructorPrototype.constructor !== TypedArrayConstructor) {
	      createNonEnumerableProperty(TypedArrayConstructorPrototype, 'constructor', TypedArrayConstructor);
	    }

	    if (TYPED_ARRAY_TAG) {
	      createNonEnumerableProperty(TypedArrayConstructorPrototype, TYPED_ARRAY_TAG, CONSTRUCTOR_NAME);
	    }

	    exported[CONSTRUCTOR_NAME] = TypedArrayConstructor;

	    _export({
	      global: true, forced: TypedArrayConstructor != NativeTypedArrayConstructor, sham: !NATIVE_ARRAY_BUFFER_VIEWS
	    }, exported);

	    if (!(BYTES_PER_ELEMENT in TypedArrayConstructor)) {
	      createNonEnumerableProperty(TypedArrayConstructor, BYTES_PER_ELEMENT, BYTES);
	    }

	    if (!(BYTES_PER_ELEMENT in TypedArrayConstructorPrototype)) {
	      createNonEnumerableProperty(TypedArrayConstructorPrototype, BYTES_PER_ELEMENT, BYTES);
	    }

	    setSpecies(CONSTRUCTOR_NAME);
	  };
	} else module.exports = function () { /* empty */ };
	});

	// `Uint8Array` constructor
	// https://tc39.es/ecma262/#sec-typedarray-objects
	typedArrayConstructor('Uint8', function (init) {
	  return function Uint8Array(data, byteOffset, length) {
	    return init(this, data, byteOffset, length);
	  };
	});

	var min$5 = Math.min;

	// `Array.prototype.copyWithin` method implementation
	// https://tc39.es/ecma262/#sec-array.prototype.copywithin
	var arrayCopyWithin = [].copyWithin || function copyWithin(target /* = 0 */, start /* = 0, end = @length */) {
	  var O = toObject(this);
	  var len = toLength(O.length);
	  var to = toAbsoluteIndex(target, len);
	  var from = toAbsoluteIndex(start, len);
	  var end = arguments.length > 2 ? arguments[2] : undefined;
	  var count = min$5((end === undefined ? len : toAbsoluteIndex(end, len)) - from, len - to);
	  var inc = 1;
	  if (from < to && to < from + count) {
	    inc = -1;
	    from += count - 1;
	    to += count - 1;
	  }
	  while (count-- > 0) {
	    if (from in O) O[to] = O[from];
	    else delete O[to];
	    to += inc;
	    from += inc;
	  } return O;
	};

	var aTypedArray$1 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$1 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.copyWithin` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.copywithin
	exportTypedArrayMethod$1('copyWithin', function copyWithin(target, start /* , end */) {
	  return arrayCopyWithin.call(aTypedArray$1(this), target, start, arguments.length > 2 ? arguments[2] : undefined);
	});

	var $every = arrayIteration.every;

	var aTypedArray$2 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$2 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.every` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.every
	exportTypedArrayMethod$2('every', function every(callbackfn /* , thisArg */) {
	  return $every(aTypedArray$2(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	});

	var aTypedArray$3 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$3 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.fill` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.fill
	// eslint-disable-next-line no-unused-vars
	exportTypedArrayMethod$3('fill', function fill(value /* , start, end */) {
	  return arrayFill.apply(aTypedArray$3(this), arguments);
	});

	var $filter$1 = arrayIteration.filter;


	var aTypedArray$4 = arrayBufferViewCore.aTypedArray;
	var aTypedArrayConstructor$2 = arrayBufferViewCore.aTypedArrayConstructor;
	var exportTypedArrayMethod$4 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.filter` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.filter
	exportTypedArrayMethod$4('filter', function filter(callbackfn /* , thisArg */) {
	  var list = $filter$1(aTypedArray$4(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  var C = speciesConstructor(this, this.constructor);
	  var index = 0;
	  var length = list.length;
	  var result = new (aTypedArrayConstructor$2(C))(length);
	  while (length > index) result[index] = list[index++];
	  return result;
	});

	var $find = arrayIteration.find;

	var aTypedArray$5 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$5 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.find` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.find
	exportTypedArrayMethod$5('find', function find(predicate /* , thisArg */) {
	  return $find(aTypedArray$5(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $findIndex = arrayIteration.findIndex;

	var aTypedArray$6 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$6 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.findIndex` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.findindex
	exportTypedArrayMethod$6('findIndex', function findIndex(predicate /* , thisArg */) {
	  return $findIndex(aTypedArray$6(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $forEach$2 = arrayIteration.forEach;

	var aTypedArray$7 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$7 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.forEach` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.foreach
	exportTypedArrayMethod$7('forEach', function forEach(callbackfn /* , thisArg */) {
	  $forEach$2(aTypedArray$7(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $includes$1 = arrayIncludes.includes;

	var aTypedArray$8 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$8 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.includes` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.includes
	exportTypedArrayMethod$8('includes', function includes(searchElement /* , fromIndex */) {
	  return $includes$1(aTypedArray$8(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $indexOf = arrayIncludes.indexOf;

	var aTypedArray$9 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$9 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.indexOf` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.indexof
	exportTypedArrayMethod$9('indexOf', function indexOf(searchElement /* , fromIndex */) {
	  return $indexOf(aTypedArray$9(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
	});

	var ITERATOR$5 = wellKnownSymbol('iterator');
	var Uint8Array$1 = global_1.Uint8Array;
	var arrayValues = es_array_iterator.values;
	var arrayKeys = es_array_iterator.keys;
	var arrayEntries = es_array_iterator.entries;
	var aTypedArray$a = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$a = arrayBufferViewCore.exportTypedArrayMethod;
	var nativeTypedArrayIterator = Uint8Array$1 && Uint8Array$1.prototype[ITERATOR$5];

	var CORRECT_ITER_NAME = !!nativeTypedArrayIterator
	  && (nativeTypedArrayIterator.name == 'values' || nativeTypedArrayIterator.name == undefined);

	var typedArrayValues = function values() {
	  return arrayValues.call(aTypedArray$a(this));
	};

	// `%TypedArray%.prototype.entries` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.entries
	exportTypedArrayMethod$a('entries', function entries() {
	  return arrayEntries.call(aTypedArray$a(this));
	});
	// `%TypedArray%.prototype.keys` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.keys
	exportTypedArrayMethod$a('keys', function keys() {
	  return arrayKeys.call(aTypedArray$a(this));
	});
	// `%TypedArray%.prototype.values` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.values
	exportTypedArrayMethod$a('values', typedArrayValues, !CORRECT_ITER_NAME);
	// `%TypedArray%.prototype[@@iterator]` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype-@@iterator
	exportTypedArrayMethod$a(ITERATOR$5, typedArrayValues, !CORRECT_ITER_NAME);

	var aTypedArray$b = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$b = arrayBufferViewCore.exportTypedArrayMethod;
	var $join = [].join;

	// `%TypedArray%.prototype.join` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.join
	// eslint-disable-next-line no-unused-vars
	exportTypedArrayMethod$b('join', function join(separator) {
	  return $join.apply(aTypedArray$b(this), arguments);
	});

	var min$6 = Math.min;
	var nativeLastIndexOf = [].lastIndexOf;
	var NEGATIVE_ZERO = !!nativeLastIndexOf && 1 / [1].lastIndexOf(1, -0) < 0;
	var STRICT_METHOD$2 = arrayMethodIsStrict('lastIndexOf');
	// For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
	var USES_TO_LENGTH$6 = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });
	var FORCED$3 = NEGATIVE_ZERO || !STRICT_METHOD$2 || !USES_TO_LENGTH$6;

	// `Array.prototype.lastIndexOf` method implementation
	// https://tc39.es/ecma262/#sec-array.prototype.lastindexof
	var arrayLastIndexOf = FORCED$3 ? function lastIndexOf(searchElement /* , fromIndex = @[*-1] */) {
	  // convert -0 to +0
	  if (NEGATIVE_ZERO) return nativeLastIndexOf.apply(this, arguments) || 0;
	  var O = toIndexedObject(this);
	  var length = toLength(O.length);
	  var index = length - 1;
	  if (arguments.length > 1) index = min$6(index, toInteger(arguments[1]));
	  if (index < 0) index = length + index;
	  for (;index >= 0; index--) if (index in O && O[index] === searchElement) return index || 0;
	  return -1;
	} : nativeLastIndexOf;

	var aTypedArray$c = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$c = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.lastIndexOf` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.lastindexof
	// eslint-disable-next-line no-unused-vars
	exportTypedArrayMethod$c('lastIndexOf', function lastIndexOf(searchElement /* , fromIndex */) {
	  return arrayLastIndexOf.apply(aTypedArray$c(this), arguments);
	});

	var $map$1 = arrayIteration.map;


	var aTypedArray$d = arrayBufferViewCore.aTypedArray;
	var aTypedArrayConstructor$3 = arrayBufferViewCore.aTypedArrayConstructor;
	var exportTypedArrayMethod$d = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.map` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.map
	exportTypedArrayMethod$d('map', function map(mapfn /* , thisArg */) {
	  return $map$1(aTypedArray$d(this), mapfn, arguments.length > 1 ? arguments[1] : undefined, function (O, length) {
	    return new (aTypedArrayConstructor$3(speciesConstructor(O, O.constructor)))(length);
	  });
	});

	// `Array.prototype.{ reduce, reduceRight }` methods implementation
	var createMethod$4 = function (IS_RIGHT) {
	  return function (that, callbackfn, argumentsLength, memo) {
	    aFunction$1(callbackfn);
	    var O = toObject(that);
	    var self = indexedObject(O);
	    var length = toLength(O.length);
	    var index = IS_RIGHT ? length - 1 : 0;
	    var i = IS_RIGHT ? -1 : 1;
	    if (argumentsLength < 2) while (true) {
	      if (index in self) {
	        memo = self[index];
	        index += i;
	        break;
	      }
	      index += i;
	      if (IS_RIGHT ? index < 0 : length <= index) {
	        throw TypeError('Reduce of empty array with no initial value');
	      }
	    }
	    for (;IS_RIGHT ? index >= 0 : length > index; index += i) if (index in self) {
	      memo = callbackfn(memo, self[index], index, O);
	    }
	    return memo;
	  };
	};

	var arrayReduce = {
	  // `Array.prototype.reduce` method
	  // https://tc39.es/ecma262/#sec-array.prototype.reduce
	  left: createMethod$4(false),
	  // `Array.prototype.reduceRight` method
	  // https://tc39.es/ecma262/#sec-array.prototype.reduceright
	  right: createMethod$4(true)
	};

	var $reduce = arrayReduce.left;

	var aTypedArray$e = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$e = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.reduce` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.reduce
	exportTypedArrayMethod$e('reduce', function reduce(callbackfn /* , initialValue */) {
	  return $reduce(aTypedArray$e(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $reduceRight = arrayReduce.right;

	var aTypedArray$f = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$f = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.reduceRicht` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.reduceright
	exportTypedArrayMethod$f('reduceRight', function reduceRight(callbackfn /* , initialValue */) {
	  return $reduceRight(aTypedArray$f(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
	});

	var aTypedArray$g = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$g = arrayBufferViewCore.exportTypedArrayMethod;
	var floor$3 = Math.floor;

	// `%TypedArray%.prototype.reverse` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.reverse
	exportTypedArrayMethod$g('reverse', function reverse() {
	  var that = this;
	  var length = aTypedArray$g(that).length;
	  var middle = floor$3(length / 2);
	  var index = 0;
	  var value;
	  while (index < middle) {
	    value = that[index];
	    that[index++] = that[--length];
	    that[length] = value;
	  } return that;
	});

	var aTypedArray$h = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$h = arrayBufferViewCore.exportTypedArrayMethod;

	var FORCED$4 = fails(function () {
	  // eslint-disable-next-line no-undef
	  new Int8Array(1).set({});
	});

	// `%TypedArray%.prototype.set` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.set
	exportTypedArrayMethod$h('set', function set(arrayLike /* , offset */) {
	  aTypedArray$h(this);
	  var offset = toOffset(arguments.length > 1 ? arguments[1] : undefined, 1);
	  var length = this.length;
	  var src = toObject(arrayLike);
	  var len = toLength(src.length);
	  var index = 0;
	  if (len + offset > length) throw RangeError('Wrong length');
	  while (index < len) this[offset + index] = src[index++];
	}, FORCED$4);

	var aTypedArray$i = arrayBufferViewCore.aTypedArray;
	var aTypedArrayConstructor$4 = arrayBufferViewCore.aTypedArrayConstructor;
	var exportTypedArrayMethod$i = arrayBufferViewCore.exportTypedArrayMethod;
	var $slice = [].slice;

	var FORCED$5 = fails(function () {
	  // eslint-disable-next-line no-undef
	  new Int8Array(1).slice();
	});

	// `%TypedArray%.prototype.slice` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.slice
	exportTypedArrayMethod$i('slice', function slice(start, end) {
	  var list = $slice.call(aTypedArray$i(this), start, end);
	  var C = speciesConstructor(this, this.constructor);
	  var index = 0;
	  var length = list.length;
	  var result = new (aTypedArrayConstructor$4(C))(length);
	  while (length > index) result[index] = list[index++];
	  return result;
	}, FORCED$5);

	var $some = arrayIteration.some;

	var aTypedArray$j = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$j = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.some` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.some
	exportTypedArrayMethod$j('some', function some(callbackfn /* , thisArg */) {
	  return $some(aTypedArray$j(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	});

	var aTypedArray$k = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$k = arrayBufferViewCore.exportTypedArrayMethod;
	var $sort = [].sort;

	// `%TypedArray%.prototype.sort` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.sort
	exportTypedArrayMethod$k('sort', function sort(comparefn) {
	  return $sort.call(aTypedArray$k(this), comparefn);
	});

	var aTypedArray$l = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$l = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.subarray` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.subarray
	exportTypedArrayMethod$l('subarray', function subarray(begin, end) {
	  var O = aTypedArray$l(this);
	  var length = O.length;
	  var beginIndex = toAbsoluteIndex(begin, length);
	  return new (speciesConstructor(O, O.constructor))(
	    O.buffer,
	    O.byteOffset + beginIndex * O.BYTES_PER_ELEMENT,
	    toLength((end === undefined ? length : toAbsoluteIndex(end, length)) - beginIndex)
	  );
	});

	var Int8Array$3 = global_1.Int8Array;
	var aTypedArray$m = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$m = arrayBufferViewCore.exportTypedArrayMethod;
	var $toLocaleString = [].toLocaleString;
	var $slice$1 = [].slice;

	// iOS Safari 6.x fails here
	var TO_LOCALE_STRING_BUG = !!Int8Array$3 && fails(function () {
	  $toLocaleString.call(new Int8Array$3(1));
	});

	var FORCED$6 = fails(function () {
	  return [1, 2].toLocaleString() != new Int8Array$3([1, 2]).toLocaleString();
	}) || !fails(function () {
	  Int8Array$3.prototype.toLocaleString.call([1, 2]);
	});

	// `%TypedArray%.prototype.toLocaleString` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.tolocalestring
	exportTypedArrayMethod$m('toLocaleString', function toLocaleString() {
	  return $toLocaleString.apply(TO_LOCALE_STRING_BUG ? $slice$1.call(aTypedArray$m(this)) : aTypedArray$m(this), arguments);
	}, FORCED$6);

	var exportTypedArrayMethod$n = arrayBufferViewCore.exportTypedArrayMethod;



	var Uint8Array$2 = global_1.Uint8Array;
	var Uint8ArrayPrototype = Uint8Array$2 && Uint8Array$2.prototype || {};
	var arrayToString = [].toString;
	var arrayJoin = [].join;

	if (fails(function () { arrayToString.call({}); })) {
	  arrayToString = function toString() {
	    return arrayJoin.call(this);
	  };
	}

	var IS_NOT_ARRAY_METHOD = Uint8ArrayPrototype.toString != arrayToString;

	// `%TypedArray%.prototype.toString` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.tostring
	exportTypedArrayMethod$n('toString', arrayToString, IS_NOT_ARRAY_METHOD);

	// `URL.prototype.toJSON` method
	// https://url.spec.whatwg.org/#dom-url-tojson
	_export({ target: 'URL', proto: true, enumerable: true }, {
	  toJSON: function toJSON() {
	    return URL.prototype.toString.call(this);
	  }
	});

	var lookup = [];
	var revLookup = [];
	var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
	var inited = false;

	function init() {
	  inited = true;
	  var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

	  for (var i = 0, len = code.length; i < len; ++i) {
	    lookup[i] = code[i];
	    revLookup[code.charCodeAt(i)] = i;
	  }

	  revLookup['-'.charCodeAt(0)] = 62;
	  revLookup['_'.charCodeAt(0)] = 63;
	}

	function toByteArray(b64) {
	  if (!inited) {
	    init();
	  }

	  var i, j, l, tmp, placeHolders, arr;
	  var len = b64.length;

	  if (len % 4 > 0) {
	    throw new Error('Invalid string. Length must be a multiple of 4');
	  } // the number of equal signs (place holders)
	  // if there are two placeholders, than the two characters before it
	  // represent one byte
	  // if there is only one, then the three characters before it represent 2 bytes
	  // this is just a cheap hack to not do indexOf twice


	  placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0; // base64 is 4/3 + up to two characters of the original data

	  arr = new Arr(len * 3 / 4 - placeHolders); // if there are placeholders, only get up to the last complete 4 chars

	  l = placeHolders > 0 ? len - 4 : len;
	  var L = 0;

	  for (i = 0, j = 0; i < l; i += 4, j += 3) {
	    tmp = revLookup[b64.charCodeAt(i)] << 18 | revLookup[b64.charCodeAt(i + 1)] << 12 | revLookup[b64.charCodeAt(i + 2)] << 6 | revLookup[b64.charCodeAt(i + 3)];
	    arr[L++] = tmp >> 16 & 0xFF;
	    arr[L++] = tmp >> 8 & 0xFF;
	    arr[L++] = tmp & 0xFF;
	  }

	  if (placeHolders === 2) {
	    tmp = revLookup[b64.charCodeAt(i)] << 2 | revLookup[b64.charCodeAt(i + 1)] >> 4;
	    arr[L++] = tmp & 0xFF;
	  } else if (placeHolders === 1) {
	    tmp = revLookup[b64.charCodeAt(i)] << 10 | revLookup[b64.charCodeAt(i + 1)] << 4 | revLookup[b64.charCodeAt(i + 2)] >> 2;
	    arr[L++] = tmp >> 8 & 0xFF;
	    arr[L++] = tmp & 0xFF;
	  }

	  return arr;
	}

	function tripletToBase64(num) {
	  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
	}

	function encodeChunk(uint8, start, end) {
	  var tmp;
	  var output = [];

	  for (var i = start; i < end; i += 3) {
	    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + uint8[i + 2];
	    output.push(tripletToBase64(tmp));
	  }

	  return output.join('');
	}

	function fromByteArray(uint8) {
	  if (!inited) {
	    init();
	  }

	  var tmp;
	  var len = uint8.length;
	  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes

	  var output = '';
	  var parts = [];
	  var maxChunkLength = 16383; // must be multiple of 3
	  // go through the array every three bytes, we'll deal with trailing stuff later

	  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
	    parts.push(encodeChunk(uint8, i, i + maxChunkLength > len2 ? len2 : i + maxChunkLength));
	  } // pad the end with zeros, but make sure to not forget the extra bytes


	  if (extraBytes === 1) {
	    tmp = uint8[len - 1];
	    output += lookup[tmp >> 2];
	    output += lookup[tmp << 4 & 0x3F];
	    output += '==';
	  } else if (extraBytes === 2) {
	    tmp = (uint8[len - 2] << 8) + uint8[len - 1];
	    output += lookup[tmp >> 10];
	    output += lookup[tmp >> 4 & 0x3F];
	    output += lookup[tmp << 2 & 0x3F];
	    output += '=';
	  }

	  parts.push(output);
	  return parts.join('');
	}

	function read(buffer, offset, isLE, mLen, nBytes) {
	  var e, m;
	  var eLen = nBytes * 8 - mLen - 1;
	  var eMax = (1 << eLen) - 1;
	  var eBias = eMax >> 1;
	  var nBits = -7;
	  var i = isLE ? nBytes - 1 : 0;
	  var d = isLE ? -1 : 1;
	  var s = buffer[offset + i];
	  i += d;
	  e = s & (1 << -nBits) - 1;
	  s >>= -nBits;
	  nBits += eLen;

	  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}

	  m = e & (1 << -nBits) - 1;
	  e >>= -nBits;
	  nBits += mLen;

	  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}

	  if (e === 0) {
	    e = 1 - eBias;
	  } else if (e === eMax) {
	    return m ? NaN : (s ? -1 : 1) * Infinity;
	  } else {
	    m = m + Math.pow(2, mLen);
	    e = e - eBias;
	  }

	  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
	}
	function write(buffer, value, offset, isLE, mLen, nBytes) {
	  var e, m, c;
	  var eLen = nBytes * 8 - mLen - 1;
	  var eMax = (1 << eLen) - 1;
	  var eBias = eMax >> 1;
	  var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
	  var i = isLE ? 0 : nBytes - 1;
	  var d = isLE ? 1 : -1;
	  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
	  value = Math.abs(value);

	  if (isNaN(value) || value === Infinity) {
	    m = isNaN(value) ? 1 : 0;
	    e = eMax;
	  } else {
	    e = Math.floor(Math.log(value) / Math.LN2);

	    if (value * (c = Math.pow(2, -e)) < 1) {
	      e--;
	      c *= 2;
	    }

	    if (e + eBias >= 1) {
	      value += rt / c;
	    } else {
	      value += rt * Math.pow(2, 1 - eBias);
	    }

	    if (value * c >= 2) {
	      e++;
	      c /= 2;
	    }

	    if (e + eBias >= eMax) {
	      m = 0;
	      e = eMax;
	    } else if (e + eBias >= 1) {
	      m = (value * c - 1) * Math.pow(2, mLen);
	      e = e + eBias;
	    } else {
	      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
	      e = 0;
	    }
	  }

	  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

	  e = e << mLen | m;
	  eLen += mLen;

	  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

	  buffer[offset + i - d] |= s * 128;
	}

	var toString$2 = {}.toString;
	var isArray$1 = Array.isArray || function (arr) {
	  return toString$2.call(arr) == '[object Array]';
	};

	var INSPECT_MAX_BYTES = 50;
	/**
	 * If `Buffer.TYPED_ARRAY_SUPPORT`:
	 *   === true    Use Uint8Array implementation (fastest)
	 *   === false   Use Object implementation (most compatible, even IE6)
	 *
	 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
	 * Opera 11.6+, iOS 4.2+.
	 *
	 * Due to various browser bugs, sometimes the Object implementation will be used even
	 * when the browser supports typed arrays.
	 *
	 * Note:
	 *
	 *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
	 *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
	 *
	 *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
	 *
	 *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
	 *     incorrect length in some situations.

	 * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
	 * get the Object implementation, which is slower but behaves correctly.
	 */

	Buffer.TYPED_ARRAY_SUPPORT = global$2.TYPED_ARRAY_SUPPORT !== undefined ? global$2.TYPED_ARRAY_SUPPORT : true;

	function kMaxLength() {
	  return Buffer.TYPED_ARRAY_SUPPORT ? 0x7fffffff : 0x3fffffff;
	}

	function createBuffer(that, length) {
	  if (kMaxLength() < length) {
	    throw new RangeError('Invalid typed array length');
	  }

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    // Return an augmented `Uint8Array` instance, for best performance
	    that = new Uint8Array(length);
	    that.__proto__ = Buffer.prototype;
	  } else {
	    // Fallback: Return an object instance of the Buffer class
	    if (that === null) {
	      that = new Buffer(length);
	    }

	    that.length = length;
	  }

	  return that;
	}
	/**
	 * The Buffer constructor returns instances of `Uint8Array` that have their
	 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
	 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
	 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
	 * returns a single octet.
	 *
	 * The `Uint8Array` prototype remains unmodified.
	 */


	function Buffer(arg, encodingOrOffset, length) {
	  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
	    return new Buffer(arg, encodingOrOffset, length);
	  } // Common case.


	  if (typeof arg === 'number') {
	    if (typeof encodingOrOffset === 'string') {
	      throw new Error('If encoding is specified then the first argument must be a string');
	    }

	    return allocUnsafe(this, arg);
	  }

	  return from(this, arg, encodingOrOffset, length);
	}
	Buffer.poolSize = 8192; // not used by this implementation
	// TODO: Legacy, not needed anymore. Remove in next major version.

	Buffer._augment = function (arr) {
	  arr.__proto__ = Buffer.prototype;
	  return arr;
	};

	function from(that, value, encodingOrOffset, length) {
	  if (typeof value === 'number') {
	    throw new TypeError('"value" argument must not be a number');
	  }

	  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
	    return fromArrayBuffer(that, value, encodingOrOffset, length);
	  }

	  if (typeof value === 'string') {
	    return fromString(that, value, encodingOrOffset);
	  }

	  return fromObject(that, value);
	}
	/**
	 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
	 * if value is a number.
	 * Buffer.from(str[, encoding])
	 * Buffer.from(array)
	 * Buffer.from(buffer)
	 * Buffer.from(arrayBuffer[, byteOffset[, length]])
	 **/


	Buffer.from = function (value, encodingOrOffset, length) {
	  return from(null, value, encodingOrOffset, length);
	};

	if (Buffer.TYPED_ARRAY_SUPPORT) {
	  Buffer.prototype.__proto__ = Uint8Array.prototype;
	  Buffer.__proto__ = Uint8Array;
	}

	function assertSize(size) {
	  if (typeof size !== 'number') {
	    throw new TypeError('"size" argument must be a number');
	  } else if (size < 0) {
	    throw new RangeError('"size" argument must not be negative');
	  }
	}

	function alloc(that, size, fill, encoding) {
	  assertSize(size);

	  if (size <= 0) {
	    return createBuffer(that, size);
	  }

	  if (fill !== undefined) {
	    // Only pay attention to encoding if it's a string. This
	    // prevents accidentally sending in a number that would
	    // be interpretted as a start offset.
	    return typeof encoding === 'string' ? createBuffer(that, size).fill(fill, encoding) : createBuffer(that, size).fill(fill);
	  }

	  return createBuffer(that, size);
	}
	/**
	 * Creates a new filled Buffer instance.
	 * alloc(size[, fill[, encoding]])
	 **/


	Buffer.alloc = function (size, fill, encoding) {
	  return alloc(null, size, fill, encoding);
	};

	function allocUnsafe(that, size) {
	  assertSize(size);
	  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0);

	  if (!Buffer.TYPED_ARRAY_SUPPORT) {
	    for (var i = 0; i < size; ++i) {
	      that[i] = 0;
	    }
	  }

	  return that;
	}
	/**
	 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
	 * */


	Buffer.allocUnsafe = function (size) {
	  return allocUnsafe(null, size);
	};
	/**
	 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
	 */


	Buffer.allocUnsafeSlow = function (size) {
	  return allocUnsafe(null, size);
	};

	function fromString(that, string, encoding) {
	  if (typeof encoding !== 'string' || encoding === '') {
	    encoding = 'utf8';
	  }

	  if (!Buffer.isEncoding(encoding)) {
	    throw new TypeError('"encoding" must be a valid string encoding');
	  }

	  var length = byteLength(string, encoding) | 0;
	  that = createBuffer(that, length);
	  var actual = that.write(string, encoding);

	  if (actual !== length) {
	    // Writing a hex string, for example, that contains invalid characters will
	    // cause everything after the first invalid character to be ignored. (e.g.
	    // 'abxxcd' will be treated as 'ab')
	    that = that.slice(0, actual);
	  }

	  return that;
	}

	function fromArrayLike(that, array) {
	  var length = array.length < 0 ? 0 : checked(array.length) | 0;
	  that = createBuffer(that, length);

	  for (var i = 0; i < length; i += 1) {
	    that[i] = array[i] & 255;
	  }

	  return that;
	}

	function fromArrayBuffer(that, array, byteOffset, length) {
	  array.byteLength; // this throws if `array` is not a valid ArrayBuffer

	  if (byteOffset < 0 || array.byteLength < byteOffset) {
	    throw new RangeError('\'offset\' is out of bounds');
	  }

	  if (array.byteLength < byteOffset + (length || 0)) {
	    throw new RangeError('\'length\' is out of bounds');
	  }

	  if (byteOffset === undefined && length === undefined) {
	    array = new Uint8Array(array);
	  } else if (length === undefined) {
	    array = new Uint8Array(array, byteOffset);
	  } else {
	    array = new Uint8Array(array, byteOffset, length);
	  }

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    // Return an augmented `Uint8Array` instance, for best performance
	    that = array;
	    that.__proto__ = Buffer.prototype;
	  } else {
	    // Fallback: Return an object instance of the Buffer class
	    that = fromArrayLike(that, array);
	  }

	  return that;
	}

	function fromObject(that, obj) {
	  if (internalIsBuffer(obj)) {
	    var len = checked(obj.length) | 0;
	    that = createBuffer(that, len);

	    if (that.length === 0) {
	      return that;
	    }

	    obj.copy(that, 0, 0, len);
	    return that;
	  }

	  if (obj) {
	    if (typeof ArrayBuffer !== 'undefined' && obj.buffer instanceof ArrayBuffer || 'length' in obj) {
	      if (typeof obj.length !== 'number' || isnan(obj.length)) {
	        return createBuffer(that, 0);
	      }

	      return fromArrayLike(that, obj);
	    }

	    if (obj.type === 'Buffer' && isArray$1(obj.data)) {
	      return fromArrayLike(that, obj.data);
	    }
	  }

	  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.');
	}

	function checked(length) {
	  // Note: cannot use `length < kMaxLength()` here because that fails when
	  // length is NaN (which is otherwise coerced to zero.)
	  if (length >= kMaxLength()) {
	    throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + kMaxLength().toString(16) + ' bytes');
	  }

	  return length | 0;
	}
	Buffer.isBuffer = isBuffer;

	function internalIsBuffer(b) {
	  return !!(b != null && b._isBuffer);
	}

	Buffer.compare = function compare(a, b) {
	  if (!internalIsBuffer(a) || !internalIsBuffer(b)) {
	    throw new TypeError('Arguments must be Buffers');
	  }

	  if (a === b) return 0;
	  var x = a.length;
	  var y = b.length;

	  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
	    if (a[i] !== b[i]) {
	      x = a[i];
	      y = b[i];
	      break;
	    }
	  }

	  if (x < y) return -1;
	  if (y < x) return 1;
	  return 0;
	};

	Buffer.isEncoding = function isEncoding(encoding) {
	  switch (String(encoding).toLowerCase()) {
	    case 'hex':
	    case 'utf8':
	    case 'utf-8':
	    case 'ascii':
	    case 'latin1':
	    case 'binary':
	    case 'base64':
	    case 'ucs2':
	    case 'ucs-2':
	    case 'utf16le':
	    case 'utf-16le':
	      return true;

	    default:
	      return false;
	  }
	};

	Buffer.concat = function concat(list, length) {
	  if (!isArray$1(list)) {
	    throw new TypeError('"list" argument must be an Array of Buffers');
	  }

	  if (list.length === 0) {
	    return Buffer.alloc(0);
	  }

	  var i;

	  if (length === undefined) {
	    length = 0;

	    for (i = 0; i < list.length; ++i) {
	      length += list[i].length;
	    }
	  }

	  var buffer = Buffer.allocUnsafe(length);
	  var pos = 0;

	  for (i = 0; i < list.length; ++i) {
	    var buf = list[i];

	    if (!internalIsBuffer(buf)) {
	      throw new TypeError('"list" argument must be an Array of Buffers');
	    }

	    buf.copy(buffer, pos);
	    pos += buf.length;
	  }

	  return buffer;
	};

	function byteLength(string, encoding) {
	  if (internalIsBuffer(string)) {
	    return string.length;
	  }

	  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' && (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
	    return string.byteLength;
	  }

	  if (typeof string !== 'string') {
	    string = '' + string;
	  }

	  var len = string.length;
	  if (len === 0) return 0; // Use a for loop to avoid recursion

	  var loweredCase = false;

	  for (;;) {
	    switch (encoding) {
	      case 'ascii':
	      case 'latin1':
	      case 'binary':
	        return len;

	      case 'utf8':
	      case 'utf-8':
	      case undefined:
	        return utf8ToBytes(string).length;

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return len * 2;

	      case 'hex':
	        return len >>> 1;

	      case 'base64':
	        return base64ToBytes(string).length;

	      default:
	        if (loweredCase) return utf8ToBytes(string).length; // assume utf8

	        encoding = ('' + encoding).toLowerCase();
	        loweredCase = true;
	    }
	  }
	}

	Buffer.byteLength = byteLength;

	function slowToString(encoding, start, end) {
	  var loweredCase = false; // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
	  // property of a typed array.
	  // This behaves neither like String nor Uint8Array in that we set start/end
	  // to their upper/lower bounds if the value passed is out of range.
	  // undefined is handled specially as per ECMA-262 6th Edition,
	  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.

	  if (start === undefined || start < 0) {
	    start = 0;
	  } // Return early if start > this.length. Done here to prevent potential uint32
	  // coercion fail below.


	  if (start > this.length) {
	    return '';
	  }

	  if (end === undefined || end > this.length) {
	    end = this.length;
	  }

	  if (end <= 0) {
	    return '';
	  } // Force coersion to uint32. This will also coerce falsey/NaN values to 0.


	  end >>>= 0;
	  start >>>= 0;

	  if (end <= start) {
	    return '';
	  }

	  if (!encoding) encoding = 'utf8';

	  while (true) {
	    switch (encoding) {
	      case 'hex':
	        return hexSlice(this, start, end);

	      case 'utf8':
	      case 'utf-8':
	        return utf8Slice(this, start, end);

	      case 'ascii':
	        return asciiSlice(this, start, end);

	      case 'latin1':
	      case 'binary':
	        return latin1Slice(this, start, end);

	      case 'base64':
	        return base64Slice(this, start, end);

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return utf16leSlice(this, start, end);

	      default:
	        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
	        encoding = (encoding + '').toLowerCase();
	        loweredCase = true;
	    }
	  }
	} // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
	// Buffer instances.


	Buffer.prototype._isBuffer = true;

	function swap(b, n, m) {
	  var i = b[n];
	  b[n] = b[m];
	  b[m] = i;
	}

	Buffer.prototype.swap16 = function swap16() {
	  var len = this.length;

	  if (len % 2 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 16-bits');
	  }

	  for (var i = 0; i < len; i += 2) {
	    swap(this, i, i + 1);
	  }

	  return this;
	};

	Buffer.prototype.swap32 = function swap32() {
	  var len = this.length;

	  if (len % 4 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 32-bits');
	  }

	  for (var i = 0; i < len; i += 4) {
	    swap(this, i, i + 3);
	    swap(this, i + 1, i + 2);
	  }

	  return this;
	};

	Buffer.prototype.swap64 = function swap64() {
	  var len = this.length;

	  if (len % 8 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 64-bits');
	  }

	  for (var i = 0; i < len; i += 8) {
	    swap(this, i, i + 7);
	    swap(this, i + 1, i + 6);
	    swap(this, i + 2, i + 5);
	    swap(this, i + 3, i + 4);
	  }

	  return this;
	};

	Buffer.prototype.toString = function toString() {
	  var length = this.length | 0;
	  if (length === 0) return '';
	  if (arguments.length === 0) return utf8Slice(this, 0, length);
	  return slowToString.apply(this, arguments);
	};

	Buffer.prototype.equals = function equals(b) {
	  if (!internalIsBuffer(b)) throw new TypeError('Argument must be a Buffer');
	  if (this === b) return true;
	  return Buffer.compare(this, b) === 0;
	};

	Buffer.prototype.inspect = function inspect() {
	  var str = '';
	  var max = INSPECT_MAX_BYTES;

	  if (this.length > 0) {
	    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
	    if (this.length > max) str += ' ... ';
	  }

	  return '<Buffer ' + str + '>';
	};

	Buffer.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
	  if (!internalIsBuffer(target)) {
	    throw new TypeError('Argument must be a Buffer');
	  }

	  if (start === undefined) {
	    start = 0;
	  }

	  if (end === undefined) {
	    end = target ? target.length : 0;
	  }

	  if (thisStart === undefined) {
	    thisStart = 0;
	  }

	  if (thisEnd === undefined) {
	    thisEnd = this.length;
	  }

	  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
	    throw new RangeError('out of range index');
	  }

	  if (thisStart >= thisEnd && start >= end) {
	    return 0;
	  }

	  if (thisStart >= thisEnd) {
	    return -1;
	  }

	  if (start >= end) {
	    return 1;
	  }

	  start >>>= 0;
	  end >>>= 0;
	  thisStart >>>= 0;
	  thisEnd >>>= 0;
	  if (this === target) return 0;
	  var x = thisEnd - thisStart;
	  var y = end - start;
	  var len = Math.min(x, y);
	  var thisCopy = this.slice(thisStart, thisEnd);
	  var targetCopy = target.slice(start, end);

	  for (var i = 0; i < len; ++i) {
	    if (thisCopy[i] !== targetCopy[i]) {
	      x = thisCopy[i];
	      y = targetCopy[i];
	      break;
	    }
	  }

	  if (x < y) return -1;
	  if (y < x) return 1;
	  return 0;
	}; // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
	// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
	//
	// Arguments:
	// - buffer - a Buffer to search
	// - val - a string, Buffer, or number
	// - byteOffset - an index into `buffer`; will be clamped to an int32
	// - encoding - an optional encoding, relevant is val is a string
	// - dir - true for indexOf, false for lastIndexOf


	function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
	  // Empty buffer means no match
	  if (buffer.length === 0) return -1; // Normalize byteOffset

	  if (typeof byteOffset === 'string') {
	    encoding = byteOffset;
	    byteOffset = 0;
	  } else if (byteOffset > 0x7fffffff) {
	    byteOffset = 0x7fffffff;
	  } else if (byteOffset < -0x80000000) {
	    byteOffset = -0x80000000;
	  }

	  byteOffset = +byteOffset; // Coerce to Number.

	  if (isNaN(byteOffset)) {
	    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
	    byteOffset = dir ? 0 : buffer.length - 1;
	  } // Normalize byteOffset: negative offsets start from the end of the buffer


	  if (byteOffset < 0) byteOffset = buffer.length + byteOffset;

	  if (byteOffset >= buffer.length) {
	    if (dir) return -1;else byteOffset = buffer.length - 1;
	  } else if (byteOffset < 0) {
	    if (dir) byteOffset = 0;else return -1;
	  } // Normalize val


	  if (typeof val === 'string') {
	    val = Buffer.from(val, encoding);
	  } // Finally, search either indexOf (if dir is true) or lastIndexOf


	  if (internalIsBuffer(val)) {
	    // Special case: looking for empty string/buffer always fails
	    if (val.length === 0) {
	      return -1;
	    }

	    return arrayIndexOf(buffer, val, byteOffset, encoding, dir);
	  } else if (typeof val === 'number') {
	    val = val & 0xFF; // Search for a byte value [0-255]

	    if (Buffer.TYPED_ARRAY_SUPPORT && typeof Uint8Array.prototype.indexOf === 'function') {
	      if (dir) {
	        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
	      } else {
	        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
	      }
	    }

	    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir);
	  }

	  throw new TypeError('val must be string, number or Buffer');
	}

	function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
	  var indexSize = 1;
	  var arrLength = arr.length;
	  var valLength = val.length;

	  if (encoding !== undefined) {
	    encoding = String(encoding).toLowerCase();

	    if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') {
	      if (arr.length < 2 || val.length < 2) {
	        return -1;
	      }

	      indexSize = 2;
	      arrLength /= 2;
	      valLength /= 2;
	      byteOffset /= 2;
	    }
	  }

	  function read(buf, i) {
	    if (indexSize === 1) {
	      return buf[i];
	    } else {
	      return buf.readUInt16BE(i * indexSize);
	    }
	  }

	  var i;

	  if (dir) {
	    var foundIndex = -1;

	    for (i = byteOffset; i < arrLength; i++) {
	      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
	        if (foundIndex === -1) foundIndex = i;
	        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
	      } else {
	        if (foundIndex !== -1) i -= i - foundIndex;
	        foundIndex = -1;
	      }
	    }
	  } else {
	    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;

	    for (i = byteOffset; i >= 0; i--) {
	      var found = true;

	      for (var j = 0; j < valLength; j++) {
	        if (read(arr, i + j) !== read(val, j)) {
	          found = false;
	          break;
	        }
	      }

	      if (found) return i;
	    }
	  }

	  return -1;
	}

	Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
	  return this.indexOf(val, byteOffset, encoding) !== -1;
	};

	Buffer.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
	  return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
	};

	Buffer.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
	  return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
	};

	function hexWrite(buf, string, offset, length) {
	  offset = Number(offset) || 0;
	  var remaining = buf.length - offset;

	  if (!length) {
	    length = remaining;
	  } else {
	    length = Number(length);

	    if (length > remaining) {
	      length = remaining;
	    }
	  } // must be an even number of digits


	  var strLen = string.length;
	  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string');

	  if (length > strLen / 2) {
	    length = strLen / 2;
	  }

	  for (var i = 0; i < length; ++i) {
	    var parsed = parseInt(string.substr(i * 2, 2), 16);
	    if (isNaN(parsed)) return i;
	    buf[offset + i] = parsed;
	  }

	  return i;
	}

	function utf8Write(buf, string, offset, length) {
	  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length);
	}

	function asciiWrite(buf, string, offset, length) {
	  return blitBuffer(asciiToBytes(string), buf, offset, length);
	}

	function latin1Write(buf, string, offset, length) {
	  return asciiWrite(buf, string, offset, length);
	}

	function base64Write(buf, string, offset, length) {
	  return blitBuffer(base64ToBytes(string), buf, offset, length);
	}

	function ucs2Write(buf, string, offset, length) {
	  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length);
	}

	Buffer.prototype.write = function write(string, offset, length, encoding) {
	  // Buffer#write(string)
	  if (offset === undefined) {
	    encoding = 'utf8';
	    length = this.length;
	    offset = 0; // Buffer#write(string, encoding)
	  } else if (length === undefined && typeof offset === 'string') {
	    encoding = offset;
	    length = this.length;
	    offset = 0; // Buffer#write(string, offset[, length][, encoding])
	  } else if (isFinite(offset)) {
	    offset = offset | 0;

	    if (isFinite(length)) {
	      length = length | 0;
	      if (encoding === undefined) encoding = 'utf8';
	    } else {
	      encoding = length;
	      length = undefined;
	    } // legacy write(string, encoding, offset, length) - remove in v0.13

	  } else {
	    throw new Error('Buffer.write(string, encoding, offset[, length]) is no longer supported');
	  }

	  var remaining = this.length - offset;
	  if (length === undefined || length > remaining) length = remaining;

	  if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
	    throw new RangeError('Attempt to write outside buffer bounds');
	  }

	  if (!encoding) encoding = 'utf8';
	  var loweredCase = false;

	  for (;;) {
	    switch (encoding) {
	      case 'hex':
	        return hexWrite(this, string, offset, length);

	      case 'utf8':
	      case 'utf-8':
	        return utf8Write(this, string, offset, length);

	      case 'ascii':
	        return asciiWrite(this, string, offset, length);

	      case 'latin1':
	      case 'binary':
	        return latin1Write(this, string, offset, length);

	      case 'base64':
	        // Warning: maxLength not taken into account in base64Write
	        return base64Write(this, string, offset, length);

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return ucs2Write(this, string, offset, length);

	      default:
	        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
	        encoding = ('' + encoding).toLowerCase();
	        loweredCase = true;
	    }
	  }
	};

	Buffer.prototype.toJSON = function toJSON() {
	  return {
	    type: 'Buffer',
	    data: Array.prototype.slice.call(this._arr || this, 0)
	  };
	};

	function base64Slice(buf, start, end) {
	  if (start === 0 && end === buf.length) {
	    return fromByteArray(buf);
	  } else {
	    return fromByteArray(buf.slice(start, end));
	  }
	}

	function utf8Slice(buf, start, end) {
	  end = Math.min(buf.length, end);
	  var res = [];
	  var i = start;

	  while (i < end) {
	    var firstByte = buf[i];
	    var codePoint = null;
	    var bytesPerSequence = firstByte > 0xEF ? 4 : firstByte > 0xDF ? 3 : firstByte > 0xBF ? 2 : 1;

	    if (i + bytesPerSequence <= end) {
	      var secondByte, thirdByte, fourthByte, tempCodePoint;

	      switch (bytesPerSequence) {
	        case 1:
	          if (firstByte < 0x80) {
	            codePoint = firstByte;
	          }

	          break;

	        case 2:
	          secondByte = buf[i + 1];

	          if ((secondByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0x1F) << 0x6 | secondByte & 0x3F;

	            if (tempCodePoint > 0x7F) {
	              codePoint = tempCodePoint;
	            }
	          }

	          break;

	        case 3:
	          secondByte = buf[i + 1];
	          thirdByte = buf[i + 2];

	          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | thirdByte & 0x3F;

	            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
	              codePoint = tempCodePoint;
	            }
	          }

	          break;

	        case 4:
	          secondByte = buf[i + 1];
	          thirdByte = buf[i + 2];
	          fourthByte = buf[i + 3];

	          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | fourthByte & 0x3F;

	            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
	              codePoint = tempCodePoint;
	            }
	          }

	      }
	    }

	    if (codePoint === null) {
	      // we did not generate a valid codePoint so insert a
	      // replacement char (U+FFFD) and advance only 1 byte
	      codePoint = 0xFFFD;
	      bytesPerSequence = 1;
	    } else if (codePoint > 0xFFFF) {
	      // encode to utf16 (surrogate pair dance)
	      codePoint -= 0x10000;
	      res.push(codePoint >>> 10 & 0x3FF | 0xD800);
	      codePoint = 0xDC00 | codePoint & 0x3FF;
	    }

	    res.push(codePoint);
	    i += bytesPerSequence;
	  }

	  return decodeCodePointsArray(res);
	} // Based on http://stackoverflow.com/a/22747272/680742, the browser with
	// the lowest limit is Chrome, with 0x10000 args.
	// We go 1 magnitude less, for safety


	var MAX_ARGUMENTS_LENGTH = 0x1000;

	function decodeCodePointsArray(codePoints) {
	  var len = codePoints.length;

	  if (len <= MAX_ARGUMENTS_LENGTH) {
	    return String.fromCharCode.apply(String, codePoints); // avoid extra slice()
	  } // Decode in chunks to avoid "call stack size exceeded".


	  var res = '';
	  var i = 0;

	  while (i < len) {
	    res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH));
	  }

	  return res;
	}

	function asciiSlice(buf, start, end) {
	  var ret = '';
	  end = Math.min(buf.length, end);

	  for (var i = start; i < end; ++i) {
	    ret += String.fromCharCode(buf[i] & 0x7F);
	  }

	  return ret;
	}

	function latin1Slice(buf, start, end) {
	  var ret = '';
	  end = Math.min(buf.length, end);

	  for (var i = start; i < end; ++i) {
	    ret += String.fromCharCode(buf[i]);
	  }

	  return ret;
	}

	function hexSlice(buf, start, end) {
	  var len = buf.length;
	  if (!start || start < 0) start = 0;
	  if (!end || end < 0 || end > len) end = len;
	  var out = '';

	  for (var i = start; i < end; ++i) {
	    out += toHex(buf[i]);
	  }

	  return out;
	}

	function utf16leSlice(buf, start, end) {
	  var bytes = buf.slice(start, end);
	  var res = '';

	  for (var i = 0; i < bytes.length; i += 2) {
	    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
	  }

	  return res;
	}

	Buffer.prototype.slice = function slice(start, end) {
	  var len = this.length;
	  start = ~~start;
	  end = end === undefined ? len : ~~end;

	  if (start < 0) {
	    start += len;
	    if (start < 0) start = 0;
	  } else if (start > len) {
	    start = len;
	  }

	  if (end < 0) {
	    end += len;
	    if (end < 0) end = 0;
	  } else if (end > len) {
	    end = len;
	  }

	  if (end < start) end = start;
	  var newBuf;

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    newBuf = this.subarray(start, end);
	    newBuf.__proto__ = Buffer.prototype;
	  } else {
	    var sliceLen = end - start;
	    newBuf = new Buffer(sliceLen, undefined);

	    for (var i = 0; i < sliceLen; ++i) {
	      newBuf[i] = this[i + start];
	    }
	  }

	  return newBuf;
	};
	/*
	 * Need to make sure that buffer isn't trying to write out of bounds.
	 */


	function checkOffset(offset, ext, length) {
	  if (offset % 1 !== 0 || offset < 0) throw new RangeError('offset is not uint');
	  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length');
	}

	Buffer.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset(offset, byteLength, this.length);
	  var val = this[offset];
	  var mul = 1;
	  var i = 0;

	  while (++i < byteLength && (mul *= 0x100)) {
	    val += this[offset + i] * mul;
	  }

	  return val;
	};

	Buffer.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    checkOffset(offset, byteLength, this.length);
	  }

	  var val = this[offset + --byteLength];
	  var mul = 1;

	  while (byteLength > 0 && (mul *= 0x100)) {
	    val += this[offset + --byteLength] * mul;
	  }

	  return val;
	};

	Buffer.prototype.readUInt8 = function readUInt8(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 1, this.length);
	  return this[offset];
	};

	Buffer.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 2, this.length);
	  return this[offset] | this[offset + 1] << 8;
	};

	Buffer.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 2, this.length);
	  return this[offset] << 8 | this[offset + 1];
	};

	Buffer.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 0x1000000;
	};

	Buffer.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return this[offset] * 0x1000000 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
	};

	Buffer.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset(offset, byteLength, this.length);
	  var val = this[offset];
	  var mul = 1;
	  var i = 0;

	  while (++i < byteLength && (mul *= 0x100)) {
	    val += this[offset + i] * mul;
	  }

	  mul *= 0x80;
	  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
	  return val;
	};

	Buffer.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset(offset, byteLength, this.length);
	  var i = byteLength;
	  var mul = 1;
	  var val = this[offset + --i];

	  while (i > 0 && (mul *= 0x100)) {
	    val += this[offset + --i] * mul;
	  }

	  mul *= 0x80;
	  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
	  return val;
	};

	Buffer.prototype.readInt8 = function readInt8(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 1, this.length);
	  if (!(this[offset] & 0x80)) return this[offset];
	  return (0xff - this[offset] + 1) * -1;
	};

	Buffer.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 2, this.length);
	  var val = this[offset] | this[offset + 1] << 8;
	  return val & 0x8000 ? val | 0xFFFF0000 : val;
	};

	Buffer.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 2, this.length);
	  var val = this[offset + 1] | this[offset] << 8;
	  return val & 0x8000 ? val | 0xFFFF0000 : val;
	};

	Buffer.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
	};

	Buffer.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
	};

	Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return read(this, offset, true, 23, 4);
	};

	Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return read(this, offset, false, 23, 4);
	};

	Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 8, this.length);
	  return read(this, offset, true, 52, 8);
	};

	Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 8, this.length);
	  return read(this, offset, false, 52, 8);
	};

	function checkInt(buf, value, offset, ext, max, min) {
	  if (!internalIsBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance');
	  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds');
	  if (offset + ext > buf.length) throw new RangeError('Index out of range');
	}

	Buffer.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
	    checkInt(this, value, offset, byteLength, maxBytes, 0);
	  }

	  var mul = 1;
	  var i = 0;
	  this[offset] = value & 0xFF;

	  while (++i < byteLength && (mul *= 0x100)) {
	    this[offset + i] = value / mul & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
	    checkInt(this, value, offset, byteLength, maxBytes, 0);
	  }

	  var i = byteLength - 1;
	  var mul = 1;
	  this[offset + i] = value & 0xFF;

	  while (--i >= 0 && (mul *= 0x100)) {
	    this[offset + i] = value / mul & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
	  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
	  this[offset] = value & 0xff;
	  return offset + 1;
	};

	function objectWriteUInt16(buf, value, offset, littleEndian) {
	  if (value < 0) value = 0xffff + value + 1;

	  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
	    buf[offset + i] = (value & 0xff << 8 * (littleEndian ? i : 1 - i)) >>> (littleEndian ? i : 1 - i) * 8;
	  }
	}

	Buffer.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	  } else {
	    objectWriteUInt16(this, value, offset, true);
	  }

	  return offset + 2;
	};

	Buffer.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 8;
	    this[offset + 1] = value & 0xff;
	  } else {
	    objectWriteUInt16(this, value, offset, false);
	  }

	  return offset + 2;
	};

	function objectWriteUInt32(buf, value, offset, littleEndian) {
	  if (value < 0) value = 0xffffffff + value + 1;

	  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
	    buf[offset + i] = value >>> (littleEndian ? i : 3 - i) * 8 & 0xff;
	  }
	}

	Buffer.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset + 3] = value >>> 24;
	    this[offset + 2] = value >>> 16;
	    this[offset + 1] = value >>> 8;
	    this[offset] = value & 0xff;
	  } else {
	    objectWriteUInt32(this, value, offset, true);
	  }

	  return offset + 4;
	};

	Buffer.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 24;
	    this[offset + 1] = value >>> 16;
	    this[offset + 2] = value >>> 8;
	    this[offset + 3] = value & 0xff;
	  } else {
	    objectWriteUInt32(this, value, offset, false);
	  }

	  return offset + 4;
	};

	Buffer.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;

	  if (!noAssert) {
	    var limit = Math.pow(2, 8 * byteLength - 1);
	    checkInt(this, value, offset, byteLength, limit - 1, -limit);
	  }

	  var i = 0;
	  var mul = 1;
	  var sub = 0;
	  this[offset] = value & 0xFF;

	  while (++i < byteLength && (mul *= 0x100)) {
	    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
	      sub = 1;
	    }

	    this[offset + i] = (value / mul >> 0) - sub & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;

	  if (!noAssert) {
	    var limit = Math.pow(2, 8 * byteLength - 1);
	    checkInt(this, value, offset, byteLength, limit - 1, -limit);
	  }

	  var i = byteLength - 1;
	  var mul = 1;
	  var sub = 0;
	  this[offset + i] = value & 0xFF;

	  while (--i >= 0 && (mul *= 0x100)) {
	    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
	      sub = 1;
	    }

	    this[offset + i] = (value / mul >> 0) - sub & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
	  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
	  if (value < 0) value = 0xff + value + 1;
	  this[offset] = value & 0xff;
	  return offset + 1;
	};

	Buffer.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	  } else {
	    objectWriteUInt16(this, value, offset, true);
	  }

	  return offset + 2;
	};

	Buffer.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 8;
	    this[offset + 1] = value & 0xff;
	  } else {
	    objectWriteUInt16(this, value, offset, false);
	  }

	  return offset + 2;
	};

	Buffer.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	    this[offset + 2] = value >>> 16;
	    this[offset + 3] = value >>> 24;
	  } else {
	    objectWriteUInt32(this, value, offset, true);
	  }

	  return offset + 4;
	};

	Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
	  if (value < 0) value = 0xffffffff + value + 1;

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 24;
	    this[offset + 1] = value >>> 16;
	    this[offset + 2] = value >>> 8;
	    this[offset + 3] = value & 0xff;
	  } else {
	    objectWriteUInt32(this, value, offset, false);
	  }

	  return offset + 4;
	};

	function checkIEEE754(buf, value, offset, ext, max, min) {
	  if (offset + ext > buf.length) throw new RangeError('Index out of range');
	  if (offset < 0) throw new RangeError('Index out of range');
	}

	function writeFloat(buf, value, offset, littleEndian, noAssert) {
	  if (!noAssert) {
	    checkIEEE754(buf, value, offset, 4);
	  }

	  write(buf, value, offset, littleEndian, 23, 4);
	  return offset + 4;
	}

	Buffer.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
	  return writeFloat(this, value, offset, true, noAssert);
	};

	Buffer.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
	  return writeFloat(this, value, offset, false, noAssert);
	};

	function writeDouble(buf, value, offset, littleEndian, noAssert) {
	  if (!noAssert) {
	    checkIEEE754(buf, value, offset, 8);
	  }

	  write(buf, value, offset, littleEndian, 52, 8);
	  return offset + 8;
	}

	Buffer.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
	  return writeDouble(this, value, offset, true, noAssert);
	};

	Buffer.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
	  return writeDouble(this, value, offset, false, noAssert);
	}; // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)


	Buffer.prototype.copy = function copy(target, targetStart, start, end) {
	  if (!start) start = 0;
	  if (!end && end !== 0) end = this.length;
	  if (targetStart >= target.length) targetStart = target.length;
	  if (!targetStart) targetStart = 0;
	  if (end > 0 && end < start) end = start; // Copy 0 bytes; we're done

	  if (end === start) return 0;
	  if (target.length === 0 || this.length === 0) return 0; // Fatal error conditions

	  if (targetStart < 0) {
	    throw new RangeError('targetStart out of bounds');
	  }

	  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds');
	  if (end < 0) throw new RangeError('sourceEnd out of bounds'); // Are we oob?

	  if (end > this.length) end = this.length;

	  if (target.length - targetStart < end - start) {
	    end = target.length - targetStart + start;
	  }

	  var len = end - start;
	  var i;

	  if (this === target && start < targetStart && targetStart < end) {
	    // descending copy from end
	    for (i = len - 1; i >= 0; --i) {
	      target[i + targetStart] = this[i + start];
	    }
	  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
	    // ascending copy from start
	    for (i = 0; i < len; ++i) {
	      target[i + targetStart] = this[i + start];
	    }
	  } else {
	    Uint8Array.prototype.set.call(target, this.subarray(start, start + len), targetStart);
	  }

	  return len;
	}; // Usage:
	//    buffer.fill(number[, offset[, end]])
	//    buffer.fill(buffer[, offset[, end]])
	//    buffer.fill(string[, offset[, end]][, encoding])


	Buffer.prototype.fill = function fill(val, start, end, encoding) {
	  // Handle string cases:
	  if (typeof val === 'string') {
	    if (typeof start === 'string') {
	      encoding = start;
	      start = 0;
	      end = this.length;
	    } else if (typeof end === 'string') {
	      encoding = end;
	      end = this.length;
	    }

	    if (val.length === 1) {
	      var code = val.charCodeAt(0);

	      if (code < 256) {
	        val = code;
	      }
	    }

	    if (encoding !== undefined && typeof encoding !== 'string') {
	      throw new TypeError('encoding must be a string');
	    }

	    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
	      throw new TypeError('Unknown encoding: ' + encoding);
	    }
	  } else if (typeof val === 'number') {
	    val = val & 255;
	  } // Invalid ranges are not set to a default, so can range check early.


	  if (start < 0 || this.length < start || this.length < end) {
	    throw new RangeError('Out of range index');
	  }

	  if (end <= start) {
	    return this;
	  }

	  start = start >>> 0;
	  end = end === undefined ? this.length : end >>> 0;
	  if (!val) val = 0;
	  var i;

	  if (typeof val === 'number') {
	    for (i = start; i < end; ++i) {
	      this[i] = val;
	    }
	  } else {
	    var bytes = internalIsBuffer(val) ? val : utf8ToBytes(new Buffer(val, encoding).toString());
	    var len = bytes.length;

	    for (i = 0; i < end - start; ++i) {
	      this[i + start] = bytes[i % len];
	    }
	  }

	  return this;
	}; // HELPER FUNCTIONS
	// ================


	var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g;

	function base64clean(str) {
	  // Node strips out invalid characters like \n and \t from the string, base64-js does not
	  str = stringtrim(str).replace(INVALID_BASE64_RE, ''); // Node converts strings with length < 2 to ''

	  if (str.length < 2) return ''; // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not

	  while (str.length % 4 !== 0) {
	    str = str + '=';
	  }

	  return str;
	}

	function stringtrim(str) {
	  if (str.trim) return str.trim();
	  return str.replace(/^\s+|\s+$/g, '');
	}

	function toHex(n) {
	  if (n < 16) return '0' + n.toString(16);
	  return n.toString(16);
	}

	function utf8ToBytes(string, units) {
	  units = units || Infinity;
	  var codePoint;
	  var length = string.length;
	  var leadSurrogate = null;
	  var bytes = [];

	  for (var i = 0; i < length; ++i) {
	    codePoint = string.charCodeAt(i); // is surrogate component

	    if (codePoint > 0xD7FF && codePoint < 0xE000) {
	      // last char was a lead
	      if (!leadSurrogate) {
	        // no lead yet
	        if (codePoint > 0xDBFF) {
	          // unexpected trail
	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	          continue;
	        } else if (i + 1 === length) {
	          // unpaired lead
	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	          continue;
	        } // valid lead


	        leadSurrogate = codePoint;
	        continue;
	      } // 2 leads in a row


	      if (codePoint < 0xDC00) {
	        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	        leadSurrogate = codePoint;
	        continue;
	      } // valid surrogate pair


	      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
	    } else if (leadSurrogate) {
	      // valid bmp char, but last char was a lead
	      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	    }

	    leadSurrogate = null; // encode utf8

	    if (codePoint < 0x80) {
	      if ((units -= 1) < 0) break;
	      bytes.push(codePoint);
	    } else if (codePoint < 0x800) {
	      if ((units -= 2) < 0) break;
	      bytes.push(codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80);
	    } else if (codePoint < 0x10000) {
	      if ((units -= 3) < 0) break;
	      bytes.push(codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
	    } else if (codePoint < 0x110000) {
	      if ((units -= 4) < 0) break;
	      bytes.push(codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
	    } else {
	      throw new Error('Invalid code point');
	    }
	  }

	  return bytes;
	}

	function asciiToBytes(str) {
	  var byteArray = [];

	  for (var i = 0; i < str.length; ++i) {
	    // Node's code seems to be doing this and not & 0x7F..
	    byteArray.push(str.charCodeAt(i) & 0xFF);
	  }

	  return byteArray;
	}

	function utf16leToBytes(str, units) {
	  var c, hi, lo;
	  var byteArray = [];

	  for (var i = 0; i < str.length; ++i) {
	    if ((units -= 2) < 0) break;
	    c = str.charCodeAt(i);
	    hi = c >> 8;
	    lo = c % 256;
	    byteArray.push(lo);
	    byteArray.push(hi);
	  }

	  return byteArray;
	}

	function base64ToBytes(str) {
	  return toByteArray(base64clean(str));
	}

	function blitBuffer(src, dst, offset, length) {
	  for (var i = 0; i < length; ++i) {
	    if (i + offset >= dst.length || i >= src.length) break;
	    dst[i + offset] = src[i];
	  }

	  return i;
	}

	function isnan(val) {
	  return val !== val; // eslint-disable-line no-self-compare
	} // the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
	// The _isBuffer check is for Safari 5-7 support, because it's missing
	// Object.prototype.constructor. Remove this eventually


	function isBuffer(obj) {
	  return obj != null && (!!obj._isBuffer || isFastBuffer(obj) || isSlowBuffer(obj));
	}

	function isFastBuffer(obj) {
	  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj);
	} // For Node v0.10 support. Remove this eventually.


	function isSlowBuffer(obj) {
	  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer(obj.slice(0, 0));
	}

	// based off https://github.com/defunctzombie/node-process/blob/master/browser.js

	function defaultSetTimout$1() {
	  throw new Error('setTimeout has not been defined');
	}

	function defaultClearTimeout$1() {
	  throw new Error('clearTimeout has not been defined');
	}

	var cachedSetTimeout$1 = defaultSetTimout$1;
	var cachedClearTimeout$1 = defaultClearTimeout$1;

	if (typeof global$2.setTimeout === 'function') {
	  cachedSetTimeout$1 = setTimeout;
	}

	if (typeof global$2.clearTimeout === 'function') {
	  cachedClearTimeout$1 = clearTimeout;
	}

	function runTimeout$1(fun) {
	  if (cachedSetTimeout$1 === setTimeout) {
	    //normal enviroments in sane situations
	    return setTimeout(fun, 0);
	  } // if setTimeout wasn't available but was latter defined


	  if ((cachedSetTimeout$1 === defaultSetTimout$1 || !cachedSetTimeout$1) && setTimeout) {
	    cachedSetTimeout$1 = setTimeout;
	    return setTimeout(fun, 0);
	  }

	  try {
	    // when when somebody has screwed with setTimeout but no I.E. maddness
	    return cachedSetTimeout$1(fun, 0);
	  } catch (e) {
	    try {
	      // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
	      return cachedSetTimeout$1.call(null, fun, 0);
	    } catch (e) {
	      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
	      return cachedSetTimeout$1.call(this, fun, 0);
	    }
	  }
	}

	function runClearTimeout$1(marker) {
	  if (cachedClearTimeout$1 === clearTimeout) {
	    //normal enviroments in sane situations
	    return clearTimeout(marker);
	  } // if clearTimeout wasn't available but was latter defined


	  if ((cachedClearTimeout$1 === defaultClearTimeout$1 || !cachedClearTimeout$1) && clearTimeout) {
	    cachedClearTimeout$1 = clearTimeout;
	    return clearTimeout(marker);
	  }

	  try {
	    // when when somebody has screwed with setTimeout but no I.E. maddness
	    return cachedClearTimeout$1(marker);
	  } catch (e) {
	    try {
	      // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
	      return cachedClearTimeout$1.call(null, marker);
	    } catch (e) {
	      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
	      // Some versions of I.E. have different rules for clearTimeout vs setTimeout
	      return cachedClearTimeout$1.call(this, marker);
	    }
	  }
	}

	var queue$1 = [];
	var draining$1 = false;
	var currentQueue$1;
	var queueIndex$1 = -1;

	function cleanUpNextTick$1() {
	  if (!draining$1 || !currentQueue$1) {
	    return;
	  }

	  draining$1 = false;

	  if (currentQueue$1.length) {
	    queue$1 = currentQueue$1.concat(queue$1);
	  } else {
	    queueIndex$1 = -1;
	  }

	  if (queue$1.length) {
	    drainQueue$1();
	  }
	}

	function drainQueue$1() {
	  if (draining$1) {
	    return;
	  }

	  var timeout = runTimeout$1(cleanUpNextTick$1);
	  draining$1 = true;
	  var len = queue$1.length;

	  while (len) {
	    currentQueue$1 = queue$1;
	    queue$1 = [];

	    while (++queueIndex$1 < len) {
	      if (currentQueue$1) {
	        currentQueue$1[queueIndex$1].run();
	      }
	    }

	    queueIndex$1 = -1;
	    len = queue$1.length;
	  }

	  currentQueue$1 = null;
	  draining$1 = false;
	  runClearTimeout$1(timeout);
	}

	function nextTick$1(fun) {
	  var args = new Array(arguments.length - 1);

	  if (arguments.length > 1) {
	    for (var i = 1; i < arguments.length; i++) {
	      args[i - 1] = arguments[i];
	    }
	  }

	  queue$1.push(new Item$1(fun, args));

	  if (queue$1.length === 1 && !draining$1) {
	    runTimeout$1(drainQueue$1);
	  }
	} // v8 likes predictible objects


	function Item$1(fun, array) {
	  this.fun = fun;
	  this.array = array;
	}

	Item$1.prototype.run = function () {
	  this.fun.apply(null, this.array);
	};


	var performance$1 = global$2.performance || {};

	performance$1.now || performance$1.mozNow || performance$1.msNow || performance$1.oNow || performance$1.webkitNow || function () {
	  return new Date().getTime();
	}; // generate timestamp or delta

	var inherits;

	if (typeof Object.create === 'function') {
	  inherits = function inherits(ctor, superCtor) {
	    // implementation from standard node.js 'util' module
	    ctor.super_ = superCtor;
	    ctor.prototype = Object.create(superCtor.prototype, {
	      constructor: {
	        value: ctor,
	        enumerable: false,
	        writable: true,
	        configurable: true
	      }
	    });
	  };
	} else {
	  inherits = function inherits(ctor, superCtor) {
	    ctor.super_ = superCtor;

	    var TempCtor = function TempCtor() {};

	    TempCtor.prototype = superCtor.prototype;
	    ctor.prototype = new TempCtor();
	    ctor.prototype.constructor = ctor;
	  };
	}

	var inherits$1 = inherits;

	var formatRegExp = /%[sdj%]/g;
	function format(f) {
	  if (!isString(f)) {
	    var objects = [];

	    for (var i = 0; i < arguments.length; i++) {
	      objects.push(inspect(arguments[i]));
	    }

	    return objects.join(' ');
	  }

	  var i = 1;
	  var args = arguments;
	  var len = args.length;
	  var str = String(f).replace(formatRegExp, function (x) {
	    if (x === '%%') return '%';
	    if (i >= len) return x;

	    switch (x) {
	      case '%s':
	        return String(args[i++]);

	      case '%d':
	        return Number(args[i++]);

	      case '%j':
	        try {
	          return JSON.stringify(args[i++]);
	        } catch (_) {
	          return '[Circular]';
	        }

	      default:
	        return x;
	    }
	  });

	  for (var x = args[i]; i < len; x = args[++i]) {
	    if (isNull(x) || !isObject$1(x)) {
	      str += ' ' + x;
	    } else {
	      str += ' ' + inspect(x);
	    }
	  }

	  return str;
	}
	// Returns a modified function which warns once by default.
	// If --no-deprecation is set, then it is a no-op.

	function deprecate(fn, msg) {
	  // Allow for deprecating things in the process of starting up.
	  if (isUndefined(global$2.process)) {
	    return function () {
	      return deprecate(fn, msg).apply(this, arguments);
	    };
	  }

	  var warned = false;

	  function deprecated() {
	    if (!warned) {
	      {
	        console.error(msg);
	      }

	      warned = true;
	    }

	    return fn.apply(this, arguments);
	  }

	  return deprecated;
	}
	var debugs = {};
	var debugEnviron;
	function debuglog(set) {
	  if (isUndefined(debugEnviron)) debugEnviron =  '';
	  set = set.toUpperCase();

	  if (!debugs[set]) {
	    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
	      var pid = 0;

	      debugs[set] = function () {
	        var msg = format.apply(null, arguments);
	        console.error('%s %d: %s', set, pid, msg);
	      };
	    } else {
	      debugs[set] = function () {};
	    }
	  }

	  return debugs[set];
	}
	/**
	 * Echos the value of a value. Trys to print the value out
	 * in the best way possible given the different types.
	 *
	 * @param {Object} obj The object to print out.
	 * @param {Object} opts Optional options object that alters the output.
	 */

	/* legacy: obj, showHidden, depth, colors*/

	function inspect(obj, opts) {
	  // default options
	  var ctx = {
	    seen: [],
	    stylize: stylizeNoColor
	  }; // legacy...

	  if (arguments.length >= 3) ctx.depth = arguments[2];
	  if (arguments.length >= 4) ctx.colors = arguments[3];

	  if (isBoolean(opts)) {
	    // legacy...
	    ctx.showHidden = opts;
	  } else if (opts) {
	    // got an "options" object
	    _extend(ctx, opts);
	  } // set default options


	  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
	  if (isUndefined(ctx.depth)) ctx.depth = 2;
	  if (isUndefined(ctx.colors)) ctx.colors = false;
	  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
	  if (ctx.colors) ctx.stylize = stylizeWithColor;
	  return formatValue(ctx, obj, ctx.depth);
	} // http://en.wikipedia.org/wiki/ANSI_escape_code#graphics

	inspect.colors = {
	  'bold': [1, 22],
	  'italic': [3, 23],
	  'underline': [4, 24],
	  'inverse': [7, 27],
	  'white': [37, 39],
	  'grey': [90, 39],
	  'black': [30, 39],
	  'blue': [34, 39],
	  'cyan': [36, 39],
	  'green': [32, 39],
	  'magenta': [35, 39],
	  'red': [31, 39],
	  'yellow': [33, 39]
	}; // Don't use 'blue' not visible on cmd.exe

	inspect.styles = {
	  'special': 'cyan',
	  'number': 'yellow',
	  'boolean': 'yellow',
	  'undefined': 'grey',
	  'null': 'bold',
	  'string': 'green',
	  'date': 'magenta',
	  // "name": intentionally not styling
	  'regexp': 'red'
	};

	function stylizeWithColor(str, styleType) {
	  var style = inspect.styles[styleType];

	  if (style) {
	    return "\x1B[" + inspect.colors[style][0] + 'm' + str + "\x1B[" + inspect.colors[style][1] + 'm';
	  } else {
	    return str;
	  }
	}

	function stylizeNoColor(str, styleType) {
	  return str;
	}

	function arrayToHash(array) {
	  var hash = {};
	  array.forEach(function (val, idx) {
	    hash[val] = true;
	  });
	  return hash;
	}

	function formatValue(ctx, value, recurseTimes) {
	  // Provide a hook for user-specified inspect functions.
	  // Check that value is an object with an inspect function on it
	  if (ctx.customInspect && value && isFunction(value.inspect) && // Filter out the util module, it's inspect function is special
	  value.inspect !== inspect && // Also filter out any prototype objects using the circular check.
	  !(value.constructor && value.constructor.prototype === value)) {
	    var ret = value.inspect(recurseTimes, ctx);

	    if (!isString(ret)) {
	      ret = formatValue(ctx, ret, recurseTimes);
	    }

	    return ret;
	  } // Primitive types cannot have properties


	  var primitive = formatPrimitive(ctx, value);

	  if (primitive) {
	    return primitive;
	  } // Look up the keys of the object.


	  var keys = Object.keys(value);
	  var visibleKeys = arrayToHash(keys);

	  if (ctx.showHidden) {
	    keys = Object.getOwnPropertyNames(value);
	  } // IE doesn't make error fields non-enumerable
	  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx


	  if (isError(value) && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
	    return formatError(value);
	  } // Some type of object without properties can be shortcutted.


	  if (keys.length === 0) {
	    if (isFunction(value)) {
	      var name = value.name ? ': ' + value.name : '';
	      return ctx.stylize('[Function' + name + ']', 'special');
	    }

	    if (isRegExp(value)) {
	      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
	    }

	    if (isDate(value)) {
	      return ctx.stylize(Date.prototype.toString.call(value), 'date');
	    }

	    if (isError(value)) {
	      return formatError(value);
	    }
	  }

	  var base = '',
	      array = false,
	      braces = ['{', '}']; // Make Array say that they are Array

	  if (isArray$2(value)) {
	    array = true;
	    braces = ['[', ']'];
	  } // Make functions say that they are functions


	  if (isFunction(value)) {
	    var n = value.name ? ': ' + value.name : '';
	    base = ' [Function' + n + ']';
	  } // Make RegExps say that they are RegExps


	  if (isRegExp(value)) {
	    base = ' ' + RegExp.prototype.toString.call(value);
	  } // Make dates with properties first say the date


	  if (isDate(value)) {
	    base = ' ' + Date.prototype.toUTCString.call(value);
	  } // Make error with message first say the error


	  if (isError(value)) {
	    base = ' ' + formatError(value);
	  }

	  if (keys.length === 0 && (!array || value.length == 0)) {
	    return braces[0] + base + braces[1];
	  }

	  if (recurseTimes < 0) {
	    if (isRegExp(value)) {
	      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
	    } else {
	      return ctx.stylize('[Object]', 'special');
	    }
	  }

	  ctx.seen.push(value);
	  var output;

	  if (array) {
	    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
	  } else {
	    output = keys.map(function (key) {
	      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
	    });
	  }

	  ctx.seen.pop();
	  return reduceToSingleString(output, base, braces);
	}

	function formatPrimitive(ctx, value) {
	  if (isUndefined(value)) return ctx.stylize('undefined', 'undefined');

	  if (isString(value)) {
	    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '').replace(/'/g, "\\'").replace(/\\"/g, '"') + '\'';
	    return ctx.stylize(simple, 'string');
	  }

	  if (isNumber(value)) return ctx.stylize('' + value, 'number');
	  if (isBoolean(value)) return ctx.stylize('' + value, 'boolean'); // For some reason typeof null is "object", so special case here.

	  if (isNull(value)) return ctx.stylize('null', 'null');
	}

	function formatError(value) {
	  return '[' + Error.prototype.toString.call(value) + ']';
	}

	function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
	  var output = [];

	  for (var i = 0, l = value.length; i < l; ++i) {
	    if (hasOwnProperty$1(value, String(i))) {
	      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, String(i), true));
	    } else {
	      output.push('');
	    }
	  }

	  keys.forEach(function (key) {
	    if (!key.match(/^\d+$/)) {
	      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, key, true));
	    }
	  });
	  return output;
	}

	function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
	  var name, str, desc;
	  desc = Object.getOwnPropertyDescriptor(value, key) || {
	    value: value[key]
	  };

	  if (desc.get) {
	    if (desc.set) {
	      str = ctx.stylize('[Getter/Setter]', 'special');
	    } else {
	      str = ctx.stylize('[Getter]', 'special');
	    }
	  } else {
	    if (desc.set) {
	      str = ctx.stylize('[Setter]', 'special');
	    }
	  }

	  if (!hasOwnProperty$1(visibleKeys, key)) {
	    name = '[' + key + ']';
	  }

	  if (!str) {
	    if (ctx.seen.indexOf(desc.value) < 0) {
	      if (isNull(recurseTimes)) {
	        str = formatValue(ctx, desc.value, null);
	      } else {
	        str = formatValue(ctx, desc.value, recurseTimes - 1);
	      }

	      if (str.indexOf('\n') > -1) {
	        if (array) {
	          str = str.split('\n').map(function (line) {
	            return '  ' + line;
	          }).join('\n').substr(2);
	        } else {
	          str = '\n' + str.split('\n').map(function (line) {
	            return '   ' + line;
	          }).join('\n');
	        }
	      }
	    } else {
	      str = ctx.stylize('[Circular]', 'special');
	    }
	  }

	  if (isUndefined(name)) {
	    if (array && key.match(/^\d+$/)) {
	      return str;
	    }

	    name = JSON.stringify('' + key);

	    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
	      name = name.substr(1, name.length - 2);
	      name = ctx.stylize(name, 'name');
	    } else {
	      name = name.replace(/'/g, "\\'").replace(/\\"/g, '"').replace(/(^"|"$)/g, "'");
	      name = ctx.stylize(name, 'string');
	    }
	  }

	  return name + ': ' + str;
	}

	function reduceToSingleString(output, base, braces) {
	  var length = output.reduce(function (prev, cur) {
	    if (cur.indexOf('\n') >= 0) ;
	    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
	  }, 0);

	  if (length > 60) {
	    return braces[0] + (base === '' ? '' : base + '\n ') + ' ' + output.join(',\n  ') + ' ' + braces[1];
	  }

	  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
	} // NOTE: These type checking functions intentionally don't use `instanceof`
	// because it is fragile and can be easily faked with `Object.create()`.


	function isArray$2(ar) {
	  return Array.isArray(ar);
	}
	function isBoolean(arg) {
	  return typeof arg === 'boolean';
	}
	function isNull(arg) {
	  return arg === null;
	}
	function isNullOrUndefined(arg) {
	  return arg == null;
	}
	function isNumber(arg) {
	  return typeof arg === 'number';
	}
	function isString(arg) {
	  return typeof arg === 'string';
	}
	function isSymbol$1(arg) {
	  return _typeof(arg) === 'symbol';
	}
	function isUndefined(arg) {
	  return arg === void 0;
	}
	function isRegExp(re) {
	  return isObject$1(re) && objectToString$1(re) === '[object RegExp]';
	}
	function isObject$1(arg) {
	  return _typeof(arg) === 'object' && arg !== null;
	}
	function isDate(d) {
	  return isObject$1(d) && objectToString$1(d) === '[object Date]';
	}
	function isError(e) {
	  return isObject$1(e) && (objectToString$1(e) === '[object Error]' || e instanceof Error);
	}
	function isFunction(arg) {
	  return typeof arg === 'function';
	}
	function isPrimitive(arg) {
	  return arg === null || typeof arg === 'boolean' || typeof arg === 'number' || typeof arg === 'string' || _typeof(arg) === 'symbol' || // ES6 symbol
	  typeof arg === 'undefined';
	}
	function isBuffer$1(maybeBuf) {
	  return isBuffer(maybeBuf);
	}

	function objectToString$1(o) {
	  return Object.prototype.toString.call(o);
	}

	function pad(n) {
	  return n < 10 ? '0' + n.toString(10) : n.toString(10);
	}

	var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; // 26 Feb 16:19:34

	function timestamp() {
	  var d = new Date();
	  var time = [pad(d.getHours()), pad(d.getMinutes()), pad(d.getSeconds())].join(':');
	  return [d.getDate(), months[d.getMonth()], time].join(' ');
	} // log is just a thin wrapper to console.log that prepends a timestamp


	function log$1() {
	  console.log('%s - %s', timestamp(), format.apply(null, arguments));
	}
	function _extend(origin, add) {
	  // Don't do anything if add isn't an object
	  if (!add || !isObject$1(add)) return origin;
	  var keys = Object.keys(add);
	  var i = keys.length;

	  while (i--) {
	    origin[keys[i]] = add[keys[i]];
	  }

	  return origin;
	}

	function hasOwnProperty$1(obj, prop) {
	  return Object.prototype.hasOwnProperty.call(obj, prop);
	}

	var util = {
	  inherits: inherits$1,
	  _extend: _extend,
	  log: log$1,
	  isBuffer: isBuffer$1,
	  isPrimitive: isPrimitive,
	  isFunction: isFunction,
	  isError: isError,
	  isDate: isDate,
	  isObject: isObject$1,
	  isRegExp: isRegExp,
	  isUndefined: isUndefined,
	  isSymbol: isSymbol$1,
	  isString: isString,
	  isNumber: isNumber,
	  isNullOrUndefined: isNullOrUndefined,
	  isNull: isNull,
	  isBoolean: isBoolean,
	  isArray: isArray$2,
	  inspect: inspect,
	  deprecate: deprecate,
	  format: format,
	  debuglog: debuglog
	};

	var lookup$1 = [];
	var revLookup$1 = [];
	var Arr$1 = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
	var inited$1 = false;

	function init$1() {
	  inited$1 = true;
	  var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

	  for (var i = 0, len = code.length; i < len; ++i) {
	    lookup$1[i] = code[i];
	    revLookup$1[code.charCodeAt(i)] = i;
	  }

	  revLookup$1['-'.charCodeAt(0)] = 62;
	  revLookup$1['_'.charCodeAt(0)] = 63;
	}

	function toByteArray$1(b64) {
	  if (!inited$1) {
	    init$1();
	  }

	  var i, j, l, tmp, placeHolders, arr;
	  var len = b64.length;

	  if (len % 4 > 0) {
	    throw new Error('Invalid string. Length must be a multiple of 4');
	  } // the number of equal signs (place holders)
	  // if there are two placeholders, than the two characters before it
	  // represent one byte
	  // if there is only one, then the three characters before it represent 2 bytes
	  // this is just a cheap hack to not do indexOf twice


	  placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0; // base64 is 4/3 + up to two characters of the original data

	  arr = new Arr$1(len * 3 / 4 - placeHolders); // if there are placeholders, only get up to the last complete 4 chars

	  l = placeHolders > 0 ? len - 4 : len;
	  var L = 0;

	  for (i = 0, j = 0; i < l; i += 4, j += 3) {
	    tmp = revLookup$1[b64.charCodeAt(i)] << 18 | revLookup$1[b64.charCodeAt(i + 1)] << 12 | revLookup$1[b64.charCodeAt(i + 2)] << 6 | revLookup$1[b64.charCodeAt(i + 3)];
	    arr[L++] = tmp >> 16 & 0xFF;
	    arr[L++] = tmp >> 8 & 0xFF;
	    arr[L++] = tmp & 0xFF;
	  }

	  if (placeHolders === 2) {
	    tmp = revLookup$1[b64.charCodeAt(i)] << 2 | revLookup$1[b64.charCodeAt(i + 1)] >> 4;
	    arr[L++] = tmp & 0xFF;
	  } else if (placeHolders === 1) {
	    tmp = revLookup$1[b64.charCodeAt(i)] << 10 | revLookup$1[b64.charCodeAt(i + 1)] << 4 | revLookup$1[b64.charCodeAt(i + 2)] >> 2;
	    arr[L++] = tmp >> 8 & 0xFF;
	    arr[L++] = tmp & 0xFF;
	  }

	  return arr;
	}

	function tripletToBase64$1(num) {
	  return lookup$1[num >> 18 & 0x3F] + lookup$1[num >> 12 & 0x3F] + lookup$1[num >> 6 & 0x3F] + lookup$1[num & 0x3F];
	}

	function encodeChunk$1(uint8, start, end) {
	  var tmp;
	  var output = [];

	  for (var i = start; i < end; i += 3) {
	    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + uint8[i + 2];
	    output.push(tripletToBase64$1(tmp));
	  }

	  return output.join('');
	}

	function fromByteArray$1(uint8) {
	  if (!inited$1) {
	    init$1();
	  }

	  var tmp;
	  var len = uint8.length;
	  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes

	  var output = '';
	  var parts = [];
	  var maxChunkLength = 16383; // must be multiple of 3
	  // go through the array every three bytes, we'll deal with trailing stuff later

	  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
	    parts.push(encodeChunk$1(uint8, i, i + maxChunkLength > len2 ? len2 : i + maxChunkLength));
	  } // pad the end with zeros, but make sure to not forget the extra bytes


	  if (extraBytes === 1) {
	    tmp = uint8[len - 1];
	    output += lookup$1[tmp >> 2];
	    output += lookup$1[tmp << 4 & 0x3F];
	    output += '==';
	  } else if (extraBytes === 2) {
	    tmp = (uint8[len - 2] << 8) + uint8[len - 1];
	    output += lookup$1[tmp >> 10];
	    output += lookup$1[tmp >> 4 & 0x3F];
	    output += lookup$1[tmp << 2 & 0x3F];
	    output += '=';
	  }

	  parts.push(output);
	  return parts.join('');
	}

	function read$1(buffer, offset, isLE, mLen, nBytes) {
	  var e, m;
	  var eLen = nBytes * 8 - mLen - 1;
	  var eMax = (1 << eLen) - 1;
	  var eBias = eMax >> 1;
	  var nBits = -7;
	  var i = isLE ? nBytes - 1 : 0;
	  var d = isLE ? -1 : 1;
	  var s = buffer[offset + i];
	  i += d;
	  e = s & (1 << -nBits) - 1;
	  s >>= -nBits;
	  nBits += eLen;

	  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}

	  m = e & (1 << -nBits) - 1;
	  e >>= -nBits;
	  nBits += mLen;

	  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}

	  if (e === 0) {
	    e = 1 - eBias;
	  } else if (e === eMax) {
	    return m ? NaN : (s ? -1 : 1) * Infinity;
	  } else {
	    m = m + Math.pow(2, mLen);
	    e = e - eBias;
	  }

	  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
	}

	function write$1(buffer, value, offset, isLE, mLen, nBytes) {
	  var e, m, c;
	  var eLen = nBytes * 8 - mLen - 1;
	  var eMax = (1 << eLen) - 1;
	  var eBias = eMax >> 1;
	  var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
	  var i = isLE ? 0 : nBytes - 1;
	  var d = isLE ? 1 : -1;
	  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
	  value = Math.abs(value);

	  if (isNaN(value) || value === Infinity) {
	    m = isNaN(value) ? 1 : 0;
	    e = eMax;
	  } else {
	    e = Math.floor(Math.log(value) / Math.LN2);

	    if (value * (c = Math.pow(2, -e)) < 1) {
	      e--;
	      c *= 2;
	    }

	    if (e + eBias >= 1) {
	      value += rt / c;
	    } else {
	      value += rt * Math.pow(2, 1 - eBias);
	    }

	    if (value * c >= 2) {
	      e++;
	      c /= 2;
	    }

	    if (e + eBias >= eMax) {
	      m = 0;
	      e = eMax;
	    } else if (e + eBias >= 1) {
	      m = (value * c - 1) * Math.pow(2, mLen);
	      e = e + eBias;
	    } else {
	      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
	      e = 0;
	    }
	  }

	  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

	  e = e << mLen | m;
	  eLen += mLen;

	  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

	  buffer[offset + i - d] |= s * 128;
	}

	var toString$3 = {}.toString;

	var isArray$3 = Array.isArray || function (arr) {
	  return toString$3.call(arr) == '[object Array]';
	};
	/*!
	 * The buffer module from node.js, for the browser.
	 *
	 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
	 * @license  MIT
	 */


	var INSPECT_MAX_BYTES$1 = 50;
	/**
	 * If `Buffer.TYPED_ARRAY_SUPPORT`:
	 *   === true    Use Uint8Array implementation (fastest)
	 *   === false   Use Object implementation (most compatible, even IE6)
	 *
	 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
	 * Opera 11.6+, iOS 4.2+.
	 *
	 * Due to various browser bugs, sometimes the Object implementation will be used even
	 * when the browser supports typed arrays.
	 *
	 * Note:
	 *
	 *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
	 *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
	 *
	 *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
	 *
	 *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
	 *     incorrect length in some situations.

	 * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
	 * get the Object implementation, which is slower but behaves correctly.
	 */

	Buffer$1.TYPED_ARRAY_SUPPORT = global$2.TYPED_ARRAY_SUPPORT !== undefined ? global$2.TYPED_ARRAY_SUPPORT : true;

	function kMaxLength$1() {
	  return Buffer$1.TYPED_ARRAY_SUPPORT ? 0x7fffffff : 0x3fffffff;
	}

	function createBuffer$1(that, length) {
	  if (kMaxLength$1() < length) {
	    throw new RangeError('Invalid typed array length');
	  }

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    // Return an augmented `Uint8Array` instance, for best performance
	    that = new Uint8Array(length);
	    that.__proto__ = Buffer$1.prototype;
	  } else {
	    // Fallback: Return an object instance of the Buffer class
	    if (that === null) {
	      that = new Buffer$1(length);
	    }

	    that.length = length;
	  }

	  return that;
	}
	/**
	 * The Buffer constructor returns instances of `Uint8Array` that have their
	 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
	 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
	 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
	 * returns a single octet.
	 *
	 * The `Uint8Array` prototype remains unmodified.
	 */


	function Buffer$1(arg, encodingOrOffset, length) {
	  if (!Buffer$1.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer$1)) {
	    return new Buffer$1(arg, encodingOrOffset, length);
	  } // Common case.


	  if (typeof arg === 'number') {
	    if (typeof encodingOrOffset === 'string') {
	      throw new Error('If encoding is specified then the first argument must be a string');
	    }

	    return allocUnsafe$1(this, arg);
	  }

	  return from$1(this, arg, encodingOrOffset, length);
	}

	Buffer$1.poolSize = 8192; // not used by this implementation
	// TODO: Legacy, not needed anymore. Remove in next major version.

	Buffer$1._augment = function (arr) {
	  arr.__proto__ = Buffer$1.prototype;
	  return arr;
	};

	function from$1(that, value, encodingOrOffset, length) {
	  if (typeof value === 'number') {
	    throw new TypeError('"value" argument must not be a number');
	  }

	  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
	    return fromArrayBuffer$1(that, value, encodingOrOffset, length);
	  }

	  if (typeof value === 'string') {
	    return fromString$1(that, value, encodingOrOffset);
	  }

	  return fromObject$1(that, value);
	}
	/**
	 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
	 * if value is a number.
	 * Buffer.from(str[, encoding])
	 * Buffer.from(array)
	 * Buffer.from(buffer)
	 * Buffer.from(arrayBuffer[, byteOffset[, length]])
	 **/


	Buffer$1.from = function (value, encodingOrOffset, length) {
	  return from$1(null, value, encodingOrOffset, length);
	};

	if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	  Buffer$1.prototype.__proto__ = Uint8Array.prototype;
	  Buffer$1.__proto__ = Uint8Array;
	}

	function assertSize$1(size) {
	  if (typeof size !== 'number') {
	    throw new TypeError('"size" argument must be a number');
	  } else if (size < 0) {
	    throw new RangeError('"size" argument must not be negative');
	  }
	}

	function alloc$1(that, size, fill, encoding) {
	  assertSize$1(size);

	  if (size <= 0) {
	    return createBuffer$1(that, size);
	  }

	  if (fill !== undefined) {
	    // Only pay attention to encoding if it's a string. This
	    // prevents accidentally sending in a number that would
	    // be interpretted as a start offset.
	    return typeof encoding === 'string' ? createBuffer$1(that, size).fill(fill, encoding) : createBuffer$1(that, size).fill(fill);
	  }

	  return createBuffer$1(that, size);
	}
	/**
	 * Creates a new filled Buffer instance.
	 * alloc(size[, fill[, encoding]])
	 **/


	Buffer$1.alloc = function (size, fill, encoding) {
	  return alloc$1(null, size, fill, encoding);
	};

	function allocUnsafe$1(that, size) {
	  assertSize$1(size);
	  that = createBuffer$1(that, size < 0 ? 0 : checked$1(size) | 0);

	  if (!Buffer$1.TYPED_ARRAY_SUPPORT) {
	    for (var i = 0; i < size; ++i) {
	      that[i] = 0;
	    }
	  }

	  return that;
	}
	/**
	 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
	 * */


	Buffer$1.allocUnsafe = function (size) {
	  return allocUnsafe$1(null, size);
	};
	/**
	 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
	 */


	Buffer$1.allocUnsafeSlow = function (size) {
	  return allocUnsafe$1(null, size);
	};

	function fromString$1(that, string, encoding) {
	  if (typeof encoding !== 'string' || encoding === '') {
	    encoding = 'utf8';
	  }

	  if (!Buffer$1.isEncoding(encoding)) {
	    throw new TypeError('"encoding" must be a valid string encoding');
	  }

	  var length = byteLength$1(string, encoding) | 0;
	  that = createBuffer$1(that, length);
	  var actual = that.write(string, encoding);

	  if (actual !== length) {
	    // Writing a hex string, for example, that contains invalid characters will
	    // cause everything after the first invalid character to be ignored. (e.g.
	    // 'abxxcd' will be treated as 'ab')
	    that = that.slice(0, actual);
	  }

	  return that;
	}

	function fromArrayLike$1(that, array) {
	  var length = array.length < 0 ? 0 : checked$1(array.length) | 0;
	  that = createBuffer$1(that, length);

	  for (var i = 0; i < length; i += 1) {
	    that[i] = array[i] & 255;
	  }

	  return that;
	}

	function fromArrayBuffer$1(that, array, byteOffset, length) {
	  array.byteLength; // this throws if `array` is not a valid ArrayBuffer

	  if (byteOffset < 0 || array.byteLength < byteOffset) {
	    throw new RangeError('\'offset\' is out of bounds');
	  }

	  if (array.byteLength < byteOffset + (length || 0)) {
	    throw new RangeError('\'length\' is out of bounds');
	  }

	  if (byteOffset === undefined && length === undefined) {
	    array = new Uint8Array(array);
	  } else if (length === undefined) {
	    array = new Uint8Array(array, byteOffset);
	  } else {
	    array = new Uint8Array(array, byteOffset, length);
	  }

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    // Return an augmented `Uint8Array` instance, for best performance
	    that = array;
	    that.__proto__ = Buffer$1.prototype;
	  } else {
	    // Fallback: Return an object instance of the Buffer class
	    that = fromArrayLike$1(that, array);
	  }

	  return that;
	}

	function fromObject$1(that, obj) {
	  if (internalIsBuffer$1(obj)) {
	    var len = checked$1(obj.length) | 0;
	    that = createBuffer$1(that, len);

	    if (that.length === 0) {
	      return that;
	    }

	    obj.copy(that, 0, 0, len);
	    return that;
	  }

	  if (obj) {
	    if (typeof ArrayBuffer !== 'undefined' && obj.buffer instanceof ArrayBuffer || 'length' in obj) {
	      if (typeof obj.length !== 'number' || isnan$1(obj.length)) {
	        return createBuffer$1(that, 0);
	      }

	      return fromArrayLike$1(that, obj);
	    }

	    if (obj.type === 'Buffer' && isArray$3(obj.data)) {
	      return fromArrayLike$1(that, obj.data);
	    }
	  }

	  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.');
	}

	function checked$1(length) {
	  // Note: cannot use `length < kMaxLength()` here because that fails when
	  // length is NaN (which is otherwise coerced to zero.)
	  if (length >= kMaxLength$1()) {
	    throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + kMaxLength$1().toString(16) + ' bytes');
	  }

	  return length | 0;
	}

	Buffer$1.isBuffer = isBuffer$2;

	function internalIsBuffer$1(b) {
	  return !!(b != null && b._isBuffer);
	}

	Buffer$1.compare = function compare(a, b) {
	  if (!internalIsBuffer$1(a) || !internalIsBuffer$1(b)) {
	    throw new TypeError('Arguments must be Buffers');
	  }

	  if (a === b) return 0;
	  var x = a.length;
	  var y = b.length;

	  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
	    if (a[i] !== b[i]) {
	      x = a[i];
	      y = b[i];
	      break;
	    }
	  }

	  if (x < y) return -1;
	  if (y < x) return 1;
	  return 0;
	};

	Buffer$1.isEncoding = function isEncoding(encoding) {
	  switch (String(encoding).toLowerCase()) {
	    case 'hex':
	    case 'utf8':
	    case 'utf-8':
	    case 'ascii':
	    case 'latin1':
	    case 'binary':
	    case 'base64':
	    case 'ucs2':
	    case 'ucs-2':
	    case 'utf16le':
	    case 'utf-16le':
	      return true;

	    default:
	      return false;
	  }
	};

	Buffer$1.concat = function concat(list, length) {
	  if (!isArray$3(list)) {
	    throw new TypeError('"list" argument must be an Array of Buffers');
	  }

	  if (list.length === 0) {
	    return Buffer$1.alloc(0);
	  }

	  var i;

	  if (length === undefined) {
	    length = 0;

	    for (i = 0; i < list.length; ++i) {
	      length += list[i].length;
	    }
	  }

	  var buffer = Buffer$1.allocUnsafe(length);
	  var pos = 0;

	  for (i = 0; i < list.length; ++i) {
	    var buf = list[i];

	    if (!internalIsBuffer$1(buf)) {
	      throw new TypeError('"list" argument must be an Array of Buffers');
	    }

	    buf.copy(buffer, pos);
	    pos += buf.length;
	  }

	  return buffer;
	};

	function byteLength$1(string, encoding) {
	  if (internalIsBuffer$1(string)) {
	    return string.length;
	  }

	  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' && (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
	    return string.byteLength;
	  }

	  if (typeof string !== 'string') {
	    string = '' + string;
	  }

	  var len = string.length;
	  if (len === 0) return 0; // Use a for loop to avoid recursion

	  var loweredCase = false;

	  for (;;) {
	    switch (encoding) {
	      case 'ascii':
	      case 'latin1':
	      case 'binary':
	        return len;

	      case 'utf8':
	      case 'utf-8':
	      case undefined:
	        return utf8ToBytes$1(string).length;

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return len * 2;

	      case 'hex':
	        return len >>> 1;

	      case 'base64':
	        return base64ToBytes$1(string).length;

	      default:
	        if (loweredCase) return utf8ToBytes$1(string).length; // assume utf8

	        encoding = ('' + encoding).toLowerCase();
	        loweredCase = true;
	    }
	  }
	}

	Buffer$1.byteLength = byteLength$1;

	function slowToString$1(encoding, start, end) {
	  var loweredCase = false; // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
	  // property of a typed array.
	  // This behaves neither like String nor Uint8Array in that we set start/end
	  // to their upper/lower bounds if the value passed is out of range.
	  // undefined is handled specially as per ECMA-262 6th Edition,
	  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.

	  if (start === undefined || start < 0) {
	    start = 0;
	  } // Return early if start > this.length. Done here to prevent potential uint32
	  // coercion fail below.


	  if (start > this.length) {
	    return '';
	  }

	  if (end === undefined || end > this.length) {
	    end = this.length;
	  }

	  if (end <= 0) {
	    return '';
	  } // Force coersion to uint32. This will also coerce falsey/NaN values to 0.


	  end >>>= 0;
	  start >>>= 0;

	  if (end <= start) {
	    return '';
	  }

	  if (!encoding) encoding = 'utf8';

	  while (true) {
	    switch (encoding) {
	      case 'hex':
	        return hexSlice$1(this, start, end);

	      case 'utf8':
	      case 'utf-8':
	        return utf8Slice$1(this, start, end);

	      case 'ascii':
	        return asciiSlice$1(this, start, end);

	      case 'latin1':
	      case 'binary':
	        return latin1Slice$1(this, start, end);

	      case 'base64':
	        return base64Slice$1(this, start, end);

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return utf16leSlice$1(this, start, end);

	      default:
	        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
	        encoding = (encoding + '').toLowerCase();
	        loweredCase = true;
	    }
	  }
	} // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
	// Buffer instances.


	Buffer$1.prototype._isBuffer = true;

	function swap$1(b, n, m) {
	  var i = b[n];
	  b[n] = b[m];
	  b[m] = i;
	}

	Buffer$1.prototype.swap16 = function swap16() {
	  var len = this.length;

	  if (len % 2 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 16-bits');
	  }

	  for (var i = 0; i < len; i += 2) {
	    swap$1(this, i, i + 1);
	  }

	  return this;
	};

	Buffer$1.prototype.swap32 = function swap32() {
	  var len = this.length;

	  if (len % 4 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 32-bits');
	  }

	  for (var i = 0; i < len; i += 4) {
	    swap$1(this, i, i + 3);
	    swap$1(this, i + 1, i + 2);
	  }

	  return this;
	};

	Buffer$1.prototype.swap64 = function swap64() {
	  var len = this.length;

	  if (len % 8 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 64-bits');
	  }

	  for (var i = 0; i < len; i += 8) {
	    swap$1(this, i, i + 7);
	    swap$1(this, i + 1, i + 6);
	    swap$1(this, i + 2, i + 5);
	    swap$1(this, i + 3, i + 4);
	  }

	  return this;
	};

	Buffer$1.prototype.toString = function toString() {
	  var length = this.length | 0;
	  if (length === 0) return '';
	  if (arguments.length === 0) return utf8Slice$1(this, 0, length);
	  return slowToString$1.apply(this, arguments);
	};

	Buffer$1.prototype.equals = function equals(b) {
	  if (!internalIsBuffer$1(b)) throw new TypeError('Argument must be a Buffer');
	  if (this === b) return true;
	  return Buffer$1.compare(this, b) === 0;
	};

	Buffer$1.prototype.inspect = function inspect() {
	  var str = '';
	  var max = INSPECT_MAX_BYTES$1;

	  if (this.length > 0) {
	    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
	    if (this.length > max) str += ' ... ';
	  }

	  return '<Buffer ' + str + '>';
	};

	Buffer$1.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
	  if (!internalIsBuffer$1(target)) {
	    throw new TypeError('Argument must be a Buffer');
	  }

	  if (start === undefined) {
	    start = 0;
	  }

	  if (end === undefined) {
	    end = target ? target.length : 0;
	  }

	  if (thisStart === undefined) {
	    thisStart = 0;
	  }

	  if (thisEnd === undefined) {
	    thisEnd = this.length;
	  }

	  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
	    throw new RangeError('out of range index');
	  }

	  if (thisStart >= thisEnd && start >= end) {
	    return 0;
	  }

	  if (thisStart >= thisEnd) {
	    return -1;
	  }

	  if (start >= end) {
	    return 1;
	  }

	  start >>>= 0;
	  end >>>= 0;
	  thisStart >>>= 0;
	  thisEnd >>>= 0;
	  if (this === target) return 0;
	  var x = thisEnd - thisStart;
	  var y = end - start;
	  var len = Math.min(x, y);
	  var thisCopy = this.slice(thisStart, thisEnd);
	  var targetCopy = target.slice(start, end);

	  for (var i = 0; i < len; ++i) {
	    if (thisCopy[i] !== targetCopy[i]) {
	      x = thisCopy[i];
	      y = targetCopy[i];
	      break;
	    }
	  }

	  if (x < y) return -1;
	  if (y < x) return 1;
	  return 0;
	}; // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
	// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
	//
	// Arguments:
	// - buffer - a Buffer to search
	// - val - a string, Buffer, or number
	// - byteOffset - an index into `buffer`; will be clamped to an int32
	// - encoding - an optional encoding, relevant is val is a string
	// - dir - true for indexOf, false for lastIndexOf


	function bidirectionalIndexOf$1(buffer, val, byteOffset, encoding, dir) {
	  // Empty buffer means no match
	  if (buffer.length === 0) return -1; // Normalize byteOffset

	  if (typeof byteOffset === 'string') {
	    encoding = byteOffset;
	    byteOffset = 0;
	  } else if (byteOffset > 0x7fffffff) {
	    byteOffset = 0x7fffffff;
	  } else if (byteOffset < -0x80000000) {
	    byteOffset = -0x80000000;
	  }

	  byteOffset = +byteOffset; // Coerce to Number.

	  if (isNaN(byteOffset)) {
	    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
	    byteOffset = dir ? 0 : buffer.length - 1;
	  } // Normalize byteOffset: negative offsets start from the end of the buffer


	  if (byteOffset < 0) byteOffset = buffer.length + byteOffset;

	  if (byteOffset >= buffer.length) {
	    if (dir) return -1;else byteOffset = buffer.length - 1;
	  } else if (byteOffset < 0) {
	    if (dir) byteOffset = 0;else return -1;
	  } // Normalize val


	  if (typeof val === 'string') {
	    val = Buffer$1.from(val, encoding);
	  } // Finally, search either indexOf (if dir is true) or lastIndexOf


	  if (internalIsBuffer$1(val)) {
	    // Special case: looking for empty string/buffer always fails
	    if (val.length === 0) {
	      return -1;
	    }

	    return arrayIndexOf$1(buffer, val, byteOffset, encoding, dir);
	  } else if (typeof val === 'number') {
	    val = val & 0xFF; // Search for a byte value [0-255]

	    if (Buffer$1.TYPED_ARRAY_SUPPORT && typeof Uint8Array.prototype.indexOf === 'function') {
	      if (dir) {
	        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
	      } else {
	        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
	      }
	    }

	    return arrayIndexOf$1(buffer, [val], byteOffset, encoding, dir);
	  }

	  throw new TypeError('val must be string, number or Buffer');
	}

	function arrayIndexOf$1(arr, val, byteOffset, encoding, dir) {
	  var indexSize = 1;
	  var arrLength = arr.length;
	  var valLength = val.length;

	  if (encoding !== undefined) {
	    encoding = String(encoding).toLowerCase();

	    if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') {
	      if (arr.length < 2 || val.length < 2) {
	        return -1;
	      }

	      indexSize = 2;
	      arrLength /= 2;
	      valLength /= 2;
	      byteOffset /= 2;
	    }
	  }

	  function read(buf, i) {
	    if (indexSize === 1) {
	      return buf[i];
	    } else {
	      return buf.readUInt16BE(i * indexSize);
	    }
	  }

	  var i;

	  if (dir) {
	    var foundIndex = -1;

	    for (i = byteOffset; i < arrLength; i++) {
	      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
	        if (foundIndex === -1) foundIndex = i;
	        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
	      } else {
	        if (foundIndex !== -1) i -= i - foundIndex;
	        foundIndex = -1;
	      }
	    }
	  } else {
	    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;

	    for (i = byteOffset; i >= 0; i--) {
	      var found = true;

	      for (var j = 0; j < valLength; j++) {
	        if (read(arr, i + j) !== read(val, j)) {
	          found = false;
	          break;
	        }
	      }

	      if (found) return i;
	    }
	  }

	  return -1;
	}

	Buffer$1.prototype.includes = function includes(val, byteOffset, encoding) {
	  return this.indexOf(val, byteOffset, encoding) !== -1;
	};

	Buffer$1.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
	  return bidirectionalIndexOf$1(this, val, byteOffset, encoding, true);
	};

	Buffer$1.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
	  return bidirectionalIndexOf$1(this, val, byteOffset, encoding, false);
	};

	function hexWrite$1(buf, string, offset, length) {
	  offset = Number(offset) || 0;
	  var remaining = buf.length - offset;

	  if (!length) {
	    length = remaining;
	  } else {
	    length = Number(length);

	    if (length > remaining) {
	      length = remaining;
	    }
	  } // must be an even number of digits


	  var strLen = string.length;
	  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string');

	  if (length > strLen / 2) {
	    length = strLen / 2;
	  }

	  for (var i = 0; i < length; ++i) {
	    var parsed = parseInt(string.substr(i * 2, 2), 16);
	    if (isNaN(parsed)) return i;
	    buf[offset + i] = parsed;
	  }

	  return i;
	}

	function utf8Write$1(buf, string, offset, length) {
	  return blitBuffer$1(utf8ToBytes$1(string, buf.length - offset), buf, offset, length);
	}

	function asciiWrite$1(buf, string, offset, length) {
	  return blitBuffer$1(asciiToBytes$1(string), buf, offset, length);
	}

	function latin1Write$1(buf, string, offset, length) {
	  return asciiWrite$1(buf, string, offset, length);
	}

	function base64Write$1(buf, string, offset, length) {
	  return blitBuffer$1(base64ToBytes$1(string), buf, offset, length);
	}

	function ucs2Write$1(buf, string, offset, length) {
	  return blitBuffer$1(utf16leToBytes$1(string, buf.length - offset), buf, offset, length);
	}

	Buffer$1.prototype.write = function write(string, offset, length, encoding) {
	  // Buffer#write(string)
	  if (offset === undefined) {
	    encoding = 'utf8';
	    length = this.length;
	    offset = 0; // Buffer#write(string, encoding)
	  } else if (length === undefined && typeof offset === 'string') {
	    encoding = offset;
	    length = this.length;
	    offset = 0; // Buffer#write(string, offset[, length][, encoding])
	  } else if (isFinite(offset)) {
	    offset = offset | 0;

	    if (isFinite(length)) {
	      length = length | 0;
	      if (encoding === undefined) encoding = 'utf8';
	    } else {
	      encoding = length;
	      length = undefined;
	    } // legacy write(string, encoding, offset, length) - remove in v0.13

	  } else {
	    throw new Error('Buffer.write(string, encoding, offset[, length]) is no longer supported');
	  }

	  var remaining = this.length - offset;
	  if (length === undefined || length > remaining) length = remaining;

	  if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
	    throw new RangeError('Attempt to write outside buffer bounds');
	  }

	  if (!encoding) encoding = 'utf8';
	  var loweredCase = false;

	  for (;;) {
	    switch (encoding) {
	      case 'hex':
	        return hexWrite$1(this, string, offset, length);

	      case 'utf8':
	      case 'utf-8':
	        return utf8Write$1(this, string, offset, length);

	      case 'ascii':
	        return asciiWrite$1(this, string, offset, length);

	      case 'latin1':
	      case 'binary':
	        return latin1Write$1(this, string, offset, length);

	      case 'base64':
	        // Warning: maxLength not taken into account in base64Write
	        return base64Write$1(this, string, offset, length);

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return ucs2Write$1(this, string, offset, length);

	      default:
	        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
	        encoding = ('' + encoding).toLowerCase();
	        loweredCase = true;
	    }
	  }
	};

	Buffer$1.prototype.toJSON = function toJSON() {
	  return {
	    type: 'Buffer',
	    data: Array.prototype.slice.call(this._arr || this, 0)
	  };
	};

	function base64Slice$1(buf, start, end) {
	  if (start === 0 && end === buf.length) {
	    return fromByteArray$1(buf);
	  } else {
	    return fromByteArray$1(buf.slice(start, end));
	  }
	}

	function utf8Slice$1(buf, start, end) {
	  end = Math.min(buf.length, end);
	  var res = [];
	  var i = start;

	  while (i < end) {
	    var firstByte = buf[i];
	    var codePoint = null;
	    var bytesPerSequence = firstByte > 0xEF ? 4 : firstByte > 0xDF ? 3 : firstByte > 0xBF ? 2 : 1;

	    if (i + bytesPerSequence <= end) {
	      var secondByte, thirdByte, fourthByte, tempCodePoint;

	      switch (bytesPerSequence) {
	        case 1:
	          if (firstByte < 0x80) {
	            codePoint = firstByte;
	          }

	          break;

	        case 2:
	          secondByte = buf[i + 1];

	          if ((secondByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0x1F) << 0x6 | secondByte & 0x3F;

	            if (tempCodePoint > 0x7F) {
	              codePoint = tempCodePoint;
	            }
	          }

	          break;

	        case 3:
	          secondByte = buf[i + 1];
	          thirdByte = buf[i + 2];

	          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | thirdByte & 0x3F;

	            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
	              codePoint = tempCodePoint;
	            }
	          }

	          break;

	        case 4:
	          secondByte = buf[i + 1];
	          thirdByte = buf[i + 2];
	          fourthByte = buf[i + 3];

	          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | fourthByte & 0x3F;

	            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
	              codePoint = tempCodePoint;
	            }
	          }

	      }
	    }

	    if (codePoint === null) {
	      // we did not generate a valid codePoint so insert a
	      // replacement char (U+FFFD) and advance only 1 byte
	      codePoint = 0xFFFD;
	      bytesPerSequence = 1;
	    } else if (codePoint > 0xFFFF) {
	      // encode to utf16 (surrogate pair dance)
	      codePoint -= 0x10000;
	      res.push(codePoint >>> 10 & 0x3FF | 0xD800);
	      codePoint = 0xDC00 | codePoint & 0x3FF;
	    }

	    res.push(codePoint);
	    i += bytesPerSequence;
	  }

	  return decodeCodePointsArray$1(res);
	} // Based on http://stackoverflow.com/a/22747272/680742, the browser with
	// the lowest limit is Chrome, with 0x10000 args.
	// We go 1 magnitude less, for safety


	var MAX_ARGUMENTS_LENGTH$1 = 0x1000;

	function decodeCodePointsArray$1(codePoints) {
	  var len = codePoints.length;

	  if (len <= MAX_ARGUMENTS_LENGTH$1) {
	    return String.fromCharCode.apply(String, codePoints); // avoid extra slice()
	  } // Decode in chunks to avoid "call stack size exceeded".


	  var res = '';
	  var i = 0;

	  while (i < len) {
	    res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH$1));
	  }

	  return res;
	}

	function asciiSlice$1(buf, start, end) {
	  var ret = '';
	  end = Math.min(buf.length, end);

	  for (var i = start; i < end; ++i) {
	    ret += String.fromCharCode(buf[i] & 0x7F);
	  }

	  return ret;
	}

	function latin1Slice$1(buf, start, end) {
	  var ret = '';
	  end = Math.min(buf.length, end);

	  for (var i = start; i < end; ++i) {
	    ret += String.fromCharCode(buf[i]);
	  }

	  return ret;
	}

	function hexSlice$1(buf, start, end) {
	  var len = buf.length;
	  if (!start || start < 0) start = 0;
	  if (!end || end < 0 || end > len) end = len;
	  var out = '';

	  for (var i = start; i < end; ++i) {
	    out += toHex$1(buf[i]);
	  }

	  return out;
	}

	function utf16leSlice$1(buf, start, end) {
	  var bytes = buf.slice(start, end);
	  var res = '';

	  for (var i = 0; i < bytes.length; i += 2) {
	    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
	  }

	  return res;
	}

	Buffer$1.prototype.slice = function slice(start, end) {
	  var len = this.length;
	  start = ~~start;
	  end = end === undefined ? len : ~~end;

	  if (start < 0) {
	    start += len;
	    if (start < 0) start = 0;
	  } else if (start > len) {
	    start = len;
	  }

	  if (end < 0) {
	    end += len;
	    if (end < 0) end = 0;
	  } else if (end > len) {
	    end = len;
	  }

	  if (end < start) end = start;
	  var newBuf;

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    newBuf = this.subarray(start, end);
	    newBuf.__proto__ = Buffer$1.prototype;
	  } else {
	    var sliceLen = end - start;
	    newBuf = new Buffer$1(sliceLen, undefined);

	    for (var i = 0; i < sliceLen; ++i) {
	      newBuf[i] = this[i + start];
	    }
	  }

	  return newBuf;
	};
	/*
	 * Need to make sure that buffer isn't trying to write out of bounds.
	 */


	function checkOffset$1(offset, ext, length) {
	  if (offset % 1 !== 0 || offset < 0) throw new RangeError('offset is not uint');
	  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length');
	}

	Buffer$1.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset$1(offset, byteLength, this.length);
	  var val = this[offset];
	  var mul = 1;
	  var i = 0;

	  while (++i < byteLength && (mul *= 0x100)) {
	    val += this[offset + i] * mul;
	  }

	  return val;
	};

	Buffer$1.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    checkOffset$1(offset, byteLength, this.length);
	  }

	  var val = this[offset + --byteLength];
	  var mul = 1;

	  while (byteLength > 0 && (mul *= 0x100)) {
	    val += this[offset + --byteLength] * mul;
	  }

	  return val;
	};

	Buffer$1.prototype.readUInt8 = function readUInt8(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 1, this.length);
	  return this[offset];
	};

	Buffer$1.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 2, this.length);
	  return this[offset] | this[offset + 1] << 8;
	};

	Buffer$1.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 2, this.length);
	  return this[offset] << 8 | this[offset + 1];
	};

	Buffer$1.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 0x1000000;
	};

	Buffer$1.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return this[offset] * 0x1000000 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
	};

	Buffer$1.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset$1(offset, byteLength, this.length);
	  var val = this[offset];
	  var mul = 1;
	  var i = 0;

	  while (++i < byteLength && (mul *= 0x100)) {
	    val += this[offset + i] * mul;
	  }

	  mul *= 0x80;
	  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
	  return val;
	};

	Buffer$1.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset$1(offset, byteLength, this.length);
	  var i = byteLength;
	  var mul = 1;
	  var val = this[offset + --i];

	  while (i > 0 && (mul *= 0x100)) {
	    val += this[offset + --i] * mul;
	  }

	  mul *= 0x80;
	  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
	  return val;
	};

	Buffer$1.prototype.readInt8 = function readInt8(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 1, this.length);
	  if (!(this[offset] & 0x80)) return this[offset];
	  return (0xff - this[offset] + 1) * -1;
	};

	Buffer$1.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 2, this.length);
	  var val = this[offset] | this[offset + 1] << 8;
	  return val & 0x8000 ? val | 0xFFFF0000 : val;
	};

	Buffer$1.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 2, this.length);
	  var val = this[offset + 1] | this[offset] << 8;
	  return val & 0x8000 ? val | 0xFFFF0000 : val;
	};

	Buffer$1.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
	};

	Buffer$1.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
	};

	Buffer$1.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return read$1(this, offset, true, 23, 4);
	};

	Buffer$1.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return read$1(this, offset, false, 23, 4);
	};

	Buffer$1.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 8, this.length);
	  return read$1(this, offset, true, 52, 8);
	};

	Buffer$1.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 8, this.length);
	  return read$1(this, offset, false, 52, 8);
	};

	function checkInt$1(buf, value, offset, ext, max, min) {
	  if (!internalIsBuffer$1(buf)) throw new TypeError('"buffer" argument must be a Buffer instance');
	  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds');
	  if (offset + ext > buf.length) throw new RangeError('Index out of range');
	}

	Buffer$1.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
	    checkInt$1(this, value, offset, byteLength, maxBytes, 0);
	  }

	  var mul = 1;
	  var i = 0;
	  this[offset] = value & 0xFF;

	  while (++i < byteLength && (mul *= 0x100)) {
	    this[offset + i] = value / mul & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer$1.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
	    checkInt$1(this, value, offset, byteLength, maxBytes, 0);
	  }

	  var i = byteLength - 1;
	  var mul = 1;
	  this[offset + i] = value & 0xFF;

	  while (--i >= 0 && (mul *= 0x100)) {
	    this[offset + i] = value / mul & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer$1.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 1, 0xff, 0);
	  if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
	  this[offset] = value & 0xff;
	  return offset + 1;
	};

	function objectWriteUInt16$1(buf, value, offset, littleEndian) {
	  if (value < 0) value = 0xffff + value + 1;

	  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
	    buf[offset + i] = (value & 0xff << 8 * (littleEndian ? i : 1 - i)) >>> (littleEndian ? i : 1 - i) * 8;
	  }
	}

	Buffer$1.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 2, 0xffff, 0);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	  } else {
	    objectWriteUInt16$1(this, value, offset, true);
	  }

	  return offset + 2;
	};

	Buffer$1.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 2, 0xffff, 0);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 8;
	    this[offset + 1] = value & 0xff;
	  } else {
	    objectWriteUInt16$1(this, value, offset, false);
	  }

	  return offset + 2;
	};

	function objectWriteUInt32$1(buf, value, offset, littleEndian) {
	  if (value < 0) value = 0xffffffff + value + 1;

	  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
	    buf[offset + i] = value >>> (littleEndian ? i : 3 - i) * 8 & 0xff;
	  }
	}

	Buffer$1.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 4, 0xffffffff, 0);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset + 3] = value >>> 24;
	    this[offset + 2] = value >>> 16;
	    this[offset + 1] = value >>> 8;
	    this[offset] = value & 0xff;
	  } else {
	    objectWriteUInt32$1(this, value, offset, true);
	  }

	  return offset + 4;
	};

	Buffer$1.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 4, 0xffffffff, 0);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 24;
	    this[offset + 1] = value >>> 16;
	    this[offset + 2] = value >>> 8;
	    this[offset + 3] = value & 0xff;
	  } else {
	    objectWriteUInt32$1(this, value, offset, false);
	  }

	  return offset + 4;
	};

	Buffer$1.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;

	  if (!noAssert) {
	    var limit = Math.pow(2, 8 * byteLength - 1);
	    checkInt$1(this, value, offset, byteLength, limit - 1, -limit);
	  }

	  var i = 0;
	  var mul = 1;
	  var sub = 0;
	  this[offset] = value & 0xFF;

	  while (++i < byteLength && (mul *= 0x100)) {
	    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
	      sub = 1;
	    }

	    this[offset + i] = (value / mul >> 0) - sub & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer$1.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;

	  if (!noAssert) {
	    var limit = Math.pow(2, 8 * byteLength - 1);
	    checkInt$1(this, value, offset, byteLength, limit - 1, -limit);
	  }

	  var i = byteLength - 1;
	  var mul = 1;
	  var sub = 0;
	  this[offset + i] = value & 0xFF;

	  while (--i >= 0 && (mul *= 0x100)) {
	    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
	      sub = 1;
	    }

	    this[offset + i] = (value / mul >> 0) - sub & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer$1.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 1, 0x7f, -0x80);
	  if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
	  if (value < 0) value = 0xff + value + 1;
	  this[offset] = value & 0xff;
	  return offset + 1;
	};

	Buffer$1.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 2, 0x7fff, -0x8000);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	  } else {
	    objectWriteUInt16$1(this, value, offset, true);
	  }

	  return offset + 2;
	};

	Buffer$1.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 2, 0x7fff, -0x8000);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 8;
	    this[offset + 1] = value & 0xff;
	  } else {
	    objectWriteUInt16$1(this, value, offset, false);
	  }

	  return offset + 2;
	};

	Buffer$1.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 4, 0x7fffffff, -0x80000000);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	    this[offset + 2] = value >>> 16;
	    this[offset + 3] = value >>> 24;
	  } else {
	    objectWriteUInt32$1(this, value, offset, true);
	  }

	  return offset + 4;
	};

	Buffer$1.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 4, 0x7fffffff, -0x80000000);
	  if (value < 0) value = 0xffffffff + value + 1;

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 24;
	    this[offset + 1] = value >>> 16;
	    this[offset + 2] = value >>> 8;
	    this[offset + 3] = value & 0xff;
	  } else {
	    objectWriteUInt32$1(this, value, offset, false);
	  }

	  return offset + 4;
	};

	function checkIEEE754$1(buf, value, offset, ext, max, min) {
	  if (offset + ext > buf.length) throw new RangeError('Index out of range');
	  if (offset < 0) throw new RangeError('Index out of range');
	}

	function writeFloat$1(buf, value, offset, littleEndian, noAssert) {
	  if (!noAssert) {
	    checkIEEE754$1(buf, value, offset, 4);
	  }

	  write$1(buf, value, offset, littleEndian, 23, 4);
	  return offset + 4;
	}

	Buffer$1.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
	  return writeFloat$1(this, value, offset, true, noAssert);
	};

	Buffer$1.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
	  return writeFloat$1(this, value, offset, false, noAssert);
	};

	function writeDouble$1(buf, value, offset, littleEndian, noAssert) {
	  if (!noAssert) {
	    checkIEEE754$1(buf, value, offset, 8);
	  }

	  write$1(buf, value, offset, littleEndian, 52, 8);
	  return offset + 8;
	}

	Buffer$1.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
	  return writeDouble$1(this, value, offset, true, noAssert);
	};

	Buffer$1.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
	  return writeDouble$1(this, value, offset, false, noAssert);
	}; // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)


	Buffer$1.prototype.copy = function copy(target, targetStart, start, end) {
	  if (!start) start = 0;
	  if (!end && end !== 0) end = this.length;
	  if (targetStart >= target.length) targetStart = target.length;
	  if (!targetStart) targetStart = 0;
	  if (end > 0 && end < start) end = start; // Copy 0 bytes; we're done

	  if (end === start) return 0;
	  if (target.length === 0 || this.length === 0) return 0; // Fatal error conditions

	  if (targetStart < 0) {
	    throw new RangeError('targetStart out of bounds');
	  }

	  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds');
	  if (end < 0) throw new RangeError('sourceEnd out of bounds'); // Are we oob?

	  if (end > this.length) end = this.length;

	  if (target.length - targetStart < end - start) {
	    end = target.length - targetStart + start;
	  }

	  var len = end - start;
	  var i;

	  if (this === target && start < targetStart && targetStart < end) {
	    // descending copy from end
	    for (i = len - 1; i >= 0; --i) {
	      target[i + targetStart] = this[i + start];
	    }
	  } else if (len < 1000 || !Buffer$1.TYPED_ARRAY_SUPPORT) {
	    // ascending copy from start
	    for (i = 0; i < len; ++i) {
	      target[i + targetStart] = this[i + start];
	    }
	  } else {
	    Uint8Array.prototype.set.call(target, this.subarray(start, start + len), targetStart);
	  }

	  return len;
	}; // Usage:
	//    buffer.fill(number[, offset[, end]])
	//    buffer.fill(buffer[, offset[, end]])
	//    buffer.fill(string[, offset[, end]][, encoding])


	Buffer$1.prototype.fill = function fill(val, start, end, encoding) {
	  // Handle string cases:
	  if (typeof val === 'string') {
	    if (typeof start === 'string') {
	      encoding = start;
	      start = 0;
	      end = this.length;
	    } else if (typeof end === 'string') {
	      encoding = end;
	      end = this.length;
	    }

	    if (val.length === 1) {
	      var code = val.charCodeAt(0);

	      if (code < 256) {
	        val = code;
	      }
	    }

	    if (encoding !== undefined && typeof encoding !== 'string') {
	      throw new TypeError('encoding must be a string');
	    }

	    if (typeof encoding === 'string' && !Buffer$1.isEncoding(encoding)) {
	      throw new TypeError('Unknown encoding: ' + encoding);
	    }
	  } else if (typeof val === 'number') {
	    val = val & 255;
	  } // Invalid ranges are not set to a default, so can range check early.


	  if (start < 0 || this.length < start || this.length < end) {
	    throw new RangeError('Out of range index');
	  }

	  if (end <= start) {
	    return this;
	  }

	  start = start >>> 0;
	  end = end === undefined ? this.length : end >>> 0;
	  if (!val) val = 0;
	  var i;

	  if (typeof val === 'number') {
	    for (i = start; i < end; ++i) {
	      this[i] = val;
	    }
	  } else {
	    var bytes = internalIsBuffer$1(val) ? val : utf8ToBytes$1(new Buffer$1(val, encoding).toString());
	    var len = bytes.length;

	    for (i = 0; i < end - start; ++i) {
	      this[i + start] = bytes[i % len];
	    }
	  }

	  return this;
	}; // HELPER FUNCTIONS
	// ================


	var INVALID_BASE64_RE$1 = /[^+\/0-9A-Za-z-_]/g;

	function base64clean$1(str) {
	  // Node strips out invalid characters like \n and \t from the string, base64-js does not
	  str = stringtrim$1(str).replace(INVALID_BASE64_RE$1, ''); // Node converts strings with length < 2 to ''

	  if (str.length < 2) return ''; // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not

	  while (str.length % 4 !== 0) {
	    str = str + '=';
	  }

	  return str;
	}

	function stringtrim$1(str) {
	  if (str.trim) return str.trim();
	  return str.replace(/^\s+|\s+$/g, '');
	}

	function toHex$1(n) {
	  if (n < 16) return '0' + n.toString(16);
	  return n.toString(16);
	}

	function utf8ToBytes$1(string, units) {
	  units = units || Infinity;
	  var codePoint;
	  var length = string.length;
	  var leadSurrogate = null;
	  var bytes = [];

	  for (var i = 0; i < length; ++i) {
	    codePoint = string.charCodeAt(i); // is surrogate component

	    if (codePoint > 0xD7FF && codePoint < 0xE000) {
	      // last char was a lead
	      if (!leadSurrogate) {
	        // no lead yet
	        if (codePoint > 0xDBFF) {
	          // unexpected trail
	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	          continue;
	        } else if (i + 1 === length) {
	          // unpaired lead
	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	          continue;
	        } // valid lead


	        leadSurrogate = codePoint;
	        continue;
	      } // 2 leads in a row


	      if (codePoint < 0xDC00) {
	        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	        leadSurrogate = codePoint;
	        continue;
	      } // valid surrogate pair


	      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
	    } else if (leadSurrogate) {
	      // valid bmp char, but last char was a lead
	      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	    }

	    leadSurrogate = null; // encode utf8

	    if (codePoint < 0x80) {
	      if ((units -= 1) < 0) break;
	      bytes.push(codePoint);
	    } else if (codePoint < 0x800) {
	      if ((units -= 2) < 0) break;
	      bytes.push(codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80);
	    } else if (codePoint < 0x10000) {
	      if ((units -= 3) < 0) break;
	      bytes.push(codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
	    } else if (codePoint < 0x110000) {
	      if ((units -= 4) < 0) break;
	      bytes.push(codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
	    } else {
	      throw new Error('Invalid code point');
	    }
	  }

	  return bytes;
	}

	function asciiToBytes$1(str) {
	  var byteArray = [];

	  for (var i = 0; i < str.length; ++i) {
	    // Node's code seems to be doing this and not & 0x7F..
	    byteArray.push(str.charCodeAt(i) & 0xFF);
	  }

	  return byteArray;
	}

	function utf16leToBytes$1(str, units) {
	  var c, hi, lo;
	  var byteArray = [];

	  for (var i = 0; i < str.length; ++i) {
	    if ((units -= 2) < 0) break;
	    c = str.charCodeAt(i);
	    hi = c >> 8;
	    lo = c % 256;
	    byteArray.push(lo);
	    byteArray.push(hi);
	  }

	  return byteArray;
	}

	function base64ToBytes$1(str) {
	  return toByteArray$1(base64clean$1(str));
	}

	function blitBuffer$1(src, dst, offset, length) {
	  for (var i = 0; i < length; ++i) {
	    if (i + offset >= dst.length || i >= src.length) break;
	    dst[i + offset] = src[i];
	  }

	  return i;
	}

	function isnan$1(val) {
	  return val !== val; // eslint-disable-line no-self-compare
	} // the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
	// The _isBuffer check is for Safari 5-7 support, because it's missing
	// Object.prototype.constructor. Remove this eventually


	function isBuffer$2(obj) {
	  return obj != null && (!!obj._isBuffer || isFastBuffer$1(obj) || isSlowBuffer$1(obj));
	}

	function isFastBuffer$1(obj) {
	  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj);
	} // For Node v0.10 support. Remove this eventually.


	function isSlowBuffer$1(obj) {
	  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer$1(obj.slice(0, 0));
	}

	function BufferList() {
	  this.head = null;
	  this.tail = null;
	  this.length = 0;
	}

	BufferList.prototype.push = function (v) {
	  var entry = {
	    data: v,
	    next: null
	  };
	  if (this.length > 0) this.tail.next = entry;else this.head = entry;
	  this.tail = entry;
	  ++this.length;
	};

	BufferList.prototype.unshift = function (v) {
	  var entry = {
	    data: v,
	    next: this.head
	  };
	  if (this.length === 0) this.tail = entry;
	  this.head = entry;
	  ++this.length;
	};

	BufferList.prototype.shift = function () {
	  if (this.length === 0) return;
	  var ret = this.head.data;
	  if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
	  --this.length;
	  return ret;
	};

	BufferList.prototype.clear = function () {
	  this.head = this.tail = null;
	  this.length = 0;
	};

	BufferList.prototype.join = function (s) {
	  if (this.length === 0) return '';
	  var p = this.head;
	  var ret = '' + p.data;

	  while (p = p.next) {
	    ret += s + p.data;
	  }

	  return ret;
	};

	BufferList.prototype.concat = function (n) {
	  if (this.length === 0) return Buffer$1.alloc(0);
	  if (this.length === 1) return this.head.data;
	  var ret = Buffer$1.allocUnsafe(n >>> 0);
	  var p = this.head;
	  var i = 0;

	  while (p) {
	    p.data.copy(ret, i);
	    i += p.data.length;
	    p = p.next;
	  }

	  return ret;
	};

	var isBufferEncoding = Buffer$1.isEncoding || function (encoding) {
	  switch (encoding && encoding.toLowerCase()) {
	    case 'hex':
	    case 'utf8':
	    case 'utf-8':
	    case 'ascii':
	    case 'binary':
	    case 'base64':
	    case 'ucs2':
	    case 'ucs-2':
	    case 'utf16le':
	    case 'utf-16le':
	    case 'raw':
	      return true;

	    default:
	      return false;
	  }
	};

	function assertEncoding(encoding) {
	  if (encoding && !isBufferEncoding(encoding)) {
	    throw new Error('Unknown encoding: ' + encoding);
	  }
	} // StringDecoder provides an interface for efficiently splitting a series of
	// buffers into a series of JS strings without breaking apart multi-byte
	// characters. CESU-8 is handled as part of the UTF-8 encoding.
	//
	// @TODO Handling all encodings inside a single object makes it very difficult
	// to reason about this code, so it should be split up in the future.
	// @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code
	// points as used by CESU-8.


	function StringDecoder(encoding) {
	  this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
	  assertEncoding(encoding);

	  switch (this.encoding) {
	    case 'utf8':
	      // CESU-8 represents each of Surrogate Pair by 3-bytes
	      this.surrogateSize = 3;
	      break;

	    case 'ucs2':
	    case 'utf16le':
	      // UTF-16 represents each of Surrogate Pair by 2-bytes
	      this.surrogateSize = 2;
	      this.detectIncompleteChar = utf16DetectIncompleteChar;
	      break;

	    case 'base64':
	      // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
	      this.surrogateSize = 3;
	      this.detectIncompleteChar = base64DetectIncompleteChar;
	      break;

	    default:
	      this.write = passThroughWrite;
	      return;
	  } // Enough space to store all bytes of a single character. UTF-8 needs 4
	  // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate).


	  this.charBuffer = new Buffer$1(6); // Number of bytes received for the current incomplete multi-byte character.

	  this.charReceived = 0; // Number of bytes expected for the current incomplete multi-byte character.

	  this.charLength = 0;
	}
	// guaranteed to not contain any partial multi-byte characters. Any partial
	// character found at the end of the buffer is buffered up, and will be
	// returned when calling write again with the remaining bytes.
	//
	// Note: Converting a Buffer containing an orphan surrogate to a String
	// currently works, but converting a String to a Buffer (via `new Buffer`, or
	// Buffer#write) will replace incomplete surrogates with the unicode
	// replacement character. See https://codereview.chromium.org/121173009/ .

	StringDecoder.prototype.write = function (buffer) {
	  var charStr = ''; // if our last write ended with an incomplete multibyte character

	  while (this.charLength) {
	    // determine how many remaining bytes this buffer has to offer for this char
	    var available = buffer.length >= this.charLength - this.charReceived ? this.charLength - this.charReceived : buffer.length; // add the new bytes to the char buffer

	    buffer.copy(this.charBuffer, this.charReceived, 0, available);
	    this.charReceived += available;

	    if (this.charReceived < this.charLength) {
	      // still not enough chars in this buffer? wait for more ...
	      return '';
	    } // remove bytes belonging to the current character from the buffer


	    buffer = buffer.slice(available, buffer.length); // get the character that was split

	    charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding); // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character

	    var charCode = charStr.charCodeAt(charStr.length - 1);

	    if (charCode >= 0xD800 && charCode <= 0xDBFF) {
	      this.charLength += this.surrogateSize;
	      charStr = '';
	      continue;
	    }

	    this.charReceived = this.charLength = 0; // if there are no more bytes in this buffer, just emit our char

	    if (buffer.length === 0) {
	      return charStr;
	    }

	    break;
	  } // determine and set charLength / charReceived


	  this.detectIncompleteChar(buffer);
	  var end = buffer.length;

	  if (this.charLength) {
	    // buffer the incomplete character bytes we got
	    buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end);
	    end -= this.charReceived;
	  }

	  charStr += buffer.toString(this.encoding, 0, end);
	  var end = charStr.length - 1;
	  var charCode = charStr.charCodeAt(end); // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character

	  if (charCode >= 0xD800 && charCode <= 0xDBFF) {
	    var size = this.surrogateSize;
	    this.charLength += size;
	    this.charReceived += size;
	    this.charBuffer.copy(this.charBuffer, size, 0, size);
	    buffer.copy(this.charBuffer, 0, 0, size);
	    return charStr.substring(0, end);
	  } // or just emit the charStr


	  return charStr;
	}; // detectIncompleteChar determines if there is an incomplete UTF-8 character at
	// the end of the given buffer. If so, it sets this.charLength to the byte
	// length that character, and sets this.charReceived to the number of bytes
	// that are available for this character.


	StringDecoder.prototype.detectIncompleteChar = function (buffer) {
	  // determine how many bytes we have to check at the end of this buffer
	  var i = buffer.length >= 3 ? 3 : buffer.length; // Figure out if one of the last i bytes of our buffer announces an
	  // incomplete char.

	  for (; i > 0; i--) {
	    var c = buffer[buffer.length - i]; // See http://en.wikipedia.org/wiki/UTF-8#Description
	    // 110XXXXX

	    if (i == 1 && c >> 5 == 0x06) {
	      this.charLength = 2;
	      break;
	    } // 1110XXXX


	    if (i <= 2 && c >> 4 == 0x0E) {
	      this.charLength = 3;
	      break;
	    } // 11110XXX


	    if (i <= 3 && c >> 3 == 0x1E) {
	      this.charLength = 4;
	      break;
	    }
	  }

	  this.charReceived = i;
	};

	StringDecoder.prototype.end = function (buffer) {
	  var res = '';
	  if (buffer && buffer.length) res = this.write(buffer);

	  if (this.charReceived) {
	    var cr = this.charReceived;
	    var buf = this.charBuffer;
	    var enc = this.encoding;
	    res += buf.slice(0, cr).toString(enc);
	  }

	  return res;
	};

	function passThroughWrite(buffer) {
	  return buffer.toString(this.encoding);
	}

	function utf16DetectIncompleteChar(buffer) {
	  this.charReceived = buffer.length % 2;
	  this.charLength = this.charReceived ? 2 : 0;
	}

	function base64DetectIncompleteChar(buffer) {
	  this.charReceived = buffer.length % 3;
	  this.charLength = this.charReceived ? 3 : 0;
	}

	Readable.ReadableState = ReadableState;
	var debug = debuglog('stream');
	inherits$1(Readable, EventEmitter);

	function prependListener(emitter, event, fn) {
	  // Sadly this is not cacheable as some libraries bundle their own
	  // event emitter implementation with them.
	  if (typeof emitter.prependListener === 'function') {
	    return emitter.prependListener(event, fn);
	  } else {
	    // This is a hack to make sure that our error handler is attached before any
	    // userland ones.  NEVER DO THIS. This is here only because this code needs
	    // to continue to work with older versions of Node.js that do not include
	    // the prependListener() method. The goal is to eventually remove this hack.
	    if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (Array.isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
	  }
	}

	function listenerCount$1(emitter, type) {
	  return emitter.listeners(type).length;
	}

	function ReadableState(options, stream) {
	  options = options || {}; // object stream flag. Used to make read(n) ignore n and to
	  // make all the buffer merging and length checks go away

	  this.objectMode = !!options.objectMode;
	  if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.readableObjectMode; // the point at which it stops calling _read() to fill the buffer
	  // Note: 0 is a valid value, means "don't call _read preemptively ever"

	  var hwm = options.highWaterMark;
	  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
	  this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm; // cast to ints.

	  this.highWaterMark = ~~this.highWaterMark; // A linked list is used to store data chunks instead of an array because the
	  // linked list can remove elements from the beginning faster than
	  // array.shift()

	  this.buffer = new BufferList();
	  this.length = 0;
	  this.pipes = null;
	  this.pipesCount = 0;
	  this.flowing = null;
	  this.ended = false;
	  this.endEmitted = false;
	  this.reading = false; // a flag to be able to tell if the onwrite cb is called immediately,
	  // or on a later tick.  We set this to true at first, because any
	  // actions that shouldn't happen until "later" should generally also
	  // not happen before the first write call.

	  this.sync = true; // whenever we return null, then we set a flag to say
	  // that we're awaiting a 'readable' event emission.

	  this.needReadable = false;
	  this.emittedReadable = false;
	  this.readableListening = false;
	  this.resumeScheduled = false; // Crypto is kind of old and crusty.  Historically, its default string
	  // encoding is 'binary' so we have to make this configurable.
	  // Everything else in the universe uses 'utf8', though.

	  this.defaultEncoding = options.defaultEncoding || 'utf8'; // when piping, we only care about 'readable' events that happen
	  // after read()ing all the bytes and not getting any pushback.

	  this.ranOut = false; // the number of writers that are awaiting a drain event in .pipe()s

	  this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled

	  this.readingMore = false;
	  this.decoder = null;
	  this.encoding = null;

	  if (options.encoding) {
	    this.decoder = new StringDecoder(options.encoding);
	    this.encoding = options.encoding;
	  }
	}
	function Readable(options) {
	  if (!(this instanceof Readable)) return new Readable(options);
	  this._readableState = new ReadableState(options, this); // legacy

	  this.readable = true;
	  if (options && typeof options.read === 'function') this._read = options.read;
	  EventEmitter.call(this);
	} // Manually shove something into the read() buffer.
	// This returns true if the highWaterMark has not been hit yet,
	// similar to how Writable.write() returns true if you should
	// write() some more.

	Readable.prototype.push = function (chunk, encoding) {
	  var state = this._readableState;

	  if (!state.objectMode && typeof chunk === 'string') {
	    encoding = encoding || state.defaultEncoding;

	    if (encoding !== state.encoding) {
	      chunk = Buffer.from(chunk, encoding);
	      encoding = '';
	    }
	  }

	  return readableAddChunk(this, state, chunk, encoding, false);
	}; // Unshift should *always* be something directly out of read()


	Readable.prototype.unshift = function (chunk) {
	  var state = this._readableState;
	  return readableAddChunk(this, state, chunk, '', true);
	};

	Readable.prototype.isPaused = function () {
	  return this._readableState.flowing === false;
	};

	function readableAddChunk(stream, state, chunk, encoding, addToFront) {
	  var er = chunkInvalid(state, chunk);

	  if (er) {
	    stream.emit('error', er);
	  } else if (chunk === null) {
	    state.reading = false;
	    onEofChunk(stream, state);
	  } else if (state.objectMode || chunk && chunk.length > 0) {
	    if (state.ended && !addToFront) {
	      var e = new Error('stream.push() after EOF');
	      stream.emit('error', e);
	    } else if (state.endEmitted && addToFront) {
	      var _e = new Error('stream.unshift() after end event');

	      stream.emit('error', _e);
	    } else {
	      var skipAdd;

	      if (state.decoder && !addToFront && !encoding) {
	        chunk = state.decoder.write(chunk);
	        skipAdd = !state.objectMode && chunk.length === 0;
	      }

	      if (!addToFront) state.reading = false; // Don't add to the buffer if we've decoded to an empty string chunk and
	      // we're not in object mode

	      if (!skipAdd) {
	        // if we want the data now, just emit it.
	        if (state.flowing && state.length === 0 && !state.sync) {
	          stream.emit('data', chunk);
	          stream.read(0);
	        } else {
	          // update the buffer info.
	          state.length += state.objectMode ? 1 : chunk.length;
	          if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
	          if (state.needReadable) emitReadable(stream);
	        }
	      }

	      maybeReadMore(stream, state);
	    }
	  } else if (!addToFront) {
	    state.reading = false;
	  }

	  return needMoreData(state);
	} // if it's past the high water mark, we can push in some more.
	// Also, if we have no data yet, we can stand some
	// more bytes.  This is to work around cases where hwm=0,
	// such as the repl.  Also, if the push() triggered a
	// readable event, and the user called read(largeNumber) such that
	// needReadable was set, then we ought to push more, so that another
	// 'readable' event will be triggered.


	function needMoreData(state) {
	  return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
	} // backwards compatibility.


	Readable.prototype.setEncoding = function (enc) {
	  this._readableState.decoder = new StringDecoder(enc);
	  this._readableState.encoding = enc;
	  return this;
	}; // Don't raise the hwm > 8MB


	var MAX_HWM = 0x800000;

	function computeNewHighWaterMark(n) {
	  if (n >= MAX_HWM) {
	    n = MAX_HWM;
	  } else {
	    // Get the next highest power of 2 to prevent increasing hwm excessively in
	    // tiny amounts
	    n--;
	    n |= n >>> 1;
	    n |= n >>> 2;
	    n |= n >>> 4;
	    n |= n >>> 8;
	    n |= n >>> 16;
	    n++;
	  }

	  return n;
	} // This function is designed to be inlinable, so please take care when making
	// changes to the function body.


	function howMuchToRead(n, state) {
	  if (n <= 0 || state.length === 0 && state.ended) return 0;
	  if (state.objectMode) return 1;

	  if (n !== n) {
	    // Only flow one buffer at a time
	    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
	  } // If we're asking for more than the current hwm, then raise the hwm.


	  if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
	  if (n <= state.length) return n; // Don't have enough

	  if (!state.ended) {
	    state.needReadable = true;
	    return 0;
	  }

	  return state.length;
	} // you can override either this method, or the async _read(n) below.


	Readable.prototype.read = function (n) {
	  debug('read', n);
	  n = parseInt(n, 10);
	  var state = this._readableState;
	  var nOrig = n;
	  if (n !== 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we
	  // already have a bunch of data in the buffer, then just trigger
	  // the 'readable' event and move on.

	  if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) {
	    debug('read: emitReadable', state.length, state.ended);
	    if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
	    return null;
	  }

	  n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up.

	  if (n === 0 && state.ended) {
	    if (state.length === 0) endReadable(this);
	    return null;
	  } // All the actual chunk generation logic needs to be
	  // *below* the call to _read.  The reason is that in certain
	  // synthetic stream cases, such as passthrough streams, _read
	  // may be a completely synchronous operation which may change
	  // the state of the read buffer, providing enough data when
	  // before there was *not* enough.
	  //
	  // So, the steps are:
	  // 1. Figure out what the state of things will be after we do
	  // a read from the buffer.
	  //
	  // 2. If that resulting state will trigger a _read, then call _read.
	  // Note that this may be asynchronous, or synchronous.  Yes, it is
	  // deeply ugly to write APIs this way, but that still doesn't mean
	  // that the Readable class should behave improperly, as streams are
	  // designed to be sync/async agnostic.
	  // Take note if the _read call is sync or async (ie, if the read call
	  // has returned yet), so that we know whether or not it's safe to emit
	  // 'readable' etc.
	  //
	  // 3. Actually pull the requested chunks out of the buffer and return.
	  // if we need a readable event, then we need to do some reading.


	  var doRead = state.needReadable;
	  debug('need readable', doRead); // if we currently have less than the highWaterMark, then also read some

	  if (state.length === 0 || state.length - n < state.highWaterMark) {
	    doRead = true;
	    debug('length less than watermark', doRead);
	  } // however, if we've ended, then there's no point, and if we're already
	  // reading, then it's unnecessary.


	  if (state.ended || state.reading) {
	    doRead = false;
	    debug('reading or ended', doRead);
	  } else if (doRead) {
	    debug('do read');
	    state.reading = true;
	    state.sync = true; // if the length is currently zero, then we *need* a readable event.

	    if (state.length === 0) state.needReadable = true; // call internal read method

	    this._read(state.highWaterMark);

	    state.sync = false; // If _read pushed data synchronously, then `reading` will be false,
	    // and we need to re-evaluate how much data we can return to the user.

	    if (!state.reading) n = howMuchToRead(nOrig, state);
	  }

	  var ret;
	  if (n > 0) ret = fromList(n, state);else ret = null;

	  if (ret === null) {
	    state.needReadable = true;
	    n = 0;
	  } else {
	    state.length -= n;
	  }

	  if (state.length === 0) {
	    // If we have nothing in the buffer, then we want to know
	    // as soon as we *do* get something into the buffer.
	    if (!state.ended) state.needReadable = true; // If we tried to read() past the EOF, then emit end on the next tick.

	    if (nOrig !== n && state.ended) endReadable(this);
	  }

	  if (ret !== null) this.emit('data', ret);
	  return ret;
	};

	function chunkInvalid(state, chunk) {
	  var er = null;

	  if (!isBuffer(chunk) && typeof chunk !== 'string' && chunk !== null && chunk !== undefined && !state.objectMode) {
	    er = new TypeError('Invalid non-string/buffer chunk');
	  }

	  return er;
	}

	function onEofChunk(stream, state) {
	  if (state.ended) return;

	  if (state.decoder) {
	    var chunk = state.decoder.end();

	    if (chunk && chunk.length) {
	      state.buffer.push(chunk);
	      state.length += state.objectMode ? 1 : chunk.length;
	    }
	  }

	  state.ended = true; // emit 'readable' now to make sure it gets picked up.

	  emitReadable(stream);
	} // Don't emit readable right away in sync mode, because this can trigger
	// another read() call => stack overflow.  This way, it might trigger
	// a nextTick recursion warning, but that's not so bad.


	function emitReadable(stream) {
	  var state = stream._readableState;
	  state.needReadable = false;

	  if (!state.emittedReadable) {
	    debug('emitReadable', state.flowing);
	    state.emittedReadable = true;
	    if (state.sync) nextTick$1(emitReadable_, stream);else emitReadable_(stream);
	  }
	}

	function emitReadable_(stream) {
	  debug('emit readable');
	  stream.emit('readable');
	  flow(stream);
	} // at this point, the user has presumably seen the 'readable' event,
	// and called read() to consume some data.  that may have triggered
	// in turn another _read(n) call, in which case reading = true if
	// it's in progress.
	// However, if we're not ended, or reading, and the length < hwm,
	// then go ahead and try to read some more preemptively.


	function maybeReadMore(stream, state) {
	  if (!state.readingMore) {
	    state.readingMore = true;
	    nextTick$1(maybeReadMore_, stream, state);
	  }
	}

	function maybeReadMore_(stream, state) {
	  var len = state.length;

	  while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) {
	    debug('maybeReadMore read 0');
	    stream.read(0);
	    if (len === state.length) // didn't get any data, stop spinning.
	      break;else len = state.length;
	  }

	  state.readingMore = false;
	} // abstract method.  to be overridden in specific implementation classes.
	// call cb(er, data) where data is <= n in length.
	// for virtual (non-string, non-buffer) streams, "length" is somewhat
	// arbitrary, and perhaps not very meaningful.


	Readable.prototype._read = function (n) {
	  this.emit('error', new Error('not implemented'));
	};

	Readable.prototype.pipe = function (dest, pipeOpts) {
	  var src = this;
	  var state = this._readableState;

	  switch (state.pipesCount) {
	    case 0:
	      state.pipes = dest;
	      break;

	    case 1:
	      state.pipes = [state.pipes, dest];
	      break;

	    default:
	      state.pipes.push(dest);
	      break;
	  }

	  state.pipesCount += 1;
	  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
	  var doEnd = !pipeOpts || pipeOpts.end !== false;
	  var endFn = doEnd ? onend : cleanup;
	  if (state.endEmitted) nextTick$1(endFn);else src.once('end', endFn);
	  dest.on('unpipe', onunpipe);

	  function onunpipe(readable) {
	    debug('onunpipe');

	    if (readable === src) {
	      cleanup();
	    }
	  }

	  function onend() {
	    debug('onend');
	    dest.end();
	  } // when the dest drains, it reduces the awaitDrain counter
	  // on the source.  This would be more elegant with a .once()
	  // handler in flow(), but adding and removing repeatedly is
	  // too slow.


	  var ondrain = pipeOnDrain(src);
	  dest.on('drain', ondrain);
	  var cleanedUp = false;

	  function cleanup() {
	    debug('cleanup'); // cleanup event handlers once the pipe is broken

	    dest.removeListener('close', onclose);
	    dest.removeListener('finish', onfinish);
	    dest.removeListener('drain', ondrain);
	    dest.removeListener('error', onerror);
	    dest.removeListener('unpipe', onunpipe);
	    src.removeListener('end', onend);
	    src.removeListener('end', cleanup);
	    src.removeListener('data', ondata);
	    cleanedUp = true; // if the reader is waiting for a drain event from this
	    // specific writer, then it would cause it to never start
	    // flowing again.
	    // So, if this is awaiting a drain, then we just call it now.
	    // If we don't know, then assume that we are waiting for one.

	    if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
	  } // If the user pushes more data while we're writing to dest then we'll end up
	  // in ondata again. However, we only want to increase awaitDrain once because
	  // dest will only emit one 'drain' event for the multiple writes.
	  // => Introduce a guard on increasing awaitDrain.


	  var increasedAwaitDrain = false;
	  src.on('data', ondata);

	  function ondata(chunk) {
	    debug('ondata');
	    increasedAwaitDrain = false;
	    var ret = dest.write(chunk);

	    if (false === ret && !increasedAwaitDrain) {
	      // If the user unpiped during `dest.write()`, it is possible
	      // to get stuck in a permanently paused state if that write
	      // also returned false.
	      // => Check whether `dest` is still a piping destination.
	      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf$1(state.pipes, dest) !== -1) && !cleanedUp) {
	        debug('false write response, pause', src._readableState.awaitDrain);
	        src._readableState.awaitDrain++;
	        increasedAwaitDrain = true;
	      }

	      src.pause();
	    }
	  } // if the dest has an error, then stop piping into it.
	  // however, don't suppress the throwing behavior for this.


	  function onerror(er) {
	    debug('onerror', er);
	    unpipe();
	    dest.removeListener('error', onerror);
	    if (listenerCount$1(dest, 'error') === 0) dest.emit('error', er);
	  } // Make sure our error handler is attached before userland ones.


	  prependListener(dest, 'error', onerror); // Both close and finish should trigger unpipe, but only once.

	  function onclose() {
	    dest.removeListener('finish', onfinish);
	    unpipe();
	  }

	  dest.once('close', onclose);

	  function onfinish() {
	    debug('onfinish');
	    dest.removeListener('close', onclose);
	    unpipe();
	  }

	  dest.once('finish', onfinish);

	  function unpipe() {
	    debug('unpipe');
	    src.unpipe(dest);
	  } // tell the dest that it's being piped to


	  dest.emit('pipe', src); // start the flow if it hasn't been started already.

	  if (!state.flowing) {
	    debug('pipe resume');
	    src.resume();
	  }

	  return dest;
	};

	function pipeOnDrain(src) {
	  return function () {
	    var state = src._readableState;
	    debug('pipeOnDrain', state.awaitDrain);
	    if (state.awaitDrain) state.awaitDrain--;

	    if (state.awaitDrain === 0 && src.listeners('data').length) {
	      state.flowing = true;
	      flow(src);
	    }
	  };
	}

	Readable.prototype.unpipe = function (dest) {
	  var state = this._readableState; // if we're not piping anywhere, then do nothing.

	  if (state.pipesCount === 0) return this; // just one destination.  most common case.

	  if (state.pipesCount === 1) {
	    // passed in one, but it's not the right one.
	    if (dest && dest !== state.pipes) return this;
	    if (!dest) dest = state.pipes; // got a match.

	    state.pipes = null;
	    state.pipesCount = 0;
	    state.flowing = false;
	    if (dest) dest.emit('unpipe', this);
	    return this;
	  } // slow case. multiple pipe destinations.


	  if (!dest) {
	    // remove all.
	    var dests = state.pipes;
	    var len = state.pipesCount;
	    state.pipes = null;
	    state.pipesCount = 0;
	    state.flowing = false;

	    for (var _i = 0; _i < len; _i++) {
	      dests[_i].emit('unpipe', this);
	    }

	    return this;
	  } // try to find the right one.


	  var i = indexOf$1(state.pipes, dest);
	  if (i === -1) return this;
	  state.pipes.splice(i, 1);
	  state.pipesCount -= 1;
	  if (state.pipesCount === 1) state.pipes = state.pipes[0];
	  dest.emit('unpipe', this);
	  return this;
	}; // set up data events if they are asked for
	// Ensure readable listeners eventually get something


	Readable.prototype.on = function (ev, fn) {
	  var res = EventEmitter.prototype.on.call(this, ev, fn);

	  if (ev === 'data') {
	    // Start flowing on next tick if stream isn't explicitly paused
	    if (this._readableState.flowing !== false) this.resume();
	  } else if (ev === 'readable') {
	    var state = this._readableState;

	    if (!state.endEmitted && !state.readableListening) {
	      state.readableListening = state.needReadable = true;
	      state.emittedReadable = false;

	      if (!state.reading) {
	        nextTick$1(nReadingNextTick, this);
	      } else if (state.length) {
	        emitReadable(this);
	      }
	    }
	  }

	  return res;
	};

	Readable.prototype.addListener = Readable.prototype.on;

	function nReadingNextTick(self) {
	  debug('readable nexttick read 0');
	  self.read(0);
	} // pause() and resume() are remnants of the legacy readable stream API
	// If the user uses them, then switch into old mode.


	Readable.prototype.resume = function () {
	  var state = this._readableState;

	  if (!state.flowing) {
	    debug('resume');
	    state.flowing = true;
	    resume(this, state);
	  }

	  return this;
	};

	function resume(stream, state) {
	  if (!state.resumeScheduled) {
	    state.resumeScheduled = true;
	    nextTick$1(resume_, stream, state);
	  }
	}

	function resume_(stream, state) {
	  if (!state.reading) {
	    debug('resume read 0');
	    stream.read(0);
	  }

	  state.resumeScheduled = false;
	  state.awaitDrain = 0;
	  stream.emit('resume');
	  flow(stream);
	  if (state.flowing && !state.reading) stream.read(0);
	}

	Readable.prototype.pause = function () {
	  debug('call pause flowing=%j', this._readableState.flowing);

	  if (false !== this._readableState.flowing) {
	    debug('pause');
	    this._readableState.flowing = false;
	    this.emit('pause');
	  }

	  return this;
	};

	function flow(stream) {
	  var state = stream._readableState;
	  debug('flow', state.flowing);

	  while (state.flowing && stream.read() !== null) {}
	} // wrap an old-style stream as the async data source.
	// This is *not* part of the readable stream interface.
	// It is an ugly unfortunate mess of history.


	Readable.prototype.wrap = function (stream) {
	  var state = this._readableState;
	  var paused = false;
	  var self = this;
	  stream.on('end', function () {
	    debug('wrapped end');

	    if (state.decoder && !state.ended) {
	      var chunk = state.decoder.end();
	      if (chunk && chunk.length) self.push(chunk);
	    }

	    self.push(null);
	  });
	  stream.on('data', function (chunk) {
	    debug('wrapped data');
	    if (state.decoder) chunk = state.decoder.write(chunk); // don't skip over falsy values in objectMode

	    if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
	    var ret = self.push(chunk);

	    if (!ret) {
	      paused = true;
	      stream.pause();
	    }
	  }); // proxy all the other methods.
	  // important when wrapping filters and duplexes.

	  for (var i in stream) {
	    if (this[i] === undefined && typeof stream[i] === 'function') {
	      this[i] = function (method) {
	        return function () {
	          return stream[method].apply(stream, arguments);
	        };
	      }(i);
	    }
	  } // proxy certain important events.


	  var events = ['error', 'close', 'destroy', 'pause', 'resume'];
	  forEach(events, function (ev) {
	    stream.on(ev, self.emit.bind(self, ev));
	  }); // when we try to consume some more bytes, simply unpause the
	  // underlying stream.

	  self._read = function (n) {
	    debug('wrapped _read', n);

	    if (paused) {
	      paused = false;
	      stream.resume();
	    }
	  };

	  return self;
	}; // exposed for testing purposes only.


	Readable._fromList = fromList; // Pluck off n bytes from an array of buffers.
	// Length is the combined lengths of all the buffers in the list.
	// This function is designed to be inlinable, so please take care when making
	// changes to the function body.

	function fromList(n, state) {
	  // nothing buffered
	  if (state.length === 0) return null;
	  var ret;
	  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
	    // read it all, truncate the list
	    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
	    state.buffer.clear();
	  } else {
	    // read part of list
	    ret = fromListPartial(n, state.buffer, state.decoder);
	  }
	  return ret;
	} // Extracts only enough buffered data to satisfy the amount requested.
	// This function is designed to be inlinable, so please take care when making
	// changes to the function body.


	function fromListPartial(n, list, hasStrings) {
	  var ret;

	  if (n < list.head.data.length) {
	    // slice is the same for buffers and strings
	    ret = list.head.data.slice(0, n);
	    list.head.data = list.head.data.slice(n);
	  } else if (n === list.head.data.length) {
	    // first chunk is a perfect match
	    ret = list.shift();
	  } else {
	    // result spans more than one buffer
	    ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
	  }

	  return ret;
	} // Copies a specified amount of characters from the list of buffered data
	// chunks.
	// This function is designed to be inlinable, so please take care when making
	// changes to the function body.


	function copyFromBufferString(n, list) {
	  var p = list.head;
	  var c = 1;
	  var ret = p.data;
	  n -= ret.length;

	  while (p = p.next) {
	    var str = p.data;
	    var nb = n > str.length ? str.length : n;
	    if (nb === str.length) ret += str;else ret += str.slice(0, n);
	    n -= nb;

	    if (n === 0) {
	      if (nb === str.length) {
	        ++c;
	        if (p.next) list.head = p.next;else list.head = list.tail = null;
	      } else {
	        list.head = p;
	        p.data = str.slice(nb);
	      }

	      break;
	    }

	    ++c;
	  }

	  list.length -= c;
	  return ret;
	} // Copies a specified amount of bytes from the list of buffered data chunks.
	// This function is designed to be inlinable, so please take care when making
	// changes to the function body.


	function copyFromBuffer(n, list) {
	  var ret = Buffer.allocUnsafe(n);
	  var p = list.head;
	  var c = 1;
	  p.data.copy(ret);
	  n -= p.data.length;

	  while (p = p.next) {
	    var buf = p.data;
	    var nb = n > buf.length ? buf.length : n;
	    buf.copy(ret, ret.length - n, 0, nb);
	    n -= nb;

	    if (n === 0) {
	      if (nb === buf.length) {
	        ++c;
	        if (p.next) list.head = p.next;else list.head = list.tail = null;
	      } else {
	        list.head = p;
	        p.data = buf.slice(nb);
	      }

	      break;
	    }

	    ++c;
	  }

	  list.length -= c;
	  return ret;
	}

	function endReadable(stream) {
	  var state = stream._readableState; // If we get here before consuming all the bytes, then that is a
	  // bug in node.  Should never happen.

	  if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');

	  if (!state.endEmitted) {
	    state.ended = true;
	    nextTick$1(endReadableNT, state, stream);
	  }
	}

	function endReadableNT(state, stream) {
	  // Check that we didn't get one last unshift.
	  if (!state.endEmitted && state.length === 0) {
	    state.endEmitted = true;
	    stream.readable = false;
	    stream.emit('end');
	  }
	}

	function forEach(xs, f) {
	  for (var i = 0, l = xs.length; i < l; i++) {
	    f(xs[i], i);
	  }
	}

	function indexOf$1(xs, x) {
	  for (var i = 0, l = xs.length; i < l; i++) {
	    if (xs[i] === x) return i;
	  }

	  return -1;
	}

	// A bit simpler than readable streams.
	Writable.WritableState = WritableState;
	inherits$1(Writable, EventEmitter);

	function nop() {}

	function WriteReq(chunk, encoding, cb) {
	  this.chunk = chunk;
	  this.encoding = encoding;
	  this.callback = cb;
	  this.next = null;
	}

	function WritableState(options, stream) {
	  Object.defineProperty(this, 'buffer', {
	    get: deprecate(function () {
	      return this.getBuffer();
	    }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.')
	  });
	  options = options || {}; // object stream flag to indicate whether or not this stream
	  // contains buffers or objects.

	  this.objectMode = !!options.objectMode;
	  if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.writableObjectMode; // the point at which write() starts returning false
	  // Note: 0 is a valid value, means that we always return false if
	  // the entire buffer is not flushed immediately on write()

	  var hwm = options.highWaterMark;
	  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
	  this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm; // cast to ints.

	  this.highWaterMark = ~~this.highWaterMark;
	  this.needDrain = false; // at the start of calling end()

	  this.ending = false; // when end() has been called, and returned

	  this.ended = false; // when 'finish' is emitted

	  this.finished = false; // should we decode strings into buffers before passing to _write?
	  // this is here so that some node-core streams can optimize string
	  // handling at a lower level.

	  var noDecode = options.decodeStrings === false;
	  this.decodeStrings = !noDecode; // Crypto is kind of old and crusty.  Historically, its default string
	  // encoding is 'binary' so we have to make this configurable.
	  // Everything else in the universe uses 'utf8', though.

	  this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement
	  // of how much we're waiting to get pushed to some underlying
	  // socket or file.

	  this.length = 0; // a flag to see when we're in the middle of a write.

	  this.writing = false; // when true all writes will be buffered until .uncork() call

	  this.corked = 0; // a flag to be able to tell if the onwrite cb is called immediately,
	  // or on a later tick.  We set this to true at first, because any
	  // actions that shouldn't happen until "later" should generally also
	  // not happen before the first write call.

	  this.sync = true; // a flag to know if we're processing previously buffered items, which
	  // may call the _write() callback in the same tick, so that we don't
	  // end up in an overlapped onwrite situation.

	  this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb)

	  this.onwrite = function (er) {
	    onwrite(stream, er);
	  }; // the callback that the user supplies to write(chunk,encoding,cb)


	  this.writecb = null; // the amount that is being written when _write is called.

	  this.writelen = 0;
	  this.bufferedRequest = null;
	  this.lastBufferedRequest = null; // number of pending user-supplied write callbacks
	  // this must be 0 before 'finish' can be emitted

	  this.pendingcb = 0; // emit prefinish if the only thing we're waiting for is _write cbs
	  // This is relevant for synchronous Transform streams

	  this.prefinished = false; // True if the error was already emitted and should not be thrown again

	  this.errorEmitted = false; // count buffered requests

	  this.bufferedRequestCount = 0; // allocate the first CorkedRequest, there is always
	  // one allocated and free to use, and we maintain at most two

	  this.corkedRequestsFree = new CorkedRequest(this);
	}

	WritableState.prototype.getBuffer = function writableStateGetBuffer() {
	  var current = this.bufferedRequest;
	  var out = [];

	  while (current) {
	    out.push(current);
	    current = current.next;
	  }

	  return out;
	};
	function Writable(options) {
	  // Writable ctor is applied to Duplexes, though they're not
	  // instanceof Writable, they're instanceof Readable.
	  if (!(this instanceof Writable) && !(this instanceof Duplex)) return new Writable(options);
	  this._writableState = new WritableState(options, this); // legacy.

	  this.writable = true;

	  if (options) {
	    if (typeof options.write === 'function') this._write = options.write;
	    if (typeof options.writev === 'function') this._writev = options.writev;
	  }

	  EventEmitter.call(this);
	} // Otherwise people can pipe Writable streams, which is just wrong.

	Writable.prototype.pipe = function () {
	  this.emit('error', new Error('Cannot pipe, not readable'));
	};

	function writeAfterEnd(stream, cb) {
	  var er = new Error('write after end'); // TODO: defer error events consistently everywhere, not just the cb

	  stream.emit('error', er);
	  nextTick$1(cb, er);
	} // If we get something that is not a buffer, string, null, or undefined,
	// and we're not in objectMode, then that's an error.
	// Otherwise stream chunks are all considered to be of length=1, and the
	// watermarks determine how many objects to keep in the buffer, rather than
	// how many bytes or characters.


	function validChunk(stream, state, chunk, cb) {
	  var valid = true;
	  var er = false; // Always throw error if a null is written
	  // if we are not in object mode then throw
	  // if it is not a buffer, string, or undefined.

	  if (chunk === null) {
	    er = new TypeError('May not write null values to stream');
	  } else if (!Buffer$1.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
	    er = new TypeError('Invalid non-string/buffer chunk');
	  }

	  if (er) {
	    stream.emit('error', er);
	    nextTick$1(cb, er);
	    valid = false;
	  }

	  return valid;
	}

	Writable.prototype.write = function (chunk, encoding, cb) {
	  var state = this._writableState;
	  var ret = false;

	  if (typeof encoding === 'function') {
	    cb = encoding;
	    encoding = null;
	  }

	  if (Buffer$1.isBuffer(chunk)) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
	  if (typeof cb !== 'function') cb = nop;
	  if (state.ended) writeAfterEnd(this, cb);else if (validChunk(this, state, chunk, cb)) {
	    state.pendingcb++;
	    ret = writeOrBuffer(this, state, chunk, encoding, cb);
	  }
	  return ret;
	};

	Writable.prototype.cork = function () {
	  var state = this._writableState;
	  state.corked++;
	};

	Writable.prototype.uncork = function () {
	  var state = this._writableState;

	  if (state.corked) {
	    state.corked--;
	    if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
	  }
	};

	Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
	  // node::ParseEncoding() requires lower case.
	  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
	  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
	  this._writableState.defaultEncoding = encoding;
	  return this;
	};

	function decodeChunk(state, chunk, encoding) {
	  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
	    chunk = Buffer$1.from(chunk, encoding);
	  }

	  return chunk;
	} // if we're already writing something, then just put this
	// in the queue, and wait our turn.  Otherwise, call _write
	// If we return false, then we need a drain event, so set that flag.


	function writeOrBuffer(stream, state, chunk, encoding, cb) {
	  chunk = decodeChunk(state, chunk, encoding);
	  if (Buffer$1.isBuffer(chunk)) encoding = 'buffer';
	  var len = state.objectMode ? 1 : chunk.length;
	  state.length += len;
	  var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false.

	  if (!ret) state.needDrain = true;

	  if (state.writing || state.corked) {
	    var last = state.lastBufferedRequest;
	    state.lastBufferedRequest = new WriteReq(chunk, encoding, cb);

	    if (last) {
	      last.next = state.lastBufferedRequest;
	    } else {
	      state.bufferedRequest = state.lastBufferedRequest;
	    }

	    state.bufferedRequestCount += 1;
	  } else {
	    doWrite(stream, state, false, len, chunk, encoding, cb);
	  }

	  return ret;
	}

	function doWrite(stream, state, writev, len, chunk, encoding, cb) {
	  state.writelen = len;
	  state.writecb = cb;
	  state.writing = true;
	  state.sync = true;
	  if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
	  state.sync = false;
	}

	function onwriteError(stream, state, sync, er, cb) {
	  --state.pendingcb;
	  if (sync) nextTick$1(cb, er);else cb(er);
	  stream._writableState.errorEmitted = true;
	  stream.emit('error', er);
	}

	function onwriteStateUpdate(state) {
	  state.writing = false;
	  state.writecb = null;
	  state.length -= state.writelen;
	  state.writelen = 0;
	}

	function onwrite(stream, er) {
	  var state = stream._writableState;
	  var sync = state.sync;
	  var cb = state.writecb;
	  onwriteStateUpdate(state);
	  if (er) onwriteError(stream, state, sync, er, cb);else {
	    // Check if we're actually ready to finish, but don't emit yet
	    var finished = needFinish(state);

	    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
	      clearBuffer(stream, state);
	    }

	    if (sync) {
	      /*<replacement>*/
	      nextTick$1(afterWrite, stream, state, finished, cb);
	      /*</replacement>*/
	    } else {
	      afterWrite(stream, state, finished, cb);
	    }
	  }
	}

	function afterWrite(stream, state, finished, cb) {
	  if (!finished) onwriteDrain(stream, state);
	  state.pendingcb--;
	  cb();
	  finishMaybe(stream, state);
	} // Must force callback to be called on nextTick, so that we don't
	// emit 'drain' before the write() consumer gets the 'false' return
	// value, and has a chance to attach a 'drain' listener.


	function onwriteDrain(stream, state) {
	  if (state.length === 0 && state.needDrain) {
	    state.needDrain = false;
	    stream.emit('drain');
	  }
	} // if there's something in the buffer waiting, then process it


	function clearBuffer(stream, state) {
	  state.bufferProcessing = true;
	  var entry = state.bufferedRequest;

	  if (stream._writev && entry && entry.next) {
	    // Fast case, write everything using _writev()
	    var l = state.bufferedRequestCount;
	    var buffer = new Array(l);
	    var holder = state.corkedRequestsFree;
	    holder.entry = entry;
	    var count = 0;

	    while (entry) {
	      buffer[count] = entry;
	      entry = entry.next;
	      count += 1;
	    }

	    doWrite(stream, state, true, state.length, buffer, '', holder.finish); // doWrite is almost always async, defer these to save a bit of time
	    // as the hot path ends with doWrite

	    state.pendingcb++;
	    state.lastBufferedRequest = null;

	    if (holder.next) {
	      state.corkedRequestsFree = holder.next;
	      holder.next = null;
	    } else {
	      state.corkedRequestsFree = new CorkedRequest(state);
	    }
	  } else {
	    // Slow case, write chunks one-by-one
	    while (entry) {
	      var chunk = entry.chunk;
	      var encoding = entry.encoding;
	      var cb = entry.callback;
	      var len = state.objectMode ? 1 : chunk.length;
	      doWrite(stream, state, false, len, chunk, encoding, cb);
	      entry = entry.next; // if we didn't call the onwrite immediately, then
	      // it means that we need to wait until it does.
	      // also, that means that the chunk and cb are currently
	      // being processed, so move the buffer counter past them.

	      if (state.writing) {
	        break;
	      }
	    }

	    if (entry === null) state.lastBufferedRequest = null;
	  }

	  state.bufferedRequestCount = 0;
	  state.bufferedRequest = entry;
	  state.bufferProcessing = false;
	}

	Writable.prototype._write = function (chunk, encoding, cb) {
	  cb(new Error('not implemented'));
	};

	Writable.prototype._writev = null;

	Writable.prototype.end = function (chunk, encoding, cb) {
	  var state = this._writableState;

	  if (typeof chunk === 'function') {
	    cb = chunk;
	    chunk = null;
	    encoding = null;
	  } else if (typeof encoding === 'function') {
	    cb = encoding;
	    encoding = null;
	  }

	  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); // .end() fully uncorks

	  if (state.corked) {
	    state.corked = 1;
	    this.uncork();
	  } // ignore unnecessary end() calls.


	  if (!state.ending && !state.finished) endWritable(this, state, cb);
	};

	function needFinish(state) {
	  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
	}

	function prefinish(stream, state) {
	  if (!state.prefinished) {
	    state.prefinished = true;
	    stream.emit('prefinish');
	  }
	}

	function finishMaybe(stream, state) {
	  var need = needFinish(state);

	  if (need) {
	    if (state.pendingcb === 0) {
	      prefinish(stream, state);
	      state.finished = true;
	      stream.emit('finish');
	    } else {
	      prefinish(stream, state);
	    }
	  }

	  return need;
	}

	function endWritable(stream, state, cb) {
	  state.ending = true;
	  finishMaybe(stream, state);

	  if (cb) {
	    if (state.finished) nextTick$1(cb);else stream.once('finish', cb);
	  }

	  state.ended = true;
	  stream.writable = false;
	} // It seems a linked list but it is not
	// there will be only 2 of these for each stream


	function CorkedRequest(state) {
	  var _this = this;

	  this.next = null;
	  this.entry = null;

	  this.finish = function (err) {
	    var entry = _this.entry;
	    _this.entry = null;

	    while (entry) {
	      var cb = entry.callback;
	      state.pendingcb--;
	      cb(err);
	      entry = entry.next;
	    }

	    if (state.corkedRequestsFree) {
	      state.corkedRequestsFree.next = _this;
	    } else {
	      state.corkedRequestsFree = _this;
	    }
	  };
	}

	inherits$1(Duplex, Readable);
	var keys$4 = Object.keys(Writable.prototype);

	for (var v = 0; v < keys$4.length; v++) {
	  var method = keys$4[v];
	  if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
	}
	function Duplex(options) {
	  if (!(this instanceof Duplex)) return new Duplex(options);
	  Readable.call(this, options);
	  Writable.call(this, options);
	  if (options && options.readable === false) this.readable = false;
	  if (options && options.writable === false) this.writable = false;
	  this.allowHalfOpen = true;
	  if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
	  this.once('end', onend);
	} // the no-half-open enforcer

	function onend() {
	  // if we allow half-open state, or if the writable side ended,
	  // then we're ok.
	  if (this.allowHalfOpen || this._writableState.ended) return; // no more data can be written.
	  // But allow more writes to happen in this tick.

	  nextTick$1(onEndNT, this);
	}

	function onEndNT(self) {
	  self.end();
	}

	// a transform stream is a readable/writable stream where you do
	inherits$1(Transform, Duplex);

	function TransformState(stream) {
	  this.afterTransform = function (er, data) {
	    return afterTransform(stream, er, data);
	  };

	  this.needTransform = false;
	  this.transforming = false;
	  this.writecb = null;
	  this.writechunk = null;
	  this.writeencoding = null;
	}

	function afterTransform(stream, er, data) {
	  var ts = stream._transformState;
	  ts.transforming = false;
	  var cb = ts.writecb;
	  if (!cb) return stream.emit('error', new Error('no writecb in Transform class'));
	  ts.writechunk = null;
	  ts.writecb = null;
	  if (data !== null && data !== undefined) stream.push(data);
	  cb(er);
	  var rs = stream._readableState;
	  rs.reading = false;

	  if (rs.needReadable || rs.length < rs.highWaterMark) {
	    stream._read(rs.highWaterMark);
	  }
	}
	function Transform(options) {
	  if (!(this instanceof Transform)) return new Transform(options);
	  Duplex.call(this, options);
	  this._transformState = new TransformState(this); // when the writable side finishes, then flush out anything remaining.

	  var stream = this; // start out asking for a readable event once data is transformed.

	  this._readableState.needReadable = true; // we have implemented the _read method, and done the other things
	  // that Readable wants before the first _read call, so unset the
	  // sync guard flag.

	  this._readableState.sync = false;

	  if (options) {
	    if (typeof options.transform === 'function') this._transform = options.transform;
	    if (typeof options.flush === 'function') this._flush = options.flush;
	  }

	  this.once('prefinish', function () {
	    if (typeof this._flush === 'function') this._flush(function (er) {
	      done(stream, er);
	    });else done(stream);
	  });
	}

	Transform.prototype.push = function (chunk, encoding) {
	  this._transformState.needTransform = false;
	  return Duplex.prototype.push.call(this, chunk, encoding);
	}; // This is the part where you do stuff!
	// override this function in implementation classes.
	// 'chunk' is an input chunk.
	//
	// Call `push(newChunk)` to pass along transformed output
	// to the readable side.  You may call 'push' zero or more times.
	//
	// Call `cb(err)` when you are done with this chunk.  If you pass
	// an error, then that'll put the hurt on the whole operation.  If you
	// never call cb(), then you'll never get another chunk.


	Transform.prototype._transform = function (chunk, encoding, cb) {
	  throw new Error('Not implemented');
	};

	Transform.prototype._write = function (chunk, encoding, cb) {
	  var ts = this._transformState;
	  ts.writecb = cb;
	  ts.writechunk = chunk;
	  ts.writeencoding = encoding;

	  if (!ts.transforming) {
	    var rs = this._readableState;
	    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
	  }
	}; // Doesn't matter what the args are here.
	// _transform does all the work.
	// That we got here means that the readable side wants more data.


	Transform.prototype._read = function (n) {
	  var ts = this._transformState;

	  if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
	    ts.transforming = true;

	    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
	  } else {
	    // mark that we need a transform, so that any data that comes in
	    // will get processed, now that we've asked for it.
	    ts.needTransform = true;
	  }
	};

	function done(stream, er) {
	  if (er) return stream.emit('error', er); // if there's nothing in the write buffer, then that means
	  // that nothing more will ever be provided

	  var ws = stream._writableState;
	  var ts = stream._transformState;
	  if (ws.length) throw new Error('Calling transform done when ws.length != 0');
	  if (ts.transforming) throw new Error('Calling transform done when still transforming');
	  return stream.push(null);
	}

	inherits$1(PassThrough, Transform);
	function PassThrough(options) {
	  if (!(this instanceof PassThrough)) return new PassThrough(options);
	  Transform.call(this, options);
	}

	PassThrough.prototype._transform = function (chunk, encoding, cb) {
	  cb(null, chunk);
	};

	inherits$1(Stream, EventEmitter);
	Stream.Readable = Readable;
	Stream.Writable = Writable;
	Stream.Duplex = Duplex;
	Stream.Transform = Transform;
	Stream.PassThrough = PassThrough; // Backwards-compat with node 0.4.x

	Stream.Stream = Stream;
	// part of this class) is overridden in the Readable class.

	function Stream() {
	  EventEmitter.call(this);
	}

	Stream.prototype.pipe = function (dest, options) {
	  var source = this;

	  function ondata(chunk) {
	    if (dest.writable) {
	      if (false === dest.write(chunk) && source.pause) {
	        source.pause();
	      }
	    }
	  }

	  source.on('data', ondata);

	  function ondrain() {
	    if (source.readable && source.resume) {
	      source.resume();
	    }
	  }

	  dest.on('drain', ondrain); // If the 'end' option is not supplied, dest.end() will be called when
	  // source gets the 'end' or 'close' events.  Only dest.end() once.

	  if (!dest._isStdio && (!options || options.end !== false)) {
	    source.on('end', onend);
	    source.on('close', onclose);
	  }

	  var didOnEnd = false;

	  function onend() {
	    if (didOnEnd) return;
	    didOnEnd = true;
	    dest.end();
	  }

	  function onclose() {
	    if (didOnEnd) return;
	    didOnEnd = true;
	    if (typeof dest.destroy === 'function') dest.destroy();
	  } // don't leave dangling pipes when there are errors.


	  function onerror(er) {
	    cleanup();

	    if (EventEmitter.listenerCount(this, 'error') === 0) {
	      throw er; // Unhandled stream error in pipe.
	    }
	  }

	  source.on('error', onerror);
	  dest.on('error', onerror); // remove all the event listeners that were added.

	  function cleanup() {
	    source.removeListener('data', ondata);
	    dest.removeListener('drain', ondrain);
	    source.removeListener('end', onend);
	    source.removeListener('close', onclose);
	    source.removeListener('error', onerror);
	    dest.removeListener('error', onerror);
	    source.removeListener('end', cleanup);
	    source.removeListener('close', cleanup);
	    dest.removeListener('close', cleanup);
	  }

	  source.on('end', cleanup);
	  source.on('close', cleanup);
	  dest.on('close', cleanup);
	  dest.emit('pipe', source); // Allow for unix-like usage: A.pipe(B).pipe(C)

	  return dest;
	};

	var WritableStream = Stream.Writable;
	var inherits$2 = util.inherits;
	var browserStdout = BrowserStdout;
	inherits$2(BrowserStdout, WritableStream);

	function BrowserStdout(opts) {
	  if (!(this instanceof BrowserStdout)) return new BrowserStdout(opts);
	  opts = opts || {};
	  WritableStream.call(this, opts);
	  this.label = opts.label !== undefined ? opts.label : 'stdout';
	}

	BrowserStdout.prototype._write = function (chunks, encoding, cb) {
	  var output = chunks.toString ? chunks.toString() : chunks;

	  if (this.label === false) {
	    console.log(output);
	  } else {
	    console.log(this.label + ':', output);
	  }

	  nextTick(cb);
	};

	var parseQuery = function parseQuery(qs) {
	  return qs.replace('?', '').split('&').reduce(function (obj, pair) {
	    var i = pair.indexOf('=');
	    var key = pair.slice(0, i);
	    var val = pair.slice(++i); // Due to how the URLSearchParams API treats spaces

	    obj[key] = decodeURIComponent(val.replace(/\+/g, '%20'));
	    return obj;
	  }, {});
	};

	function highlight(js) {
	  return js.replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\/\/(.*)/gm, '<span class="comment">//$1</span>').replace(/('.*?')/gm, '<span class="string">$1</span>').replace(/(\d+\.\d+)/gm, '<span class="number">$1</span>').replace(/(\d+)/gm, '<span class="number">$1</span>').replace(/\bnew[ \t]+(\w+)/gm, '<span class="keyword">new</span> <span class="init">$1</span>').replace(/\b(function|new|throw|return|var|if|else)\b/gm, '<span class="keyword">$1</span>');
	}
	/**
	 * Highlight the contents of tag `name`.
	 *
	 * @private
	 * @param {string} name
	 */


	var highlightTags = function highlightTags(name) {
	  var code = document.getElementById('mocha').getElementsByTagName(name);

	  for (var i = 0, len = code.length; i < len; ++i) {
	    code[i].innerHTML = highlight(code[i].innerHTML);
	  }
	};

	var nativePromiseConstructor = global_1.Promise;

	var iteratorClose = function (iterator) {
	  var returnMethod = iterator['return'];
	  if (returnMethod !== undefined) {
	    return anObject(returnMethod.call(iterator)).value;
	  }
	};

	var Result = function (stopped, result) {
	  this.stopped = stopped;
	  this.result = result;
	};

	var iterate = function (iterable, unboundFunction, options) {
	  var that = options && options.that;
	  var AS_ENTRIES = !!(options && options.AS_ENTRIES);
	  var IS_ITERATOR = !!(options && options.IS_ITERATOR);
	  var INTERRUPTED = !!(options && options.INTERRUPTED);
	  var fn = functionBindContext(unboundFunction, that, 1 + AS_ENTRIES + INTERRUPTED);
	  var iterator, iterFn, index, length, result, next, step;

	  var stop = function (condition) {
	    if (iterator) iteratorClose(iterator);
	    return new Result(true, condition);
	  };

	  var callFn = function (value) {
	    if (AS_ENTRIES) {
	      anObject(value);
	      return INTERRUPTED ? fn(value[0], value[1], stop) : fn(value[0], value[1]);
	    } return INTERRUPTED ? fn(value, stop) : fn(value);
	  };

	  if (IS_ITERATOR) {
	    iterator = iterable;
	  } else {
	    iterFn = getIteratorMethod(iterable);
	    if (typeof iterFn != 'function') throw TypeError('Target is not iterable');
	    // optimisation for array iterators
	    if (isArrayIteratorMethod(iterFn)) {
	      for (index = 0, length = toLength(iterable.length); length > index; index++) {
	        result = callFn(iterable[index]);
	        if (result && result instanceof Result) return result;
	      } return new Result(false);
	    }
	    iterator = iterFn.call(iterable);
	  }

	  next = iterator.next;
	  while (!(step = next.call(iterator)).done) {
	    try {
	      result = callFn(step.value);
	    } catch (error) {
	      iteratorClose(iterator);
	      throw error;
	    }
	    if (typeof result == 'object' && result && result instanceof Result) return result;
	  } return new Result(false);
	};

	var engineIsIos = /(iphone|ipod|ipad).*applewebkit/i.test(engineUserAgent);

	var engineIsNode = classofRaw(global_1.process) == 'process';

	var location$1 = global_1.location;
	var set$2 = global_1.setImmediate;
	var clear = global_1.clearImmediate;
	var process$2 = global_1.process;
	var MessageChannel = global_1.MessageChannel;
	var Dispatch = global_1.Dispatch;
	var counter = 0;
	var queue$2 = {};
	var ONREADYSTATECHANGE = 'onreadystatechange';
	var defer, channel, port;

	var run = function (id) {
	  // eslint-disable-next-line no-prototype-builtins
	  if (queue$2.hasOwnProperty(id)) {
	    var fn = queue$2[id];
	    delete queue$2[id];
	    fn();
	  }
	};

	var runner = function (id) {
	  return function () {
	    run(id);
	  };
	};

	var listener = function (event) {
	  run(event.data);
	};

	var post = function (id) {
	  // old engines have not location.origin
	  global_1.postMessage(id + '', location$1.protocol + '//' + location$1.host);
	};

	// Node.js 0.9+ & IE10+ has setImmediate, otherwise:
	if (!set$2 || !clear) {
	  set$2 = function setImmediate(fn) {
	    var args = [];
	    var i = 1;
	    while (arguments.length > i) args.push(arguments[i++]);
	    queue$2[++counter] = function () {
	      // eslint-disable-next-line no-new-func
	      (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);
	    };
	    defer(counter);
	    return counter;
	  };
	  clear = function clearImmediate(id) {
	    delete queue$2[id];
	  };
	  // Node.js 0.8-
	  if (engineIsNode) {
	    defer = function (id) {
	      process$2.nextTick(runner(id));
	    };
	  // Sphere (JS game engine) Dispatch API
	  } else if (Dispatch && Dispatch.now) {
	    defer = function (id) {
	      Dispatch.now(runner(id));
	    };
	  // Browsers with MessageChannel, includes WebWorkers
	  // except iOS - https://github.com/zloirock/core-js/issues/624
	  } else if (MessageChannel && !engineIsIos) {
	    channel = new MessageChannel();
	    port = channel.port2;
	    channel.port1.onmessage = listener;
	    defer = functionBindContext(port.postMessage, port, 1);
	  // Browsers with postMessage, skip WebWorkers
	  // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
	  } else if (
	    global_1.addEventListener &&
	    typeof postMessage == 'function' &&
	    !global_1.importScripts &&
	    location$1 && location$1.protocol !== 'file:' &&
	    !fails(post)
	  ) {
	    defer = post;
	    global_1.addEventListener('message', listener, false);
	  // IE8-
	  } else if (ONREADYSTATECHANGE in documentCreateElement('script')) {
	    defer = function (id) {
	      html.appendChild(documentCreateElement('script'))[ONREADYSTATECHANGE] = function () {
	        html.removeChild(this);
	        run(id);
	      };
	    };
	  // Rest old browsers
	  } else {
	    defer = function (id) {
	      setTimeout(runner(id), 0);
	    };
	  }
	}

	var task = {
	  set: set$2,
	  clear: clear
	};

	var engineIsWebosWebkit = /web0s(?!.*chrome)/i.test(engineUserAgent);

	var getOwnPropertyDescriptor$3 = objectGetOwnPropertyDescriptor.f;
	var macrotask = task.set;




	var MutationObserver = global_1.MutationObserver || global_1.WebKitMutationObserver;
	var document$2 = global_1.document;
	var process$3 = global_1.process;
	var Promise$1 = global_1.Promise;
	// Node.js 11 shows ExperimentalWarning on getting `queueMicrotask`
	var queueMicrotaskDescriptor = getOwnPropertyDescriptor$3(global_1, 'queueMicrotask');
	var queueMicrotask = queueMicrotaskDescriptor && queueMicrotaskDescriptor.value;

	var flush, head, last, notify, toggle, node, promise, then;

	// modern engines have queueMicrotask method
	if (!queueMicrotask) {
	  flush = function () {
	    var parent, fn;
	    if (engineIsNode && (parent = process$3.domain)) parent.exit();
	    while (head) {
	      fn = head.fn;
	      head = head.next;
	      try {
	        fn();
	      } catch (error) {
	        if (head) notify();
	        else last = undefined;
	        throw error;
	      }
	    } last = undefined;
	    if (parent) parent.enter();
	  };

	  // browsers with MutationObserver, except iOS - https://github.com/zloirock/core-js/issues/339
	  // also except WebOS Webkit https://github.com/zloirock/core-js/issues/898
	  if (!engineIsIos && !engineIsNode && !engineIsWebosWebkit && MutationObserver && document$2) {
	    toggle = true;
	    node = document$2.createTextNode('');
	    new MutationObserver(flush).observe(node, { characterData: true });
	    notify = function () {
	      node.data = toggle = !toggle;
	    };
	  // environments with maybe non-completely correct, but existent Promise
	  } else if (Promise$1 && Promise$1.resolve) {
	    // Promise.resolve without an argument throws an error in LG WebOS 2
	    promise = Promise$1.resolve(undefined);
	    then = promise.then;
	    notify = function () {
	      then.call(promise, flush);
	    };
	  // Node.js without promises
	  } else if (engineIsNode) {
	    notify = function () {
	      process$3.nextTick(flush);
	    };
	  // for other environments - macrotask based on:
	  // - setImmediate
	  // - MessageChannel
	  // - window.postMessag
	  // - onreadystatechange
	  // - setTimeout
	  } else {
	    notify = function () {
	      // strange IE + webpack dev server bug - use .call(global)
	      macrotask.call(global_1, flush);
	    };
	  }
	}

	var microtask = queueMicrotask || function (fn) {
	  var task = { fn: fn, next: undefined };
	  if (last) last.next = task;
	  if (!head) {
	    head = task;
	    notify();
	  } last = task;
	};

	var PromiseCapability = function (C) {
	  var resolve, reject;
	  this.promise = new C(function ($$resolve, $$reject) {
	    if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
	    resolve = $$resolve;
	    reject = $$reject;
	  });
	  this.resolve = aFunction$1(resolve);
	  this.reject = aFunction$1(reject);
	};

	// 25.4.1.5 NewPromiseCapability(C)
	var f$7 = function (C) {
	  return new PromiseCapability(C);
	};

	var newPromiseCapability = {
		f: f$7
	};

	var promiseResolve = function (C, x) {
	  anObject(C);
	  if (isObject(x) && x.constructor === C) return x;
	  var promiseCapability = newPromiseCapability.f(C);
	  var resolve = promiseCapability.resolve;
	  resolve(x);
	  return promiseCapability.promise;
	};

	var hostReportErrors = function (a, b) {
	  var console = global_1.console;
	  if (console && console.error) {
	    arguments.length === 1 ? console.error(a) : console.error(a, b);
	  }
	};

	var perform = function (exec) {
	  try {
	    return { error: false, value: exec() };
	  } catch (error) {
	    return { error: true, value: error };
	  }
	};

	var task$1 = task.set;











	var SPECIES$6 = wellKnownSymbol('species');
	var PROMISE = 'Promise';
	var getInternalState$3 = internalState.get;
	var setInternalState$4 = internalState.set;
	var getInternalPromiseState = internalState.getterFor(PROMISE);
	var PromiseConstructor = nativePromiseConstructor;
	var TypeError$1 = global_1.TypeError;
	var document$3 = global_1.document;
	var process$4 = global_1.process;
	var $fetch = getBuiltIn('fetch');
	var newPromiseCapability$1 = newPromiseCapability.f;
	var newGenericPromiseCapability = newPromiseCapability$1;
	var DISPATCH_EVENT = !!(document$3 && document$3.createEvent && global_1.dispatchEvent);
	var NATIVE_REJECTION_EVENT = typeof PromiseRejectionEvent == 'function';
	var UNHANDLED_REJECTION = 'unhandledrejection';
	var REJECTION_HANDLED = 'rejectionhandled';
	var PENDING = 0;
	var FULFILLED = 1;
	var REJECTED = 2;
	var HANDLED = 1;
	var UNHANDLED = 2;
	var Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;

	var FORCED$7 = isForced_1(PROMISE, function () {
	  var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);
	  if (!GLOBAL_CORE_JS_PROMISE) {
	    // V8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
	    // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
	    // We can't detect it synchronously, so just check versions
	    if (engineV8Version === 66) return true;
	    // Unhandled rejections tracking support, NodeJS Promise without it fails @@species test
	    if (!engineIsNode && !NATIVE_REJECTION_EVENT) return true;
	  }
	  // We can't use @@species feature detection in V8 since it causes
	  // deoptimization and performance degradation
	  // https://github.com/zloirock/core-js/issues/679
	  if (engineV8Version >= 51 && /native code/.test(PromiseConstructor)) return false;
	  // Detect correctness of subclassing with @@species support
	  var promise = PromiseConstructor.resolve(1);
	  var FakePromise = function (exec) {
	    exec(function () { /* empty */ }, function () { /* empty */ });
	  };
	  var constructor = promise.constructor = {};
	  constructor[SPECIES$6] = FakePromise;
	  return !(promise.then(function () { /* empty */ }) instanceof FakePromise);
	});

	var INCORRECT_ITERATION = FORCED$7 || !checkCorrectnessOfIteration(function (iterable) {
	  PromiseConstructor.all(iterable)['catch'](function () { /* empty */ });
	});

	// helpers
	var isThenable = function (it) {
	  var then;
	  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
	};

	var notify$1 = function (state, isReject) {
	  if (state.notified) return;
	  state.notified = true;
	  var chain = state.reactions;
	  microtask(function () {
	    var value = state.value;
	    var ok = state.state == FULFILLED;
	    var index = 0;
	    // variable length - can't use forEach
	    while (chain.length > index) {
	      var reaction = chain[index++];
	      var handler = ok ? reaction.ok : reaction.fail;
	      var resolve = reaction.resolve;
	      var reject = reaction.reject;
	      var domain = reaction.domain;
	      var result, then, exited;
	      try {
	        if (handler) {
	          if (!ok) {
	            if (state.rejection === UNHANDLED) onHandleUnhandled(state);
	            state.rejection = HANDLED;
	          }
	          if (handler === true) result = value;
	          else {
	            if (domain) domain.enter();
	            result = handler(value); // can throw
	            if (domain) {
	              domain.exit();
	              exited = true;
	            }
	          }
	          if (result === reaction.promise) {
	            reject(TypeError$1('Promise-chain cycle'));
	          } else if (then = isThenable(result)) {
	            then.call(result, resolve, reject);
	          } else resolve(result);
	        } else reject(value);
	      } catch (error) {
	        if (domain && !exited) domain.exit();
	        reject(error);
	      }
	    }
	    state.reactions = [];
	    state.notified = false;
	    if (isReject && !state.rejection) onUnhandled(state);
	  });
	};

	var dispatchEvent = function (name, promise, reason) {
	  var event, handler;
	  if (DISPATCH_EVENT) {
	    event = document$3.createEvent('Event');
	    event.promise = promise;
	    event.reason = reason;
	    event.initEvent(name, false, true);
	    global_1.dispatchEvent(event);
	  } else event = { promise: promise, reason: reason };
	  if (!NATIVE_REJECTION_EVENT && (handler = global_1['on' + name])) handler(event);
	  else if (name === UNHANDLED_REJECTION) hostReportErrors('Unhandled promise rejection', reason);
	};

	var onUnhandled = function (state) {
	  task$1.call(global_1, function () {
	    var promise = state.facade;
	    var value = state.value;
	    var IS_UNHANDLED = isUnhandled(state);
	    var result;
	    if (IS_UNHANDLED) {
	      result = perform(function () {
	        if (engineIsNode) {
	          process$4.emit('unhandledRejection', value, promise);
	        } else dispatchEvent(UNHANDLED_REJECTION, promise, value);
	      });
	      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
	      state.rejection = engineIsNode || isUnhandled(state) ? UNHANDLED : HANDLED;
	      if (result.error) throw result.value;
	    }
	  });
	};

	var isUnhandled = function (state) {
	  return state.rejection !== HANDLED && !state.parent;
	};

	var onHandleUnhandled = function (state) {
	  task$1.call(global_1, function () {
	    var promise = state.facade;
	    if (engineIsNode) {
	      process$4.emit('rejectionHandled', promise);
	    } else dispatchEvent(REJECTION_HANDLED, promise, state.value);
	  });
	};

	var bind = function (fn, state, unwrap) {
	  return function (value) {
	    fn(state, value, unwrap);
	  };
	};

	var internalReject = function (state, value, unwrap) {
	  if (state.done) return;
	  state.done = true;
	  if (unwrap) state = unwrap;
	  state.value = value;
	  state.state = REJECTED;
	  notify$1(state, true);
	};

	var internalResolve = function (state, value, unwrap) {
	  if (state.done) return;
	  state.done = true;
	  if (unwrap) state = unwrap;
	  try {
	    if (state.facade === value) throw TypeError$1("Promise can't be resolved itself");
	    var then = isThenable(value);
	    if (then) {
	      microtask(function () {
	        var wrapper = { done: false };
	        try {
	          then.call(value,
	            bind(internalResolve, wrapper, state),
	            bind(internalReject, wrapper, state)
	          );
	        } catch (error) {
	          internalReject(wrapper, error, state);
	        }
	      });
	    } else {
	      state.value = value;
	      state.state = FULFILLED;
	      notify$1(state, false);
	    }
	  } catch (error) {
	    internalReject({ done: false }, error, state);
	  }
	};

	// constructor polyfill
	if (FORCED$7) {
	  // 25.4.3.1 Promise(executor)
	  PromiseConstructor = function Promise(executor) {
	    anInstance(this, PromiseConstructor, PROMISE);
	    aFunction$1(executor);
	    Internal.call(this);
	    var state = getInternalState$3(this);
	    try {
	      executor(bind(internalResolve, state), bind(internalReject, state));
	    } catch (error) {
	      internalReject(state, error);
	    }
	  };
	  // eslint-disable-next-line no-unused-vars
	  Internal = function Promise(executor) {
	    setInternalState$4(this, {
	      type: PROMISE,
	      done: false,
	      notified: false,
	      parent: false,
	      reactions: [],
	      rejection: false,
	      state: PENDING,
	      value: undefined
	    });
	  };
	  Internal.prototype = redefineAll(PromiseConstructor.prototype, {
	    // `Promise.prototype.then` method
	    // https://tc39.es/ecma262/#sec-promise.prototype.then
	    then: function then(onFulfilled, onRejected) {
	      var state = getInternalPromiseState(this);
	      var reaction = newPromiseCapability$1(speciesConstructor(this, PromiseConstructor));
	      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
	      reaction.fail = typeof onRejected == 'function' && onRejected;
	      reaction.domain = engineIsNode ? process$4.domain : undefined;
	      state.parent = true;
	      state.reactions.push(reaction);
	      if (state.state != PENDING) notify$1(state, false);
	      return reaction.promise;
	    },
	    // `Promise.prototype.catch` method
	    // https://tc39.es/ecma262/#sec-promise.prototype.catch
	    'catch': function (onRejected) {
	      return this.then(undefined, onRejected);
	    }
	  });
	  OwnPromiseCapability = function () {
	    var promise = new Internal();
	    var state = getInternalState$3(promise);
	    this.promise = promise;
	    this.resolve = bind(internalResolve, state);
	    this.reject = bind(internalReject, state);
	  };
	  newPromiseCapability.f = newPromiseCapability$1 = function (C) {
	    return C === PromiseConstructor || C === PromiseWrapper
	      ? new OwnPromiseCapability(C)
	      : newGenericPromiseCapability(C);
	  };

	  if ( typeof nativePromiseConstructor == 'function') {
	    nativeThen = nativePromiseConstructor.prototype.then;

	    // wrap native Promise#then for native async functions
	    redefine(nativePromiseConstructor.prototype, 'then', function then(onFulfilled, onRejected) {
	      var that = this;
	      return new PromiseConstructor(function (resolve, reject) {
	        nativeThen.call(that, resolve, reject);
	      }).then(onFulfilled, onRejected);
	    // https://github.com/zloirock/core-js/issues/640
	    }, { unsafe: true });

	    // wrap fetch result
	    if (typeof $fetch == 'function') _export({ global: true, enumerable: true, forced: true }, {
	      // eslint-disable-next-line no-unused-vars
	      fetch: function fetch(input /* , init */) {
	        return promiseResolve(PromiseConstructor, $fetch.apply(global_1, arguments));
	      }
	    });
	  }
	}

	_export({ global: true, wrap: true, forced: FORCED$7 }, {
	  Promise: PromiseConstructor
	});

	setToStringTag(PromiseConstructor, PROMISE, false);
	setSpecies(PROMISE);

	PromiseWrapper = getBuiltIn(PROMISE);

	// statics
	_export({ target: PROMISE, stat: true, forced: FORCED$7 }, {
	  // `Promise.reject` method
	  // https://tc39.es/ecma262/#sec-promise.reject
	  reject: function reject(r) {
	    var capability = newPromiseCapability$1(this);
	    capability.reject.call(undefined, r);
	    return capability.promise;
	  }
	});

	_export({ target: PROMISE, stat: true, forced:  FORCED$7 }, {
	  // `Promise.resolve` method
	  // https://tc39.es/ecma262/#sec-promise.resolve
	  resolve: function resolve(x) {
	    return promiseResolve( this, x);
	  }
	});

	_export({ target: PROMISE, stat: true, forced: INCORRECT_ITERATION }, {
	  // `Promise.all` method
	  // https://tc39.es/ecma262/#sec-promise.all
	  all: function all(iterable) {
	    var C = this;
	    var capability = newPromiseCapability$1(C);
	    var resolve = capability.resolve;
	    var reject = capability.reject;
	    var result = perform(function () {
	      var $promiseResolve = aFunction$1(C.resolve);
	      var values = [];
	      var counter = 0;
	      var remaining = 1;
	      iterate(iterable, function (promise) {
	        var index = counter++;
	        var alreadyCalled = false;
	        values.push(undefined);
	        remaining++;
	        $promiseResolve.call(C, promise).then(function (value) {
	          if (alreadyCalled) return;
	          alreadyCalled = true;
	          values[index] = value;
	          --remaining || resolve(values);
	        }, reject);
	      });
	      --remaining || resolve(values);
	    });
	    if (result.error) reject(result.value);
	    return capability.promise;
	  },
	  // `Promise.race` method
	  // https://tc39.es/ecma262/#sec-promise.race
	  race: function race(iterable) {
	    var C = this;
	    var capability = newPromiseCapability$1(C);
	    var reject = capability.reject;
	    var result = perform(function () {
	      var $promiseResolve = aFunction$1(C.resolve);
	      iterate(iterable, function (promise) {
	        $promiseResolve.call(C, promise).then(capability.resolve, reject);
	      });
	    });
	    if (result.error) reject(result.value);
	    return capability.promise;
	  }
	});

	// `Symbol.asyncIterator` well-known symbol
	// https://tc39.es/ecma262/#sec-symbol.asynciterator
	defineWellKnownSymbol('asyncIterator');

	// `Symbol.iterator` well-known symbol
	// https://tc39.es/ecma262/#sec-symbol.iterator
	defineWellKnownSymbol('iterator');

	// `Symbol.toStringTag` well-known symbol
	// https://tc39.es/ecma262/#sec-symbol.tostringtag
	defineWellKnownSymbol('toStringTag');

	// JSON[@@toStringTag] property
	// https://tc39.es/ecma262/#sec-json-@@tostringtag
	setToStringTag(global_1.JSON, 'JSON', true);

	// Math[@@toStringTag] property
	// https://tc39.es/ecma262/#sec-math-@@tostringtag
	setToStringTag(Math, 'Math', true);

	var charAt$1 = stringMultibyte.charAt;



	var STRING_ITERATOR = 'String Iterator';
	var setInternalState$5 = internalState.set;
	var getInternalState$4 = internalState.getterFor(STRING_ITERATOR);

	// `String.prototype[@@iterator]` method
	// https://tc39.es/ecma262/#sec-string.prototype-@@iterator
	defineIterator(String, 'String', function (iterated) {
	  setInternalState$5(this, {
	    type: STRING_ITERATOR,
	    string: String(iterated),
	    index: 0
	  });
	// `%StringIteratorPrototype%.next` method
	// https://tc39.es/ecma262/#sec-%stringiteratorprototype%.next
	}, function next() {
	  var state = getInternalState$4(this);
	  var string = state.string;
	  var index = state.index;
	  var point;
	  if (index >= string.length) return { value: undefined, done: true };
	  point = charAt$1(string, index);
	  state.index += point.length;
	  return { value: point, done: false };
	});

	var ITERATOR$6 = wellKnownSymbol('iterator');
	var TO_STRING_TAG$4 = wellKnownSymbol('toStringTag');
	var ArrayValues = es_array_iterator.values;

	for (var COLLECTION_NAME$1 in domIterables) {
	  var Collection$1 = global_1[COLLECTION_NAME$1];
	  var CollectionPrototype$1 = Collection$1 && Collection$1.prototype;
	  if (CollectionPrototype$1) {
	    // some Chrome versions have non-configurable methods on DOMTokenList
	    if (CollectionPrototype$1[ITERATOR$6] !== ArrayValues) try {
	      createNonEnumerableProperty(CollectionPrototype$1, ITERATOR$6, ArrayValues);
	    } catch (error) {
	      CollectionPrototype$1[ITERATOR$6] = ArrayValues;
	    }
	    if (!CollectionPrototype$1[TO_STRING_TAG$4]) {
	      createNonEnumerableProperty(CollectionPrototype$1, TO_STRING_TAG$4, COLLECTION_NAME$1);
	    }
	    if (domIterables[COLLECTION_NAME$1]) for (var METHOD_NAME in es_array_iterator) {
	      // some Chrome versions have non-configurable methods on DOMTokenList
	      if (CollectionPrototype$1[METHOD_NAME] !== es_array_iterator[METHOD_NAME]) try {
	        createNonEnumerableProperty(CollectionPrototype$1, METHOD_NAME, es_array_iterator[METHOD_NAME]);
	      } catch (error) {
	        CollectionPrototype$1[METHOD_NAME] = es_array_iterator[METHOD_NAME];
	      }
	    }
	  }
	}

	createCommonjsModule(function (module) {
	  /**
	   * Copyright (c) 2014-present, Facebook, Inc.
	   *
	   * This source code is licensed under the MIT license found in the
	   * LICENSE file in the root directory of this source tree.
	   */
	  var runtime = function (exports) {

	    var Op = Object.prototype;
	    var hasOwn = Op.hasOwnProperty;
	    var undefined$1; // More compressible than void 0.

	    var $Symbol = typeof Symbol === "function" ? Symbol : {};
	    var iteratorSymbol = $Symbol.iterator || "@@iterator";
	    var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
	    var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";

	    function define(obj, key, value) {
	      Object.defineProperty(obj, key, {
	        value: value,
	        enumerable: true,
	        configurable: true,
	        writable: true
	      });
	      return obj[key];
	    }

	    try {
	      // IE 8 has a broken Object.defineProperty that only works on DOM objects.
	      define({}, "");
	    } catch (err) {
	      define = function define(obj, key, value) {
	        return obj[key] = value;
	      };
	    }

	    function wrap(innerFn, outerFn, self, tryLocsList) {
	      // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
	      var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
	      var generator = Object.create(protoGenerator.prototype);
	      var context = new Context(tryLocsList || []); // The ._invoke method unifies the implementations of the .next,
	      // .throw, and .return methods.

	      generator._invoke = makeInvokeMethod(innerFn, self, context);
	      return generator;
	    }

	    exports.wrap = wrap; // Try/catch helper to minimize deoptimizations. Returns a completion
	    // record like context.tryEntries[i].completion. This interface could
	    // have been (and was previously) designed to take a closure to be
	    // invoked without arguments, but in all the cases we care about we
	    // already have an existing method we want to call, so there's no need
	    // to create a new function object. We can even get away with assuming
	    // the method takes exactly one argument, since that happens to be true
	    // in every case, so we don't have to touch the arguments object. The
	    // only additional allocation required is the completion record, which
	    // has a stable shape and so hopefully should be cheap to allocate.

	    function tryCatch(fn, obj, arg) {
	      try {
	        return {
	          type: "normal",
	          arg: fn.call(obj, arg)
	        };
	      } catch (err) {
	        return {
	          type: "throw",
	          arg: err
	        };
	      }
	    }

	    var GenStateSuspendedStart = "suspendedStart";
	    var GenStateSuspendedYield = "suspendedYield";
	    var GenStateExecuting = "executing";
	    var GenStateCompleted = "completed"; // Returning this object from the innerFn has the same effect as
	    // breaking out of the dispatch switch statement.

	    var ContinueSentinel = {}; // Dummy constructor functions that we use as the .constructor and
	    // .constructor.prototype properties for functions that return Generator
	    // objects. For full spec compliance, you may wish to configure your
	    // minifier not to mangle the names of these two functions.

	    function Generator() {}

	    function GeneratorFunction() {}

	    function GeneratorFunctionPrototype() {} // This is a polyfill for %IteratorPrototype% for environments that
	    // don't natively support it.


	    var IteratorPrototype = {};

	    IteratorPrototype[iteratorSymbol] = function () {
	      return this;
	    };

	    var getProto = Object.getPrototypeOf;
	    var NativeIteratorPrototype = getProto && getProto(getProto(values([])));

	    if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
	      // This environment has a native %IteratorPrototype%; use it instead
	      // of the polyfill.
	      IteratorPrototype = NativeIteratorPrototype;
	    }

	    var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
	    GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
	    GeneratorFunctionPrototype.constructor = GeneratorFunction;
	    GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction"); // Helper for defining the .next, .throw, and .return methods of the
	    // Iterator interface in terms of a single ._invoke method.

	    function defineIteratorMethods(prototype) {
	      ["next", "throw", "return"].forEach(function (method) {
	        define(prototype, method, function (arg) {
	          return this._invoke(method, arg);
	        });
	      });
	    }

	    exports.isGeneratorFunction = function (genFun) {
	      var ctor = typeof genFun === "function" && genFun.constructor;
	      return ctor ? ctor === GeneratorFunction || // For the native GeneratorFunction constructor, the best we can
	      // do is to check its .name property.
	      (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
	    };

	    exports.mark = function (genFun) {
	      if (Object.setPrototypeOf) {
	        Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
	      } else {
	        genFun.__proto__ = GeneratorFunctionPrototype;
	        define(genFun, toStringTagSymbol, "GeneratorFunction");
	      }

	      genFun.prototype = Object.create(Gp);
	      return genFun;
	    }; // Within the body of any async function, `await x` is transformed to
	    // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
	    // `hasOwn.call(value, "__await")` to determine if the yielded value is
	    // meant to be awaited.


	    exports.awrap = function (arg) {
	      return {
	        __await: arg
	      };
	    };

	    function AsyncIterator(generator, PromiseImpl) {
	      function invoke(method, arg, resolve, reject) {
	        var record = tryCatch(generator[method], generator, arg);

	        if (record.type === "throw") {
	          reject(record.arg);
	        } else {
	          var result = record.arg;
	          var value = result.value;

	          if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
	            return PromiseImpl.resolve(value.__await).then(function (value) {
	              invoke("next", value, resolve, reject);
	            }, function (err) {
	              invoke("throw", err, resolve, reject);
	            });
	          }

	          return PromiseImpl.resolve(value).then(function (unwrapped) {
	            // When a yielded Promise is resolved, its final value becomes
	            // the .value of the Promise<{value,done}> result for the
	            // current iteration.
	            result.value = unwrapped;
	            resolve(result);
	          }, function (error) {
	            // If a rejected Promise was yielded, throw the rejection back
	            // into the async generator function so it can be handled there.
	            return invoke("throw", error, resolve, reject);
	          });
	        }
	      }

	      var previousPromise;

	      function enqueue(method, arg) {
	        function callInvokeWithMethodAndArg() {
	          return new PromiseImpl(function (resolve, reject) {
	            invoke(method, arg, resolve, reject);
	          });
	        }

	        return previousPromise = // If enqueue has been called before, then we want to wait until
	        // all previous Promises have been resolved before calling invoke,
	        // so that results are always delivered in the correct order. If
	        // enqueue has not been called before, then it is important to
	        // call invoke immediately, without waiting on a callback to fire,
	        // so that the async generator function has the opportunity to do
	        // any necessary setup in a predictable way. This predictability
	        // is why the Promise constructor synchronously invokes its
	        // executor callback, and why async functions synchronously
	        // execute code before the first await. Since we implement simple
	        // async functions in terms of async generators, it is especially
	        // important to get this right, even though it requires care.
	        previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, // Avoid propagating failures to Promises returned by later
	        // invocations of the iterator.
	        callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
	      } // Define the unified helper method that is used to implement .next,
	      // .throw, and .return (see defineIteratorMethods).


	      this._invoke = enqueue;
	    }

	    defineIteratorMethods(AsyncIterator.prototype);

	    AsyncIterator.prototype[asyncIteratorSymbol] = function () {
	      return this;
	    };

	    exports.AsyncIterator = AsyncIterator; // Note that simple async functions are implemented on top of
	    // AsyncIterator objects; they just return a Promise for the value of
	    // the final result produced by the iterator.

	    exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
	      if (PromiseImpl === void 0) PromiseImpl = Promise;
	      var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
	      return exports.isGeneratorFunction(outerFn) ? iter // If outerFn is a generator, return the full iterator.
	      : iter.next().then(function (result) {
	        return result.done ? result.value : iter.next();
	      });
	    };

	    function makeInvokeMethod(innerFn, self, context) {
	      var state = GenStateSuspendedStart;
	      return function invoke(method, arg) {
	        if (state === GenStateExecuting) {
	          throw new Error("Generator is already running");
	        }

	        if (state === GenStateCompleted) {
	          if (method === "throw") {
	            throw arg;
	          } // Be forgiving, per 25.3.3.3.3 of the spec:
	          // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume


	          return doneResult();
	        }

	        context.method = method;
	        context.arg = arg;

	        while (true) {
	          var delegate = context.delegate;

	          if (delegate) {
	            var delegateResult = maybeInvokeDelegate(delegate, context);

	            if (delegateResult) {
	              if (delegateResult === ContinueSentinel) continue;
	              return delegateResult;
	            }
	          }

	          if (context.method === "next") {
	            // Setting context._sent for legacy support of Babel's
	            // function.sent implementation.
	            context.sent = context._sent = context.arg;
	          } else if (context.method === "throw") {
	            if (state === GenStateSuspendedStart) {
	              state = GenStateCompleted;
	              throw context.arg;
	            }

	            context.dispatchException(context.arg);
	          } else if (context.method === "return") {
	            context.abrupt("return", context.arg);
	          }

	          state = GenStateExecuting;
	          var record = tryCatch(innerFn, self, context);

	          if (record.type === "normal") {
	            // If an exception is thrown from innerFn, we leave state ===
	            // GenStateExecuting and loop back for another invocation.
	            state = context.done ? GenStateCompleted : GenStateSuspendedYield;

	            if (record.arg === ContinueSentinel) {
	              continue;
	            }

	            return {
	              value: record.arg,
	              done: context.done
	            };
	          } else if (record.type === "throw") {
	            state = GenStateCompleted; // Dispatch the exception by looping back around to the
	            // context.dispatchException(context.arg) call above.

	            context.method = "throw";
	            context.arg = record.arg;
	          }
	        }
	      };
	    } // Call delegate.iterator[context.method](context.arg) and handle the
	    // result, either by returning a { value, done } result from the
	    // delegate iterator, or by modifying context.method and context.arg,
	    // setting context.delegate to null, and returning the ContinueSentinel.


	    function maybeInvokeDelegate(delegate, context) {
	      var method = delegate.iterator[context.method];

	      if (method === undefined$1) {
	        // A .throw or .return when the delegate iterator has no .throw
	        // method always terminates the yield* loop.
	        context.delegate = null;

	        if (context.method === "throw") {
	          // Note: ["return"] must be used for ES3 parsing compatibility.
	          if (delegate.iterator["return"]) {
	            // If the delegate iterator has a return method, give it a
	            // chance to clean up.
	            context.method = "return";
	            context.arg = undefined$1;
	            maybeInvokeDelegate(delegate, context);

	            if (context.method === "throw") {
	              // If maybeInvokeDelegate(context) changed context.method from
	              // "return" to "throw", let that override the TypeError below.
	              return ContinueSentinel;
	            }
	          }

	          context.method = "throw";
	          context.arg = new TypeError("The iterator does not provide a 'throw' method");
	        }

	        return ContinueSentinel;
	      }

	      var record = tryCatch(method, delegate.iterator, context.arg);

	      if (record.type === "throw") {
	        context.method = "throw";
	        context.arg = record.arg;
	        context.delegate = null;
	        return ContinueSentinel;
	      }

	      var info = record.arg;

	      if (!info) {
	        context.method = "throw";
	        context.arg = new TypeError("iterator result is not an object");
	        context.delegate = null;
	        return ContinueSentinel;
	      }

	      if (info.done) {
	        // Assign the result of the finished delegate to the temporary
	        // variable specified by delegate.resultName (see delegateYield).
	        context[delegate.resultName] = info.value; // Resume execution at the desired location (see delegateYield).

	        context.next = delegate.nextLoc; // If context.method was "throw" but the delegate handled the
	        // exception, let the outer generator proceed normally. If
	        // context.method was "next", forget context.arg since it has been
	        // "consumed" by the delegate iterator. If context.method was
	        // "return", allow the original .return call to continue in the
	        // outer generator.

	        if (context.method !== "return") {
	          context.method = "next";
	          context.arg = undefined$1;
	        }
	      } else {
	        // Re-yield the result returned by the delegate method.
	        return info;
	      } // The delegate iterator is finished, so forget it and continue with
	      // the outer generator.


	      context.delegate = null;
	      return ContinueSentinel;
	    } // Define Generator.prototype.{next,throw,return} in terms of the
	    // unified ._invoke helper method.


	    defineIteratorMethods(Gp);
	    define(Gp, toStringTagSymbol, "Generator"); // A Generator should always return itself as the iterator object when the
	    // @@iterator function is called on it. Some browsers' implementations of the
	    // iterator prototype chain incorrectly implement this, causing the Generator
	    // object to not be returned from this call. This ensures that doesn't happen.
	    // See https://github.com/facebook/regenerator/issues/274 for more details.

	    Gp[iteratorSymbol] = function () {
	      return this;
	    };

	    Gp.toString = function () {
	      return "[object Generator]";
	    };

	    function pushTryEntry(locs) {
	      var entry = {
	        tryLoc: locs[0]
	      };

	      if (1 in locs) {
	        entry.catchLoc = locs[1];
	      }

	      if (2 in locs) {
	        entry.finallyLoc = locs[2];
	        entry.afterLoc = locs[3];
	      }

	      this.tryEntries.push(entry);
	    }

	    function resetTryEntry(entry) {
	      var record = entry.completion || {};
	      record.type = "normal";
	      delete record.arg;
	      entry.completion = record;
	    }

	    function Context(tryLocsList) {
	      // The root entry object (effectively a try statement without a catch
	      // or a finally block) gives us a place to store values thrown from
	      // locations where there is no enclosing try statement.
	      this.tryEntries = [{
	        tryLoc: "root"
	      }];
	      tryLocsList.forEach(pushTryEntry, this);
	      this.reset(true);
	    }

	    exports.keys = function (object) {
	      var keys = [];

	      for (var key in object) {
	        keys.push(key);
	      }

	      keys.reverse(); // Rather than returning an object with a next method, we keep
	      // things simple and return the next function itself.

	      return function next() {
	        while (keys.length) {
	          var key = keys.pop();

	          if (key in object) {
	            next.value = key;
	            next.done = false;
	            return next;
	          }
	        } // To avoid creating an additional object, we just hang the .value
	        // and .done properties off the next function object itself. This
	        // also ensures that the minifier will not anonymize the function.


	        next.done = true;
	        return next;
	      };
	    };

	    function values(iterable) {
	      if (iterable) {
	        var iteratorMethod = iterable[iteratorSymbol];

	        if (iteratorMethod) {
	          return iteratorMethod.call(iterable);
	        }

	        if (typeof iterable.next === "function") {
	          return iterable;
	        }

	        if (!isNaN(iterable.length)) {
	          var i = -1,
	              next = function next() {
	            while (++i < iterable.length) {
	              if (hasOwn.call(iterable, i)) {
	                next.value = iterable[i];
	                next.done = false;
	                return next;
	              }
	            }

	            next.value = undefined$1;
	            next.done = true;
	            return next;
	          };

	          return next.next = next;
	        }
	      } // Return an iterator with no values.


	      return {
	        next: doneResult
	      };
	    }

	    exports.values = values;

	    function doneResult() {
	      return {
	        value: undefined$1,
	        done: true
	      };
	    }

	    Context.prototype = {
	      constructor: Context,
	      reset: function reset(skipTempReset) {
	        this.prev = 0;
	        this.next = 0; // Resetting context._sent for legacy support of Babel's
	        // function.sent implementation.

	        this.sent = this._sent = undefined$1;
	        this.done = false;
	        this.delegate = null;
	        this.method = "next";
	        this.arg = undefined$1;
	        this.tryEntries.forEach(resetTryEntry);

	        if (!skipTempReset) {
	          for (var name in this) {
	            // Not sure about the optimal order of these conditions:
	            if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
	              this[name] = undefined$1;
	            }
	          }
	        }
	      },
	      stop: function stop() {
	        this.done = true;
	        var rootEntry = this.tryEntries[0];
	        var rootRecord = rootEntry.completion;

	        if (rootRecord.type === "throw") {
	          throw rootRecord.arg;
	        }

	        return this.rval;
	      },
	      dispatchException: function dispatchException(exception) {
	        if (this.done) {
	          throw exception;
	        }

	        var context = this;

	        function handle(loc, caught) {
	          record.type = "throw";
	          record.arg = exception;
	          context.next = loc;

	          if (caught) {
	            // If the dispatched exception was caught by a catch block,
	            // then let that catch block handle the exception normally.
	            context.method = "next";
	            context.arg = undefined$1;
	          }

	          return !!caught;
	        }

	        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	          var entry = this.tryEntries[i];
	          var record = entry.completion;

	          if (entry.tryLoc === "root") {
	            // Exception thrown outside of any try block that could handle
	            // it, so set the completion value of the entire function to
	            // throw the exception.
	            return handle("end");
	          }

	          if (entry.tryLoc <= this.prev) {
	            var hasCatch = hasOwn.call(entry, "catchLoc");
	            var hasFinally = hasOwn.call(entry, "finallyLoc");

	            if (hasCatch && hasFinally) {
	              if (this.prev < entry.catchLoc) {
	                return handle(entry.catchLoc, true);
	              } else if (this.prev < entry.finallyLoc) {
	                return handle(entry.finallyLoc);
	              }
	            } else if (hasCatch) {
	              if (this.prev < entry.catchLoc) {
	                return handle(entry.catchLoc, true);
	              }
	            } else if (hasFinally) {
	              if (this.prev < entry.finallyLoc) {
	                return handle(entry.finallyLoc);
	              }
	            } else {
	              throw new Error("try statement without catch or finally");
	            }
	          }
	        }
	      },
	      abrupt: function abrupt(type, arg) {
	        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	          var entry = this.tryEntries[i];

	          if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
	            var finallyEntry = entry;
	            break;
	          }
	        }

	        if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
	          // Ignore the finally entry if control is not jumping to a
	          // location outside the try/catch block.
	          finallyEntry = null;
	        }

	        var record = finallyEntry ? finallyEntry.completion : {};
	        record.type = type;
	        record.arg = arg;

	        if (finallyEntry) {
	          this.method = "next";
	          this.next = finallyEntry.finallyLoc;
	          return ContinueSentinel;
	        }

	        return this.complete(record);
	      },
	      complete: function complete(record, afterLoc) {
	        if (record.type === "throw") {
	          throw record.arg;
	        }

	        if (record.type === "break" || record.type === "continue") {
	          this.next = record.arg;
	        } else if (record.type === "return") {
	          this.rval = this.arg = record.arg;
	          this.method = "return";
	          this.next = "end";
	        } else if (record.type === "normal" && afterLoc) {
	          this.next = afterLoc;
	        }

	        return ContinueSentinel;
	      },
	      finish: function finish(finallyLoc) {
	        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	          var entry = this.tryEntries[i];

	          if (entry.finallyLoc === finallyLoc) {
	            this.complete(entry.completion, entry.afterLoc);
	            resetTryEntry(entry);
	            return ContinueSentinel;
	          }
	        }
	      },
	      "catch": function _catch(tryLoc) {
	        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	          var entry = this.tryEntries[i];

	          if (entry.tryLoc === tryLoc) {
	            var record = entry.completion;

	            if (record.type === "throw") {
	              var thrown = record.arg;
	              resetTryEntry(entry);
	            }

	            return thrown;
	          }
	        } // The context.catch method must only be called with a location
	        // argument that corresponds to a known catch block.


	        throw new Error("illegal catch attempt");
	      },
	      delegateYield: function delegateYield(iterable, resultName, nextLoc) {
	        this.delegate = {
	          iterator: values(iterable),
	          resultName: resultName,
	          nextLoc: nextLoc
	        };

	        if (this.method === "next") {
	          // Deliberately forget the last sent value so that we don't
	          // accidentally pass it on to the delegate.
	          this.arg = undefined$1;
	        }

	        return ContinueSentinel;
	      }
	    }; // Regardless of whether this script is executing as a CommonJS module
	    // or not, return the runtime object so that we can declare the variable
	    // regeneratorRuntime in the outer scope, which allows this module to be
	    // injected easily by `bin/regenerator --include-runtime script.js`.

	    return exports;
	  }( // If this script is executing as a CommonJS module, use module.exports
	  // as the regeneratorRuntime namespace. Otherwise create a new empty
	  // object. Either way, the resulting object will be used to initialize
	  // the regeneratorRuntime variable at the top of this file.
	   module.exports );

	  try {
	    regeneratorRuntime = runtime;
	  } catch (accidentalStrictMode) {
	    // This module should not be running in strict mode, so the above
	    // assignment should always work unless something is misconfigured. Just
	    // in case runtime.js accidentally runs in strict mode, we can escape
	    // strict mode using a global Function call. This could conceivably fail
	    // if a Content Security Policy forbids using Function, but in that case
	    // the proper solution is to fix the accidental strict mode problem. If
	    // you've misconfigured your bundler to force strict mode and applied a
	    // CSP to forbid Function, and you're not willing to fix either of those
	    // problems, please detail your unique predicament in a GitHub issue.
	    Function("r", "regeneratorRuntime = r")(runtime);
	  }
	});

	var escapeStringRegexp = function escapeStringRegexp(string) {
	  if (typeof string !== 'string') {
	    throw new TypeError('Expected a string');
	  } // Escape characters with special meaning either inside or outside character sets.
	  // Use a simple backslash escape when it’s always valid, and a \unnnn escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.


	  return string.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&').replace(/-/g, '\\x2d');
	};

	// Copyright Joyent, Inc. and other Node contributors.
	//
	// Permission is hereby granted, free of charge, to any person obtaining a
	// copy of this software and associated documentation files (the
	// "Software"), to deal in the Software without restriction, including
	// without limitation the rights to use, copy, modify, merge, publish,
	// distribute, sublicense, and/or sell copies of the Software, and to permit
	// persons to whom the Software is furnished to do so, subject to the
	// following conditions:
	//
	// The above copyright notice and this permission notice shall be included
	// in all copies or substantial portions of the Software.
	//
	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
	// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
	// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	// USE OR OTHER DEALINGS IN THE SOFTWARE.
	// resolves . and .. elements in a path array with directory names there
	// must be no slashes, empty elements, or device names (c:\) in the array
	// (so also no leading and trailing slashes - it does not distinguish
	// relative and absolute paths)
	function normalizeArray(parts, allowAboveRoot) {
	  // if the path tries to go above the root, `up` ends up > 0
	  var up = 0;

	  for (var i = parts.length - 1; i >= 0; i--) {
	    var last = parts[i];

	    if (last === '.') {
	      parts.splice(i, 1);
	    } else if (last === '..') {
	      parts.splice(i, 1);
	      up++;
	    } else if (up) {
	      parts.splice(i, 1);
	      up--;
	    }
	  } // if the path is allowed to go above the root, restore leading ..s


	  if (allowAboveRoot) {
	    for (; up--; up) {
	      parts.unshift('..');
	    }
	  }

	  return parts;
	} // Split a filename into [root, dir, basename, ext], unix version
	// 'root' is just a slash, or nothing.


	var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;

	var splitPath = function splitPath(filename) {
	  return splitPathRe.exec(filename).slice(1);
	}; // path.resolve([from ...], to)
	// posix version


	function resolve() {
	  var resolvedPath = '',
	      resolvedAbsolute = false;

	  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
	    var path = i >= 0 ? arguments[i] : '/'; // Skip empty and invalid entries

	    if (typeof path !== 'string') {
	      throw new TypeError('Arguments to path.resolve must be strings');
	    } else if (!path) {
	      continue;
	    }

	    resolvedPath = path + '/' + resolvedPath;
	    resolvedAbsolute = path.charAt(0) === '/';
	  } // At this point the path should be resolved to a full absolute path, but
	  // handle relative paths to be safe (might happen when process.cwd() fails)
	  // Normalize the path


	  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function (p) {
	    return !!p;
	  }), !resolvedAbsolute).join('/');
	  return (resolvedAbsolute ? '/' : '') + resolvedPath || '.';
	}
	// posix version

	function normalize$1(path) {
	  var isPathAbsolute = isAbsolute(path),
	      trailingSlash = substr(path, -1) === '/'; // Normalize the path

	  path = normalizeArray(filter(path.split('/'), function (p) {
	    return !!p;
	  }), !isPathAbsolute).join('/');

	  if (!path && !isPathAbsolute) {
	    path = '.';
	  }

	  if (path && trailingSlash) {
	    path += '/';
	  }

	  return (isPathAbsolute ? '/' : '') + path;
	}

	function isAbsolute(path) {
	  return path.charAt(0) === '/';
	} // posix version

	function join() {
	  var paths = Array.prototype.slice.call(arguments, 0);
	  return normalize$1(filter(paths, function (p, index) {
	    if (typeof p !== 'string') {
	      throw new TypeError('Arguments to path.join must be strings');
	    }

	    return p;
	  }).join('/'));
	} // path.relative(from, to)
	// posix version

	function relative(from, to) {
	  from = resolve(from).substr(1);
	  to = resolve(to).substr(1);

	  function trim(arr) {
	    var start = 0;

	    for (; start < arr.length; start++) {
	      if (arr[start] !== '') break;
	    }

	    var end = arr.length - 1;

	    for (; end >= 0; end--) {
	      if (arr[end] !== '') break;
	    }

	    if (start > end) return [];
	    return arr.slice(start, end - start + 1);
	  }

	  var fromParts = trim(from.split('/'));
	  var toParts = trim(to.split('/'));
	  var length = Math.min(fromParts.length, toParts.length);
	  var samePartsLength = length;

	  for (var i = 0; i < length; i++) {
	    if (fromParts[i] !== toParts[i]) {
	      samePartsLength = i;
	      break;
	    }
	  }

	  var outputParts = [];

	  for (var i = samePartsLength; i < fromParts.length; i++) {
	    outputParts.push('..');
	  }

	  outputParts = outputParts.concat(toParts.slice(samePartsLength));
	  return outputParts.join('/');
	}
	var sep = '/';
	var delimiter = ':';
	function dirname(path) {
	  var result = splitPath(path),
	      root = result[0],
	      dir = result[1];

	  if (!root && !dir) {
	    // No dirname whatsoever
	    return '.';
	  }

	  if (dir) {
	    // It has a dirname, strip trailing slash
	    dir = dir.substr(0, dir.length - 1);
	  }

	  return root + dir;
	}
	function basename(path, ext) {
	  var f = splitPath(path)[2]; // TODO: make this comparison case-insensitive on windows?

	  if (ext && f.substr(-1 * ext.length) === ext) {
	    f = f.substr(0, f.length - ext.length);
	  }

	  return f;
	}
	function extname(path) {
	  return splitPath(path)[3];
	}
	var path$1 = {
	  extname: extname,
	  basename: basename,
	  dirname: dirname,
	  sep: sep,
	  delimiter: delimiter,
	  relative: relative,
	  join: join,
	  isAbsolute: isAbsolute,
	  normalize: normalize$1,
	  resolve: resolve
	};

	function filter(xs, f) {
	  if (xs.filter) return xs.filter(f);
	  var res = [];

	  for (var i = 0; i < xs.length; i++) {
	    if (f(xs[i], i, xs)) res.push(xs[i]);
	  }

	  return res;
	} // String.prototype.substr - negative index don't work in IE8


	var substr = 'ab'.substr(-1) === 'b' ? function (str, start, len) {
	  return str.substr(start, len);
	} : function (str, start, len) {
	  if (start < 0) start = str.length + start;
	  return str.substr(start, len);
	};

	// call something on iterator step with safe closing on error
	var callWithSafeIterationClosing = function (iterator, fn, value, ENTRIES) {
	  try {
	    return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
	  // 7.4.6 IteratorClose(iterator, completion)
	  } catch (error) {
	    iteratorClose(iterator);
	    throw error;
	  }
	};

	// `Array.from` method implementation
	// https://tc39.es/ecma262/#sec-array.from
	var arrayFrom = function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
	  var O = toObject(arrayLike);
	  var C = typeof this == 'function' ? this : Array;
	  var argumentsLength = arguments.length;
	  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
	  var mapping = mapfn !== undefined;
	  var iteratorMethod = getIteratorMethod(O);
	  var index = 0;
	  var length, result, step, iterator, next, value;
	  if (mapping) mapfn = functionBindContext(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);
	  // if the target is not iterable or it's an array with the default iterator - use a simple case
	  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
	    iterator = iteratorMethod.call(O);
	    next = iterator.next;
	    result = new C();
	    for (;!(step = next.call(iterator)).done; index++) {
	      value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true) : step.value;
	      createProperty(result, index, value);
	    }
	  } else {
	    length = toLength(O.length);
	    result = new C(length);
	    for (;length > index; index++) {
	      value = mapping ? mapfn(O[index], index) : O[index];
	      createProperty(result, index, value);
	    }
	  }
	  result.length = index;
	  return result;
	};

	var INCORRECT_ITERATION$1 = !checkCorrectnessOfIteration(function (iterable) {
	  Array.from(iterable);
	});

	// `Array.from` method
	// https://tc39.es/ecma262/#sec-array.from
	_export({ target: 'Array', stat: true, forced: INCORRECT_ITERATION$1 }, {
	  from: arrayFrom
	});

	var diff = createCommonjsModule(function (module, exports) {
	  (function (global, factory) {
	     factory(exports) ;
	  })(commonjsGlobal, function (exports) {

	    function Diff() {}

	    Diff.prototype = {
	      diff: function diff(oldString, newString) {
	        var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
	        var callback = options.callback;

	        if (typeof options === 'function') {
	          callback = options;
	          options = {};
	        }

	        this.options = options;
	        var self = this;

	        function done(value) {
	          if (callback) {
	            setTimeout(function () {
	              callback(undefined, value);
	            }, 0);
	            return true;
	          } else {
	            return value;
	          }
	        } // Allow subclasses to massage the input prior to running


	        oldString = this.castInput(oldString);
	        newString = this.castInput(newString);
	        oldString = this.removeEmpty(this.tokenize(oldString));
	        newString = this.removeEmpty(this.tokenize(newString));
	        var newLen = newString.length,
	            oldLen = oldString.length;
	        var editLength = 1;
	        var maxEditLength = newLen + oldLen;
	        var bestPath = [{
	          newPos: -1,
	          components: []
	        }]; // Seed editLength = 0, i.e. the content starts with the same values

	        var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);

	        if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
	          // Identity per the equality and tokenizer
	          return done([{
	            value: this.join(newString),
	            count: newString.length
	          }]);
	        } // Main worker method. checks all permutations of a given edit length for acceptance.


	        function execEditLength() {
	          for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
	            var basePath = void 0;

	            var addPath = bestPath[diagonalPath - 1],
	                removePath = bestPath[diagonalPath + 1],
	                _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;

	            if (addPath) {
	              // No one else is going to attempt to use this value, clear it
	              bestPath[diagonalPath - 1] = undefined;
	            }

	            var canAdd = addPath && addPath.newPos + 1 < newLen,
	                canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen;

	            if (!canAdd && !canRemove) {
	              // If this path is a terminal then prune
	              bestPath[diagonalPath] = undefined;
	              continue;
	            } // Select the diagonal that we want to branch from. We select the prior
	            // path whose position in the new string is the farthest from the origin
	            // and does not pass the bounds of the diff graph


	            if (!canAdd || canRemove && addPath.newPos < removePath.newPos) {
	              basePath = clonePath(removePath);
	              self.pushComponent(basePath.components, undefined, true);
	            } else {
	              basePath = addPath; // No need to clone, we've pulled it from the list

	              basePath.newPos++;
	              self.pushComponent(basePath.components, true, undefined);
	            }

	            _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath); // If we have hit the end of both strings, then we are done

	            if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) {
	              return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken));
	            } else {
	              // Otherwise track this path as a potential candidate and continue.
	              bestPath[diagonalPath] = basePath;
	            }
	          }

	          editLength++;
	        } // Performs the length of edit iteration. Is a bit fugly as this has to support the
	        // sync and async mode which is never fun. Loops over execEditLength until a value
	        // is produced.


	        if (callback) {
	          (function exec() {
	            setTimeout(function () {
	              // This should not happen, but we want to be safe.

	              /* istanbul ignore next */
	              if (editLength > maxEditLength) {
	                return callback();
	              }

	              if (!execEditLength()) {
	                exec();
	              }
	            }, 0);
	          })();
	        } else {
	          while (editLength <= maxEditLength) {
	            var ret = execEditLength();

	            if (ret) {
	              return ret;
	            }
	          }
	        }
	      },
	      pushComponent: function pushComponent(components, added, removed) {
	        var last = components[components.length - 1];

	        if (last && last.added === added && last.removed === removed) {
	          // We need to clone here as the component clone operation is just
	          // as shallow array clone
	          components[components.length - 1] = {
	            count: last.count + 1,
	            added: added,
	            removed: removed
	          };
	        } else {
	          components.push({
	            count: 1,
	            added: added,
	            removed: removed
	          });
	        }
	      },
	      extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) {
	        var newLen = newString.length,
	            oldLen = oldString.length,
	            newPos = basePath.newPos,
	            oldPos = newPos - diagonalPath,
	            commonCount = 0;

	        while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {
	          newPos++;
	          oldPos++;
	          commonCount++;
	        }

	        if (commonCount) {
	          basePath.components.push({
	            count: commonCount
	          });
	        }

	        basePath.newPos = newPos;
	        return oldPos;
	      },
	      equals: function equals(left, right) {
	        if (this.options.comparator) {
	          return this.options.comparator(left, right);
	        } else {
	          return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase();
	        }
	      },
	      removeEmpty: function removeEmpty(array) {
	        var ret = [];

	        for (var i = 0; i < array.length; i++) {
	          if (array[i]) {
	            ret.push(array[i]);
	          }
	        }

	        return ret;
	      },
	      castInput: function castInput(value) {
	        return value;
	      },
	      tokenize: function tokenize(value) {
	        return value.split('');
	      },
	      join: function join(chars) {
	        return chars.join('');
	      }
	    };

	    function buildValues(diff, components, newString, oldString, useLongestToken) {
	      var componentPos = 0,
	          componentLen = components.length,
	          newPos = 0,
	          oldPos = 0;

	      for (; componentPos < componentLen; componentPos++) {
	        var component = components[componentPos];

	        if (!component.removed) {
	          if (!component.added && useLongestToken) {
	            var value = newString.slice(newPos, newPos + component.count);
	            value = value.map(function (value, i) {
	              var oldValue = oldString[oldPos + i];
	              return oldValue.length > value.length ? oldValue : value;
	            });
	            component.value = diff.join(value);
	          } else {
	            component.value = diff.join(newString.slice(newPos, newPos + component.count));
	          }

	          newPos += component.count; // Common case

	          if (!component.added) {
	            oldPos += component.count;
	          }
	        } else {
	          component.value = diff.join(oldString.slice(oldPos, oldPos + component.count));
	          oldPos += component.count; // Reverse add and remove so removes are output first to match common convention
	          // The diffing algorithm is tied to add then remove output and this is the simplest
	          // route to get the desired output with minimal overhead.

	          if (componentPos && components[componentPos - 1].added) {
	            var tmp = components[componentPos - 1];
	            components[componentPos - 1] = components[componentPos];
	            components[componentPos] = tmp;
	          }
	        }
	      } // Special case handle for when one terminal is ignored (i.e. whitespace).
	      // For this case we merge the terminal into the prior string and drop the change.
	      // This is only available for string mode.


	      var lastComponent = components[componentLen - 1];

	      if (componentLen > 1 && typeof lastComponent.value === 'string' && (lastComponent.added || lastComponent.removed) && diff.equals('', lastComponent.value)) {
	        components[componentLen - 2].value += lastComponent.value;
	        components.pop();
	      }

	      return components;
	    }

	    function clonePath(path) {
	      return {
	        newPos: path.newPos,
	        components: path.components.slice(0)
	      };
	    }

	    var characterDiff = new Diff();

	    function diffChars(oldStr, newStr, options) {
	      return characterDiff.diff(oldStr, newStr, options);
	    }

	    function generateOptions(options, defaults) {
	      if (typeof options === 'function') {
	        defaults.callback = options;
	      } else if (options) {
	        for (var name in options) {
	          /* istanbul ignore else */
	          if (options.hasOwnProperty(name)) {
	            defaults[name] = options[name];
	          }
	        }
	      }

	      return defaults;
	    } //
	    // Ranges and exceptions:
	    // Latin-1 Supplement, 0080–00FF
	    //  - U+00D7  × Multiplication sign
	    //  - U+00F7  ÷ Division sign
	    // Latin Extended-A, 0100–017F
	    // Latin Extended-B, 0180–024F
	    // IPA Extensions, 0250–02AF
	    // Spacing Modifier Letters, 02B0–02FF
	    //  - U+02C7  ˇ &#711;  Caron
	    //  - U+02D8  ˘ &#728;  Breve
	    //  - U+02D9  ˙ &#729;  Dot Above
	    //  - U+02DA  ˚ &#730;  Ring Above
	    //  - U+02DB  ˛ &#731;  Ogonek
	    //  - U+02DC  ˜ &#732;  Small Tilde
	    //  - U+02DD  ˝ &#733;  Double Acute Accent
	    // Latin Extended Additional, 1E00–1EFF


	    var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;
	    var reWhitespace = /\S/;
	    var wordDiff = new Diff();

	    wordDiff.equals = function (left, right) {
	      if (this.options.ignoreCase) {
	        left = left.toLowerCase();
	        right = right.toLowerCase();
	      }

	      return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
	    };

	    wordDiff.tokenize = function (value) {
	      // All whitespace symbols except newline group into one token, each newline - in separate token
	      var tokens = value.split(/([^\S\r\n]+|[()[\]{}'"\r\n]|\b)/); // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.

	      for (var i = 0; i < tokens.length - 1; i++) {
	        // If we have an empty string in the next field and we have only word chars before and after, merge
	        if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
	          tokens[i] += tokens[i + 2];
	          tokens.splice(i + 1, 2);
	          i--;
	        }
	      }

	      return tokens;
	    };

	    function diffWords(oldStr, newStr, options) {
	      options = generateOptions(options, {
	        ignoreWhitespace: true
	      });
	      return wordDiff.diff(oldStr, newStr, options);
	    }

	    function diffWordsWithSpace(oldStr, newStr, options) {
	      return wordDiff.diff(oldStr, newStr, options);
	    }

	    var lineDiff = new Diff();

	    lineDiff.tokenize = function (value) {
	      var retLines = [],
	          linesAndNewlines = value.split(/(\n|\r\n)/); // Ignore the final empty token that occurs if the string ends with a new line

	      if (!linesAndNewlines[linesAndNewlines.length - 1]) {
	        linesAndNewlines.pop();
	      } // Merge the content and line separators into single tokens


	      for (var i = 0; i < linesAndNewlines.length; i++) {
	        var line = linesAndNewlines[i];

	        if (i % 2 && !this.options.newlineIsToken) {
	          retLines[retLines.length - 1] += line;
	        } else {
	          if (this.options.ignoreWhitespace) {
	            line = line.trim();
	          }

	          retLines.push(line);
	        }
	      }

	      return retLines;
	    };

	    function diffLines(oldStr, newStr, callback) {
	      return lineDiff.diff(oldStr, newStr, callback);
	    }

	    function diffTrimmedLines(oldStr, newStr, callback) {
	      var options = generateOptions(callback, {
	        ignoreWhitespace: true
	      });
	      return lineDiff.diff(oldStr, newStr, options);
	    }

	    var sentenceDiff = new Diff();

	    sentenceDiff.tokenize = function (value) {
	      return value.split(/(\S.+?[.!?])(?=\s+|$)/);
	    };

	    function diffSentences(oldStr, newStr, callback) {
	      return sentenceDiff.diff(oldStr, newStr, callback);
	    }

	    var cssDiff = new Diff();

	    cssDiff.tokenize = function (value) {
	      return value.split(/([{}:;,]|\s+)/);
	    };

	    function diffCss(oldStr, newStr, callback) {
	      return cssDiff.diff(oldStr, newStr, callback);
	    }

	    function _typeof(obj) {
	      "@babel/helpers - typeof";

	      if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
	        _typeof = function _typeof(obj) {
	          return typeof obj;
	        };
	      } else {
	        _typeof = function _typeof(obj) {
	          return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
	        };
	      }

	      return _typeof(obj);
	    }

	    function _toConsumableArray(arr) {
	      return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
	    }

	    function _arrayWithoutHoles(arr) {
	      if (Array.isArray(arr)) return _arrayLikeToArray(arr);
	    }

	    function _iterableToArray(iter) {
	      if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
	    }

	    function _unsupportedIterableToArray(o, minLen) {
	      if (!o) return;
	      if (typeof o === "string") return _arrayLikeToArray(o, minLen);
	      var n = Object.prototype.toString.call(o).slice(8, -1);
	      if (n === "Object" && o.constructor) n = o.constructor.name;
	      if (n === "Map" || n === "Set") return Array.from(o);
	      if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
	    }

	    function _arrayLikeToArray(arr, len) {
	      if (len == null || len > arr.length) len = arr.length;

	      for (var i = 0, arr2 = new Array(len); i < len; i++) {
	        arr2[i] = arr[i];
	      }

	      return arr2;
	    }

	    function _nonIterableSpread() {
	      throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
	    }

	    var objectPrototypeToString = Object.prototype.toString;
	    var jsonDiff = new Diff(); // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
	    // dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:

	    jsonDiff.useLongestToken = true;
	    jsonDiff.tokenize = lineDiff.tokenize;

	    jsonDiff.castInput = function (value) {
	      var _this$options = this.options,
	          undefinedReplacement = _this$options.undefinedReplacement,
	          _this$options$stringi = _this$options.stringifyReplacer,
	          stringifyReplacer = _this$options$stringi === void 0 ? function (k, v) {
	        return typeof v === 'undefined' ? undefinedReplacement : v;
	      } : _this$options$stringi;
	      return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, '  ');
	    };

	    jsonDiff.equals = function (left, right) {
	      return Diff.prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'));
	    };

	    function diffJson(oldObj, newObj, options) {
	      return jsonDiff.diff(oldObj, newObj, options);
	    } // This function handles the presence of circular references by bailing out when encountering an
	    // object that is already on the "stack" of items being processed. Accepts an optional replacer


	    function canonicalize(obj, stack, replacementStack, replacer, key) {
	      stack = stack || [];
	      replacementStack = replacementStack || [];

	      if (replacer) {
	        obj = replacer(key, obj);
	      }

	      var i;

	      for (i = 0; i < stack.length; i += 1) {
	        if (stack[i] === obj) {
	          return replacementStack[i];
	        }
	      }

	      var canonicalizedObj;

	      if ('[object Array]' === objectPrototypeToString.call(obj)) {
	        stack.push(obj);
	        canonicalizedObj = new Array(obj.length);
	        replacementStack.push(canonicalizedObj);

	        for (i = 0; i < obj.length; i += 1) {
	          canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);
	        }

	        stack.pop();
	        replacementStack.pop();
	        return canonicalizedObj;
	      }

	      if (obj && obj.toJSON) {
	        obj = obj.toJSON();
	      }

	      if (_typeof(obj) === 'object' && obj !== null) {
	        stack.push(obj);
	        canonicalizedObj = {};
	        replacementStack.push(canonicalizedObj);

	        var sortedKeys = [],
	            _key;

	        for (_key in obj) {
	          /* istanbul ignore else */
	          if (obj.hasOwnProperty(_key)) {
	            sortedKeys.push(_key);
	          }
	        }

	        sortedKeys.sort();

	        for (i = 0; i < sortedKeys.length; i += 1) {
	          _key = sortedKeys[i];
	          canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key);
	        }

	        stack.pop();
	        replacementStack.pop();
	      } else {
	        canonicalizedObj = obj;
	      }

	      return canonicalizedObj;
	    }

	    var arrayDiff = new Diff();

	    arrayDiff.tokenize = function (value) {
	      return value.slice();
	    };

	    arrayDiff.join = arrayDiff.removeEmpty = function (value) {
	      return value;
	    };

	    function diffArrays(oldArr, newArr, callback) {
	      return arrayDiff.diff(oldArr, newArr, callback);
	    }

	    function parsePatch(uniDiff) {
	      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
	      var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/),
	          delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [],
	          list = [],
	          i = 0;

	      function parseIndex() {
	        var index = {};
	        list.push(index); // Parse diff metadata

	        while (i < diffstr.length) {
	          var line = diffstr[i]; // File header found, end parsing diff metadata

	          if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) {
	            break;
	          } // Diff index


	          var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line);

	          if (header) {
	            index.index = header[1];
	          }

	          i++;
	        } // Parse file headers if they are defined. Unified diff requires them, but
	        // there's no technical issues to have an isolated hunk without file header


	        parseFileHeader(index);
	        parseFileHeader(index); // Parse hunks

	        index.hunks = [];

	        while (i < diffstr.length) {
	          var _line = diffstr[i];

	          if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) {
	            break;
	          } else if (/^@@/.test(_line)) {
	            index.hunks.push(parseHunk());
	          } else if (_line && options.strict) {
	            // Ignore unexpected content unless in strict mode
	            throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line));
	          } else {
	            i++;
	          }
	        }
	      } // Parses the --- and +++ headers, if none are found, no lines
	      // are consumed.


	      function parseFileHeader(index) {
	        var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]);

	        if (fileHeader) {
	          var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';
	          var data = fileHeader[2].split('\t', 2);
	          var fileName = data[0].replace(/\\\\/g, '\\');

	          if (/^".*"$/.test(fileName)) {
	            fileName = fileName.substr(1, fileName.length - 2);
	          }

	          index[keyPrefix + 'FileName'] = fileName;
	          index[keyPrefix + 'Header'] = (data[1] || '').trim();
	          i++;
	        }
	      } // Parses a hunk
	      // This assumes that we are at the start of a hunk.


	      function parseHunk() {
	        var chunkHeaderIndex = i,
	            chunkHeaderLine = diffstr[i++],
	            chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/);
	        var hunk = {
	          oldStart: +chunkHeader[1],
	          oldLines: typeof chunkHeader[2] === 'undefined' ? 1 : +chunkHeader[2],
	          newStart: +chunkHeader[3],
	          newLines: typeof chunkHeader[4] === 'undefined' ? 1 : +chunkHeader[4],
	          lines: [],
	          linedelimiters: []
	        }; // Unified Diff Format quirk: If the chunk size is 0,
	        // the first number is one lower than one would expect.
	        // https://www.artima.com/weblogs/viewpost.jsp?thread=164293

	        if (hunk.oldLines === 0) {
	          hunk.oldStart += 1;
	        }

	        if (hunk.newLines === 0) {
	          hunk.newStart += 1;
	        }

	        var addCount = 0,
	            removeCount = 0;

	        for (; i < diffstr.length; i++) {
	          // Lines starting with '---' could be mistaken for the "remove line" operation
	          // But they could be the header for the next file. Therefore prune such cases out.
	          if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) {
	            break;
	          }

	          var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0];

	          if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') {
	            hunk.lines.push(diffstr[i]);
	            hunk.linedelimiters.push(delimiters[i] || '\n');

	            if (operation === '+') {
	              addCount++;
	            } else if (operation === '-') {
	              removeCount++;
	            } else if (operation === ' ') {
	              addCount++;
	              removeCount++;
	            }
	          } else {
	            break;
	          }
	        } // Handle the empty block count case


	        if (!addCount && hunk.newLines === 1) {
	          hunk.newLines = 0;
	        }

	        if (!removeCount && hunk.oldLines === 1) {
	          hunk.oldLines = 0;
	        } // Perform optional sanity checking


	        if (options.strict) {
	          if (addCount !== hunk.newLines) {
	            throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
	          }

	          if (removeCount !== hunk.oldLines) {
	            throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
	          }
	        }

	        return hunk;
	      }

	      while (i < diffstr.length) {
	        parseIndex();
	      }

	      return list;
	    } // Iterator that traverses in the range of [min, max], stepping
	    // by distance from a given start position. I.e. for [0, 4], with
	    // start of 2, this will iterate 2, 3, 1, 4, 0.


	    function distanceIterator(start, minLine, maxLine) {
	      var wantForward = true,
	          backwardExhausted = false,
	          forwardExhausted = false,
	          localOffset = 1;
	      return function iterator() {
	        if (wantForward && !forwardExhausted) {
	          if (backwardExhausted) {
	            localOffset++;
	          } else {
	            wantForward = false;
	          } // Check if trying to fit beyond text length, and if not, check it fits
	          // after offset location (or desired location on first iteration)


	          if (start + localOffset <= maxLine) {
	            return localOffset;
	          }

	          forwardExhausted = true;
	        }

	        if (!backwardExhausted) {
	          if (!forwardExhausted) {
	            wantForward = true;
	          } // Check if trying to fit before text beginning, and if not, check it fits
	          // before offset location


	          if (minLine <= start - localOffset) {
	            return -localOffset++;
	          }

	          backwardExhausted = true;
	          return iterator();
	        } // We tried to fit hunk before text beginning and beyond text length, then
	        // hunk can't fit on the text. Return undefined

	      };
	    }

	    function applyPatch(source, uniDiff) {
	      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

	      if (typeof uniDiff === 'string') {
	        uniDiff = parsePatch(uniDiff);
	      }

	      if (Array.isArray(uniDiff)) {
	        if (uniDiff.length > 1) {
	          throw new Error('applyPatch only works with a single input.');
	        }

	        uniDiff = uniDiff[0];
	      } // Apply the diff to the input


	      var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
	          delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
	          hunks = uniDiff.hunks,
	          compareLine = options.compareLine || function (lineNumber, line, operation, patchContent) {
	        return line === patchContent;
	      },
	          errorCount = 0,
	          fuzzFactor = options.fuzzFactor || 0,
	          minLine = 0,
	          offset = 0,
	          removeEOFNL,
	          addEOFNL;
	      /**
	       * Checks if the hunk exactly fits on the provided location
	       */


	      function hunkFits(hunk, toPos) {
	        for (var j = 0; j < hunk.lines.length; j++) {
	          var line = hunk.lines[j],
	              operation = line.length > 0 ? line[0] : ' ',
	              content = line.length > 0 ? line.substr(1) : line;

	          if (operation === ' ' || operation === '-') {
	            // Context sanity check
	            if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
	              errorCount++;

	              if (errorCount > fuzzFactor) {
	                return false;
	              }
	            }

	            toPos++;
	          }
	        }

	        return true;
	      } // Search best fit offsets for each hunk based on the previous ones


	      for (var i = 0; i < hunks.length; i++) {
	        var hunk = hunks[i],
	            maxLine = lines.length - hunk.oldLines,
	            localOffset = 0,
	            toPos = offset + hunk.oldStart - 1;
	        var iterator = distanceIterator(toPos, minLine, maxLine);

	        for (; localOffset !== undefined; localOffset = iterator()) {
	          if (hunkFits(hunk, toPos + localOffset)) {
	            hunk.offset = offset += localOffset;
	            break;
	          }
	        }

	        if (localOffset === undefined) {
	          return false;
	        } // Set lower text limit to end of the current hunk, so next ones don't try
	        // to fit over already patched text


	        minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
	      } // Apply patch hunks


	      var diffOffset = 0;

	      for (var _i = 0; _i < hunks.length; _i++) {
	        var _hunk = hunks[_i],
	            _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1;

	        diffOffset += _hunk.newLines - _hunk.oldLines;

	        for (var j = 0; j < _hunk.lines.length; j++) {
	          var line = _hunk.lines[j],
	              operation = line.length > 0 ? line[0] : ' ',
	              content = line.length > 0 ? line.substr(1) : line,
	              delimiter = _hunk.linedelimiters[j];

	          if (operation === ' ') {
	            _toPos++;
	          } else if (operation === '-') {
	            lines.splice(_toPos, 1);
	            delimiters.splice(_toPos, 1);
	            /* istanbul ignore else */
	          } else if (operation === '+') {
	            lines.splice(_toPos, 0, content);
	            delimiters.splice(_toPos, 0, delimiter);
	            _toPos++;
	          } else if (operation === '\\') {
	            var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;

	            if (previousOperation === '+') {
	              removeEOFNL = true;
	            } else if (previousOperation === '-') {
	              addEOFNL = true;
	            }
	          }
	        }
	      } // Handle EOFNL insertion/removal


	      if (removeEOFNL) {
	        while (!lines[lines.length - 1]) {
	          lines.pop();
	          delimiters.pop();
	        }
	      } else if (addEOFNL) {
	        lines.push('');
	        delimiters.push('\n');
	      }

	      for (var _k = 0; _k < lines.length - 1; _k++) {
	        lines[_k] = lines[_k] + delimiters[_k];
	      }

	      return lines.join('');
	    } // Wrapper that supports multiple file patches via callbacks.


	    function applyPatches(uniDiff, options) {
	      if (typeof uniDiff === 'string') {
	        uniDiff = parsePatch(uniDiff);
	      }

	      var currentIndex = 0;

	      function processIndex() {
	        var index = uniDiff[currentIndex++];

	        if (!index) {
	          return options.complete();
	        }

	        options.loadFile(index, function (err, data) {
	          if (err) {
	            return options.complete(err);
	          }

	          var updatedContent = applyPatch(data, index, options);
	          options.patched(index, updatedContent, function (err) {
	            if (err) {
	              return options.complete(err);
	            }

	            processIndex();
	          });
	        });
	      }

	      processIndex();
	    }

	    function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
	      if (!options) {
	        options = {};
	      }

	      if (typeof options.context === 'undefined') {
	        options.context = 4;
	      }

	      var diff = diffLines(oldStr, newStr, options);
	      diff.push({
	        value: '',
	        lines: []
	      }); // Append an empty value to make cleanup easier

	      function contextLines(lines) {
	        return lines.map(function (entry) {
	          return ' ' + entry;
	        });
	      }

	      var hunks = [];
	      var oldRangeStart = 0,
	          newRangeStart = 0,
	          curRange = [],
	          oldLine = 1,
	          newLine = 1;

	      var _loop = function _loop(i) {
	        var current = diff[i],
	            lines = current.lines || current.value.replace(/\n$/, '').split('\n');
	        current.lines = lines;

	        if (current.added || current.removed) {
	          var _curRange; // If we have previous context, start with that


	          if (!oldRangeStart) {
	            var prev = diff[i - 1];
	            oldRangeStart = oldLine;
	            newRangeStart = newLine;

	            if (prev) {
	              curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
	              oldRangeStart -= curRange.length;
	              newRangeStart -= curRange.length;
	            }
	          } // Output our changes


	          (_curRange = curRange).push.apply(_curRange, _toConsumableArray(lines.map(function (entry) {
	            return (current.added ? '+' : '-') + entry;
	          }))); // Track the updated file position


	          if (current.added) {
	            newLine += lines.length;
	          } else {
	            oldLine += lines.length;
	          }
	        } else {
	          // Identical context lines. Track line changes
	          if (oldRangeStart) {
	            // Close out any changes that have been output (or join overlapping)
	            if (lines.length <= options.context * 2 && i < diff.length - 2) {
	              var _curRange2; // Overlapping


	              (_curRange2 = curRange).push.apply(_curRange2, _toConsumableArray(contextLines(lines)));
	            } else {
	              var _curRange3; // end the range and output


	              var contextSize = Math.min(lines.length, options.context);

	              (_curRange3 = curRange).push.apply(_curRange3, _toConsumableArray(contextLines(lines.slice(0, contextSize))));

	              var hunk = {
	                oldStart: oldRangeStart,
	                oldLines: oldLine - oldRangeStart + contextSize,
	                newStart: newRangeStart,
	                newLines: newLine - newRangeStart + contextSize,
	                lines: curRange
	              };

	              if (i >= diff.length - 2 && lines.length <= options.context) {
	                // EOF is inside this hunk
	                var oldEOFNewline = /\n$/.test(oldStr);
	                var newEOFNewline = /\n$/.test(newStr);
	                var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;

	                if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {
	                  // special case: old has no eol and no trailing context; no-nl can end up before adds
	                  // however, if the old file is empty, do not output the no-nl line
	                  curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
	                }

	                if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) {
	                  curRange.push('\\ No newline at end of file');
	                }
	              }

	              hunks.push(hunk);
	              oldRangeStart = 0;
	              newRangeStart = 0;
	              curRange = [];
	            }
	          }

	          oldLine += lines.length;
	          newLine += lines.length;
	        }
	      };

	      for (var i = 0; i < diff.length; i++) {
	        _loop(i);
	      }

	      return {
	        oldFileName: oldFileName,
	        newFileName: newFileName,
	        oldHeader: oldHeader,
	        newHeader: newHeader,
	        hunks: hunks
	      };
	    }

	    function formatPatch(diff) {
	      var ret = [];

	      if (diff.oldFileName == diff.newFileName) {
	        ret.push('Index: ' + diff.oldFileName);
	      }

	      ret.push('===================================================================');
	      ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
	      ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));

	      for (var i = 0; i < diff.hunks.length; i++) {
	        var hunk = diff.hunks[i]; // Unified Diff Format quirk: If the chunk size is 0,
	        // the first number is one lower than one would expect.
	        // https://www.artima.com/weblogs/viewpost.jsp?thread=164293

	        if (hunk.oldLines === 0) {
	          hunk.oldStart -= 1;
	        }

	        if (hunk.newLines === 0) {
	          hunk.newStart -= 1;
	        }

	        ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
	        ret.push.apply(ret, hunk.lines);
	      }

	      return ret.join('\n') + '\n';
	    }

	    function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
	      return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));
	    }

	    function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
	      return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
	    }

	    function arrayEqual(a, b) {
	      if (a.length !== b.length) {
	        return false;
	      }

	      return arrayStartsWith(a, b);
	    }

	    function arrayStartsWith(array, start) {
	      if (start.length > array.length) {
	        return false;
	      }

	      for (var i = 0; i < start.length; i++) {
	        if (start[i] !== array[i]) {
	          return false;
	        }
	      }

	      return true;
	    }

	    function calcLineCount(hunk) {
	      var _calcOldNewLineCount = calcOldNewLineCount(hunk.lines),
	          oldLines = _calcOldNewLineCount.oldLines,
	          newLines = _calcOldNewLineCount.newLines;

	      if (oldLines !== undefined) {
	        hunk.oldLines = oldLines;
	      } else {
	        delete hunk.oldLines;
	      }

	      if (newLines !== undefined) {
	        hunk.newLines = newLines;
	      } else {
	        delete hunk.newLines;
	      }
	    }

	    function merge(mine, theirs, base) {
	      mine = loadPatch(mine, base);
	      theirs = loadPatch(theirs, base);
	      var ret = {}; // For index we just let it pass through as it doesn't have any necessary meaning.
	      // Leaving sanity checks on this to the API consumer that may know more about the
	      // meaning in their own context.

	      if (mine.index || theirs.index) {
	        ret.index = mine.index || theirs.index;
	      }

	      if (mine.newFileName || theirs.newFileName) {
	        if (!fileNameChanged(mine)) {
	          // No header or no change in ours, use theirs (and ours if theirs does not exist)
	          ret.oldFileName = theirs.oldFileName || mine.oldFileName;
	          ret.newFileName = theirs.newFileName || mine.newFileName;
	          ret.oldHeader = theirs.oldHeader || mine.oldHeader;
	          ret.newHeader = theirs.newHeader || mine.newHeader;
	        } else if (!fileNameChanged(theirs)) {
	          // No header or no change in theirs, use ours
	          ret.oldFileName = mine.oldFileName;
	          ret.newFileName = mine.newFileName;
	          ret.oldHeader = mine.oldHeader;
	          ret.newHeader = mine.newHeader;
	        } else {
	          // Both changed... figure it out
	          ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName);
	          ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName);
	          ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader);
	          ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader);
	        }
	      }

	      ret.hunks = [];
	      var mineIndex = 0,
	          theirsIndex = 0,
	          mineOffset = 0,
	          theirsOffset = 0;

	      while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) {
	        var mineCurrent = mine.hunks[mineIndex] || {
	          oldStart: Infinity
	        },
	            theirsCurrent = theirs.hunks[theirsIndex] || {
	          oldStart: Infinity
	        };

	        if (hunkBefore(mineCurrent, theirsCurrent)) {
	          // This patch does not overlap with any of the others, yay.
	          ret.hunks.push(cloneHunk(mineCurrent, mineOffset));
	          mineIndex++;
	          theirsOffset += mineCurrent.newLines - mineCurrent.oldLines;
	        } else if (hunkBefore(theirsCurrent, mineCurrent)) {
	          // This patch does not overlap with any of the others, yay.
	          ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset));
	          theirsIndex++;
	          mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines;
	        } else {
	          // Overlap, merge as best we can
	          var mergedHunk = {
	            oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart),
	            oldLines: 0,
	            newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset),
	            newLines: 0,
	            lines: []
	          };
	          mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines);
	          theirsIndex++;
	          mineIndex++;
	          ret.hunks.push(mergedHunk);
	        }
	      }

	      return ret;
	    }

	    function loadPatch(param, base) {
	      if (typeof param === 'string') {
	        if (/^@@/m.test(param) || /^Index:/m.test(param)) {
	          return parsePatch(param)[0];
	        }

	        if (!base) {
	          throw new Error('Must provide a base reference or pass in a patch');
	        }

	        return structuredPatch(undefined, undefined, base, param);
	      }

	      return param;
	    }

	    function fileNameChanged(patch) {
	      return patch.newFileName && patch.newFileName !== patch.oldFileName;
	    }

	    function selectField(index, mine, theirs) {
	      if (mine === theirs) {
	        return mine;
	      } else {
	        index.conflict = true;
	        return {
	          mine: mine,
	          theirs: theirs
	        };
	      }
	    }

	    function hunkBefore(test, check) {
	      return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart;
	    }

	    function cloneHunk(hunk, offset) {
	      return {
	        oldStart: hunk.oldStart,
	        oldLines: hunk.oldLines,
	        newStart: hunk.newStart + offset,
	        newLines: hunk.newLines,
	        lines: hunk.lines
	      };
	    }

	    function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) {
	      // This will generally result in a conflicted hunk, but there are cases where the context
	      // is the only overlap where we can successfully merge the content here.
	      var mine = {
	        offset: mineOffset,
	        lines: mineLines,
	        index: 0
	      },
	          their = {
	        offset: theirOffset,
	        lines: theirLines,
	        index: 0
	      }; // Handle any leading content

	      insertLeading(hunk, mine, their);
	      insertLeading(hunk, their, mine); // Now in the overlap content. Scan through and select the best changes from each.

	      while (mine.index < mine.lines.length && their.index < their.lines.length) {
	        var mineCurrent = mine.lines[mine.index],
	            theirCurrent = their.lines[their.index];

	        if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) {
	          // Both modified ...
	          mutualChange(hunk, mine, their);
	        } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') {
	          var _hunk$lines; // Mine inserted


	          (_hunk$lines = hunk.lines).push.apply(_hunk$lines, _toConsumableArray(collectChange(mine)));
	        } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') {
	          var _hunk$lines2; // Theirs inserted


	          (_hunk$lines2 = hunk.lines).push.apply(_hunk$lines2, _toConsumableArray(collectChange(their)));
	        } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') {
	          // Mine removed or edited
	          removal(hunk, mine, their);
	        } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') {
	          // Their removed or edited
	          removal(hunk, their, mine, true);
	        } else if (mineCurrent === theirCurrent) {
	          // Context identity
	          hunk.lines.push(mineCurrent);
	          mine.index++;
	          their.index++;
	        } else {
	          // Context mismatch
	          conflict(hunk, collectChange(mine), collectChange(their));
	        }
	      } // Now push anything that may be remaining


	      insertTrailing(hunk, mine);
	      insertTrailing(hunk, their);
	      calcLineCount(hunk);
	    }

	    function mutualChange(hunk, mine, their) {
	      var myChanges = collectChange(mine),
	          theirChanges = collectChange(their);

	      if (allRemoves(myChanges) && allRemoves(theirChanges)) {
	        // Special case for remove changes that are supersets of one another
	        if (arrayStartsWith(myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) {
	          var _hunk$lines3;

	          (_hunk$lines3 = hunk.lines).push.apply(_hunk$lines3, _toConsumableArray(myChanges));

	          return;
	        } else if (arrayStartsWith(theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) {
	          var _hunk$lines4;

	          (_hunk$lines4 = hunk.lines).push.apply(_hunk$lines4, _toConsumableArray(theirChanges));

	          return;
	        }
	      } else if (arrayEqual(myChanges, theirChanges)) {
	        var _hunk$lines5;

	        (_hunk$lines5 = hunk.lines).push.apply(_hunk$lines5, _toConsumableArray(myChanges));

	        return;
	      }

	      conflict(hunk, myChanges, theirChanges);
	    }

	    function removal(hunk, mine, their, swap) {
	      var myChanges = collectChange(mine),
	          theirChanges = collectContext(their, myChanges);

	      if (theirChanges.merged) {
	        var _hunk$lines6;

	        (_hunk$lines6 = hunk.lines).push.apply(_hunk$lines6, _toConsumableArray(theirChanges.merged));
	      } else {
	        conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges);
	      }
	    }

	    function conflict(hunk, mine, their) {
	      hunk.conflict = true;
	      hunk.lines.push({
	        conflict: true,
	        mine: mine,
	        theirs: their
	      });
	    }

	    function insertLeading(hunk, insert, their) {
	      while (insert.offset < their.offset && insert.index < insert.lines.length) {
	        var line = insert.lines[insert.index++];
	        hunk.lines.push(line);
	        insert.offset++;
	      }
	    }

	    function insertTrailing(hunk, insert) {
	      while (insert.index < insert.lines.length) {
	        var line = insert.lines[insert.index++];
	        hunk.lines.push(line);
	      }
	    }

	    function collectChange(state) {
	      var ret = [],
	          operation = state.lines[state.index][0];

	      while (state.index < state.lines.length) {
	        var line = state.lines[state.index]; // Group additions that are immediately after subtractions and treat them as one "atomic" modify change.

	        if (operation === '-' && line[0] === '+') {
	          operation = '+';
	        }

	        if (operation === line[0]) {
	          ret.push(line);
	          state.index++;
	        } else {
	          break;
	        }
	      }

	      return ret;
	    }

	    function collectContext(state, matchChanges) {
	      var changes = [],
	          merged = [],
	          matchIndex = 0,
	          contextChanges = false,
	          conflicted = false;

	      while (matchIndex < matchChanges.length && state.index < state.lines.length) {
	        var change = state.lines[state.index],
	            match = matchChanges[matchIndex]; // Once we've hit our add, then we are done

	        if (match[0] === '+') {
	          break;
	        }

	        contextChanges = contextChanges || change[0] !== ' ';
	        merged.push(match);
	        matchIndex++; // Consume any additions in the other block as a conflict to attempt
	        // to pull in the remaining context after this

	        if (change[0] === '+') {
	          conflicted = true;

	          while (change[0] === '+') {
	            changes.push(change);
	            change = state.lines[++state.index];
	          }
	        }

	        if (match.substr(1) === change.substr(1)) {
	          changes.push(change);
	          state.index++;
	        } else {
	          conflicted = true;
	        }
	      }

	      if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) {
	        conflicted = true;
	      }

	      if (conflicted) {
	        return changes;
	      }

	      while (matchIndex < matchChanges.length) {
	        merged.push(matchChanges[matchIndex++]);
	      }

	      return {
	        merged: merged,
	        changes: changes
	      };
	    }

	    function allRemoves(changes) {
	      return changes.reduce(function (prev, change) {
	        return prev && change[0] === '-';
	      }, true);
	    }

	    function skipRemoveSuperset(state, removeChanges, delta) {
	      for (var i = 0; i < delta; i++) {
	        var changeContent = removeChanges[removeChanges.length - delta + i].substr(1);

	        if (state.lines[state.index + i] !== ' ' + changeContent) {
	          return false;
	        }
	      }

	      state.index += delta;
	      return true;
	    }

	    function calcOldNewLineCount(lines) {
	      var oldLines = 0;
	      var newLines = 0;
	      lines.forEach(function (line) {
	        if (typeof line !== 'string') {
	          var myCount = calcOldNewLineCount(line.mine);
	          var theirCount = calcOldNewLineCount(line.theirs);

	          if (oldLines !== undefined) {
	            if (myCount.oldLines === theirCount.oldLines) {
	              oldLines += myCount.oldLines;
	            } else {
	              oldLines = undefined;
	            }
	          }

	          if (newLines !== undefined) {
	            if (myCount.newLines === theirCount.newLines) {
	              newLines += myCount.newLines;
	            } else {
	              newLines = undefined;
	            }
	          }
	        } else {
	          if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) {
	            newLines++;
	          }

	          if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) {
	            oldLines++;
	          }
	        }
	      });
	      return {
	        oldLines: oldLines,
	        newLines: newLines
	      };
	    } // See: http://code.google.com/p/google-diff-match-patch/wiki/API


	    function convertChangesToDMP(changes) {
	      var ret = [],
	          change,
	          operation;

	      for (var i = 0; i < changes.length; i++) {
	        change = changes[i];

	        if (change.added) {
	          operation = 1;
	        } else if (change.removed) {
	          operation = -1;
	        } else {
	          operation = 0;
	        }

	        ret.push([operation, change.value]);
	      }

	      return ret;
	    }

	    function convertChangesToXML(changes) {
	      var ret = [];

	      for (var i = 0; i < changes.length; i++) {
	        var change = changes[i];

	        if (change.added) {
	          ret.push('<ins>');
	        } else if (change.removed) {
	          ret.push('<del>');
	        }

	        ret.push(escapeHTML(change.value));

	        if (change.added) {
	          ret.push('</ins>');
	        } else if (change.removed) {
	          ret.push('</del>');
	        }
	      }

	      return ret.join('');
	    }

	    function escapeHTML(s) {
	      var n = s;
	      n = n.replace(/&/g, '&amp;');
	      n = n.replace(/</g, '&lt;');
	      n = n.replace(/>/g, '&gt;');
	      n = n.replace(/"/g, '&quot;');
	      return n;
	    }

	    exports.Diff = Diff;
	    exports.applyPatch = applyPatch;
	    exports.applyPatches = applyPatches;
	    exports.canonicalize = canonicalize;
	    exports.convertChangesToDMP = convertChangesToDMP;
	    exports.convertChangesToXML = convertChangesToXML;
	    exports.createPatch = createPatch;
	    exports.createTwoFilesPatch = createTwoFilesPatch;
	    exports.diffArrays = diffArrays;
	    exports.diffChars = diffChars;
	    exports.diffCss = diffCss;
	    exports.diffJson = diffJson;
	    exports.diffLines = diffLines;
	    exports.diffSentences = diffSentences;
	    exports.diffTrimmedLines = diffTrimmedLines;
	    exports.diffWords = diffWords;
	    exports.diffWordsWithSpace = diffWordsWithSpace;
	    exports.merge = merge;
	    exports.parsePatch = parsePatch;
	    exports.structuredPatch = structuredPatch;
	    Object.defineProperty(exports, '__esModule', {
	      value: true
	    });
	  });
	});

	/**
	 * Helpers.
	 */
	var s = 1000;
	var m = s * 60;
	var h = m * 60;
	var d = h * 24;
	var w = d * 7;
	var y = d * 365.25;
	/**
	 * Parse or format the given `val`.
	 *
	 * Options:
	 *
	 *  - `long` verbose formatting [false]
	 *
	 * @param {String|Number} val
	 * @param {Object} [options]
	 * @throws {Error} throw an error if val is not a non-empty string or a number
	 * @return {String|Number}
	 * @api public
	 */

	var ms = function ms(val, options) {
	  options = options || {};

	  var type = _typeof(val);

	  if (type === 'string' && val.length > 0) {
	    return parse(val);
	  } else if (type === 'number' && isFinite(val)) {
	    return options["long"] ? fmtLong(val) : fmtShort(val);
	  }

	  throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val));
	};
	/**
	 * Parse the given `str` and return milliseconds.
	 *
	 * @param {String} str
	 * @return {Number}
	 * @api private
	 */


	function parse(str) {
	  str = String(str);

	  if (str.length > 100) {
	    return;
	  }

	  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);

	  if (!match) {
	    return;
	  }

	  var n = parseFloat(match[1]);
	  var type = (match[2] || 'ms').toLowerCase();

	  switch (type) {
	    case 'years':
	    case 'year':
	    case 'yrs':
	    case 'yr':
	    case 'y':
	      return n * y;

	    case 'weeks':
	    case 'week':
	    case 'w':
	      return n * w;

	    case 'days':
	    case 'day':
	    case 'd':
	      return n * d;

	    case 'hours':
	    case 'hour':
	    case 'hrs':
	    case 'hr':
	    case 'h':
	      return n * h;

	    case 'minutes':
	    case 'minute':
	    case 'mins':
	    case 'min':
	    case 'm':
	      return n * m;

	    case 'seconds':
	    case 'second':
	    case 'secs':
	    case 'sec':
	    case 's':
	      return n * s;

	    case 'milliseconds':
	    case 'millisecond':
	    case 'msecs':
	    case 'msec':
	    case 'ms':
	      return n;

	    default:
	      return undefined;
	  }
	}
	/**
	 * Short format for `ms`.
	 *
	 * @param {Number} ms
	 * @return {String}
	 * @api private
	 */


	function fmtShort(ms) {
	  var msAbs = Math.abs(ms);

	  if (msAbs >= d) {
	    return Math.round(ms / d) + 'd';
	  }

	  if (msAbs >= h) {
	    return Math.round(ms / h) + 'h';
	  }

	  if (msAbs >= m) {
	    return Math.round(ms / m) + 'm';
	  }

	  if (msAbs >= s) {
	    return Math.round(ms / s) + 's';
	  }

	  return ms + 'ms';
	}
	/**
	 * Long format for `ms`.
	 *
	 * @param {Number} ms
	 * @return {String}
	 * @api private
	 */


	function fmtLong(ms) {
	  var msAbs = Math.abs(ms);

	  if (msAbs >= d) {
	    return plural(ms, msAbs, d, 'day');
	  }

	  if (msAbs >= h) {
	    return plural(ms, msAbs, h, 'hour');
	  }

	  if (msAbs >= m) {
	    return plural(ms, msAbs, m, 'minute');
	  }

	  if (msAbs >= s) {
	    return plural(ms, msAbs, s, 'second');
	  }

	  return ms + ' ms';
	}
	/**
	 * Pluralization helper.
	 */


	function plural(ms, msAbs, n, name) {
	  var isPlural = msAbs >= n * 1.5;
	  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
	}

	var freezing = !fails(function () {
	  return Object.isExtensible(Object.preventExtensions({}));
	});

	var internalMetadata = createCommonjsModule(function (module) {
	var defineProperty = objectDefineProperty.f;



	var METADATA = uid('meta');
	var id = 0;

	var isExtensible = Object.isExtensible || function () {
	  return true;
	};

	var setMetadata = function (it) {
	  defineProperty(it, METADATA, { value: {
	    objectID: 'O' + ++id, // object ID
	    weakData: {}          // weak collections IDs
	  } });
	};

	var fastKey = function (it, create) {
	  // return a primitive with prefix
	  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
	  if (!has(it, METADATA)) {
	    // can't set metadata to uncaught frozen object
	    if (!isExtensible(it)) return 'F';
	    // not necessary to add metadata
	    if (!create) return 'E';
	    // add missing metadata
	    setMetadata(it);
	  // return object ID
	  } return it[METADATA].objectID;
	};

	var getWeakData = function (it, create) {
	  if (!has(it, METADATA)) {
	    // can't set metadata to uncaught frozen object
	    if (!isExtensible(it)) return true;
	    // not necessary to add metadata
	    if (!create) return false;
	    // add missing metadata
	    setMetadata(it);
	  // return the store of weak collections IDs
	  } return it[METADATA].weakData;
	};

	// add metadata on freeze-family methods calling
	var onFreeze = function (it) {
	  if (freezing && meta.REQUIRED && isExtensible(it) && !has(it, METADATA)) setMetadata(it);
	  return it;
	};

	var meta = module.exports = {
	  REQUIRED: false,
	  fastKey: fastKey,
	  getWeakData: getWeakData,
	  onFreeze: onFreeze
	};

	hiddenKeys[METADATA] = true;
	});

	var onFreeze = internalMetadata.onFreeze;

	var nativeFreeze = Object.freeze;
	var FAILS_ON_PRIMITIVES$4 = fails(function () { nativeFreeze(1); });

	// `Object.freeze` method
	// https://tc39.es/ecma262/#sec-object.freeze
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$4, sham: !freezing }, {
	  freeze: function freeze(it) {
	    return nativeFreeze && isObject(it) ? nativeFreeze(onFreeze(it)) : it;
	  }
	});

	var collection = function (CONSTRUCTOR_NAME, wrapper, common) {
	  var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;
	  var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;
	  var ADDER = IS_MAP ? 'set' : 'add';
	  var NativeConstructor = global_1[CONSTRUCTOR_NAME];
	  var NativePrototype = NativeConstructor && NativeConstructor.prototype;
	  var Constructor = NativeConstructor;
	  var exported = {};

	  var fixMethod = function (KEY) {
	    var nativeMethod = NativePrototype[KEY];
	    redefine(NativePrototype, KEY,
	      KEY == 'add' ? function add(value) {
	        nativeMethod.call(this, value === 0 ? 0 : value);
	        return this;
	      } : KEY == 'delete' ? function (key) {
	        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
	      } : KEY == 'get' ? function get(key) {
	        return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);
	      } : KEY == 'has' ? function has(key) {
	        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
	      } : function set(key, value) {
	        nativeMethod.call(this, key === 0 ? 0 : key, value);
	        return this;
	      }
	    );
	  };

	  // eslint-disable-next-line max-len
	  if (isForced_1(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {
	    new NativeConstructor().entries().next();
	  })))) {
	    // create collection constructor
	    Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
	    internalMetadata.REQUIRED = true;
	  } else if (isForced_1(CONSTRUCTOR_NAME, true)) {
	    var instance = new Constructor();
	    // early implementations not supports chaining
	    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
	    // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false
	    var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });
	    // most early implementations doesn't supports iterables, most modern - not close it correctly
	    // eslint-disable-next-line no-new
	    var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });
	    // for early implementations -0 and +0 not the same
	    var BUGGY_ZERO = !IS_WEAK && fails(function () {
	      // V8 ~ Chromium 42- fails only with 5+ elements
	      var $instance = new NativeConstructor();
	      var index = 5;
	      while (index--) $instance[ADDER](index, index);
	      return !$instance.has(-0);
	    });

	    if (!ACCEPT_ITERABLES) {
	      Constructor = wrapper(function (dummy, iterable) {
	        anInstance(dummy, Constructor, CONSTRUCTOR_NAME);
	        var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
	        if (iterable != undefined) iterate(iterable, that[ADDER], { that: that, AS_ENTRIES: IS_MAP });
	        return that;
	      });
	      Constructor.prototype = NativePrototype;
	      NativePrototype.constructor = Constructor;
	    }

	    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
	      fixMethod('delete');
	      fixMethod('has');
	      IS_MAP && fixMethod('get');
	    }

	    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);

	    // weak collections should not contains .clear method
	    if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;
	  }

	  exported[CONSTRUCTOR_NAME] = Constructor;
	  _export({ global: true, forced: Constructor != NativeConstructor }, exported);

	  setToStringTag(Constructor, CONSTRUCTOR_NAME);

	  if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);

	  return Constructor;
	};

	var defineProperty$a = objectDefineProperty.f;








	var fastKey = internalMetadata.fastKey;


	var setInternalState$6 = internalState.set;
	var internalStateGetterFor = internalState.getterFor;

	var collectionStrong = {
	  getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
	    var C = wrapper(function (that, iterable) {
	      anInstance(that, C, CONSTRUCTOR_NAME);
	      setInternalState$6(that, {
	        type: CONSTRUCTOR_NAME,
	        index: objectCreate(null),
	        first: undefined,
	        last: undefined,
	        size: 0
	      });
	      if (!descriptors) that.size = 0;
	      if (iterable != undefined) iterate(iterable, that[ADDER], { that: that, AS_ENTRIES: IS_MAP });
	    });

	    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);

	    var define = function (that, key, value) {
	      var state = getInternalState(that);
	      var entry = getEntry(that, key);
	      var previous, index;
	      // change existing entry
	      if (entry) {
	        entry.value = value;
	      // create new entry
	      } else {
	        state.last = entry = {
	          index: index = fastKey(key, true),
	          key: key,
	          value: value,
	          previous: previous = state.last,
	          next: undefined,
	          removed: false
	        };
	        if (!state.first) state.first = entry;
	        if (previous) previous.next = entry;
	        if (descriptors) state.size++;
	        else that.size++;
	        // add to index
	        if (index !== 'F') state.index[index] = entry;
	      } return that;
	    };

	    var getEntry = function (that, key) {
	      var state = getInternalState(that);
	      // fast case
	      var index = fastKey(key);
	      var entry;
	      if (index !== 'F') return state.index[index];
	      // frozen object case
	      for (entry = state.first; entry; entry = entry.next) {
	        if (entry.key == key) return entry;
	      }
	    };

	    redefineAll(C.prototype, {
	      // 23.1.3.1 Map.prototype.clear()
	      // 23.2.3.2 Set.prototype.clear()
	      clear: function clear() {
	        var that = this;
	        var state = getInternalState(that);
	        var data = state.index;
	        var entry = state.first;
	        while (entry) {
	          entry.removed = true;
	          if (entry.previous) entry.previous = entry.previous.next = undefined;
	          delete data[entry.index];
	          entry = entry.next;
	        }
	        state.first = state.last = undefined;
	        if (descriptors) state.size = 0;
	        else that.size = 0;
	      },
	      // 23.1.3.3 Map.prototype.delete(key)
	      // 23.2.3.4 Set.prototype.delete(value)
	      'delete': function (key) {
	        var that = this;
	        var state = getInternalState(that);
	        var entry = getEntry(that, key);
	        if (entry) {
	          var next = entry.next;
	          var prev = entry.previous;
	          delete state.index[entry.index];
	          entry.removed = true;
	          if (prev) prev.next = next;
	          if (next) next.previous = prev;
	          if (state.first == entry) state.first = next;
	          if (state.last == entry) state.last = prev;
	          if (descriptors) state.size--;
	          else that.size--;
	        } return !!entry;
	      },
	      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)
	      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)
	      forEach: function forEach(callbackfn /* , that = undefined */) {
	        var state = getInternalState(this);
	        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
	        var entry;
	        while (entry = entry ? entry.next : state.first) {
	          boundFunction(entry.value, entry.key, this);
	          // revert to the last existing entry
	          while (entry && entry.removed) entry = entry.previous;
	        }
	      },
	      // 23.1.3.7 Map.prototype.has(key)
	      // 23.2.3.7 Set.prototype.has(value)
	      has: function has(key) {
	        return !!getEntry(this, key);
	      }
	    });

	    redefineAll(C.prototype, IS_MAP ? {
	      // 23.1.3.6 Map.prototype.get(key)
	      get: function get(key) {
	        var entry = getEntry(this, key);
	        return entry && entry.value;
	      },
	      // 23.1.3.9 Map.prototype.set(key, value)
	      set: function set(key, value) {
	        return define(this, key === 0 ? 0 : key, value);
	      }
	    } : {
	      // 23.2.3.1 Set.prototype.add(value)
	      add: function add(value) {
	        return define(this, value = value === 0 ? 0 : value, value);
	      }
	    });
	    if (descriptors) defineProperty$a(C.prototype, 'size', {
	      get: function () {
	        return getInternalState(this).size;
	      }
	    });
	    return C;
	  },
	  setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {
	    var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';
	    var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);
	    var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);
	    // add .keys, .values, .entries, [@@iterator]
	    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11
	    defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {
	      setInternalState$6(this, {
	        type: ITERATOR_NAME,
	        target: iterated,
	        state: getInternalCollectionState(iterated),
	        kind: kind,
	        last: undefined
	      });
	    }, function () {
	      var state = getInternalIteratorState(this);
	      var kind = state.kind;
	      var entry = state.last;
	      // revert to the last existing entry
	      while (entry && entry.removed) entry = entry.previous;
	      // get next entry
	      if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {
	        // or finish the iteration
	        state.target = undefined;
	        return { value: undefined, done: true };
	      }
	      // return step by kind
	      if (kind == 'keys') return { value: entry.key, done: false };
	      if (kind == 'values') return { value: entry.value, done: false };
	      return { value: [entry.key, entry.value], done: false };
	    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);

	    // add [@@species], 23.1.2.2, 23.2.2.2
	    setSpecies(CONSTRUCTOR_NAME);
	  }
	};

	// `Set` constructor
	// https://tc39.es/ecma262/#sec-set-objects
	collection('Set', function (init) {
	  return function Set() { return init(this, arguments.length ? arguments[0] : undefined); };
	}, collectionStrong);

	var browser$1 = true;

	// This alphabet uses `A-Za-z0-9_-` symbols. The genetic algorithm helped
	// optimize the gzip compression for this alphabet.
	var urlAlphabet = 'ModuleSymbhasOwnPr-0123456789ABCDEFGHNRVfgctiUvz_KqYTJkLxpZXIjQW';

	var customAlphabet = function customAlphabet(alphabet, size) {
	  return function () {
	    var id = ''; // A compact alternative for `for (var i = 0; i < step; i++)`.

	    var i = size;

	    while (i--) {
	      // `| 0` is more compact and faster than `Math.floor()`.
	      id += alphabet[Math.random() * alphabet.length | 0];
	    }

	    return id;
	  };
	};

	var nanoid = function nanoid() {
	  var size = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 21;
	  var id = ''; // A compact alternative for `for (var i = 0; i < step; i++)`.

	  var i = size;

	  while (i--) {
	    // `| 0` is more compact and faster than `Math.floor()`.
	    id += urlAlphabet[Math.random() * 64 | 0];
	  }

	  return id;
	};

	var nonSecure = /*#__PURE__*/Object.freeze({
		__proto__: null,
		nanoid: nanoid,
		customAlphabet: customAlphabet
	});

	var he = createCommonjsModule(function (module, exports) {

	  (function (root) {
	    // Detect free variables `exports`.
	    var freeExports =  exports; // Detect free variable `module`.

	    var freeModule =  module && module.exports == freeExports && module; // Detect free variable `global`, from Node.js or Browserified code,
	    // and use it as `root`.

	    var freeGlobal = _typeof(commonjsGlobal) == 'object' && commonjsGlobal;

	    if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
	      root = freeGlobal;
	    }
	    /*--------------------------------------------------------------------------*/
	    // All astral symbols.


	    var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g; // All ASCII symbols (not just printable ASCII) except those listed in the
	    // first column of the overrides table.
	    // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides

	    var regexAsciiWhitelist = /[\x01-\x7F]/g; // All BMP symbols that are not ASCII newlines, printable ASCII symbols, or
	    // code points listed in the first column of the overrides table on
	    // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides.

	    var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;
	    var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g;
	    var encodeMap = {
	      '\xAD': 'shy',
	      "\u200C": 'zwnj',
	      "\u200D": 'zwj',
	      "\u200E": 'lrm',
	      "\u2063": 'ic',
	      "\u2062": 'it',
	      "\u2061": 'af',
	      "\u200F": 'rlm',
	      "\u200B": 'ZeroWidthSpace',
	      "\u2060": 'NoBreak',
	      "\u0311": 'DownBreve',
	      "\u20DB": 'tdot',
	      "\u20DC": 'DotDot',
	      '\t': 'Tab',
	      '\n': 'NewLine',
	      "\u2008": 'puncsp',
	      "\u205F": 'MediumSpace',
	      "\u2009": 'thinsp',
	      "\u200A": 'hairsp',
	      "\u2004": 'emsp13',
	      "\u2002": 'ensp',
	      "\u2005": 'emsp14',
	      "\u2003": 'emsp',
	      "\u2007": 'numsp',
	      '\xA0': 'nbsp',
	      "\u205F\u200A": 'ThickSpace',
	      "\u203E": 'oline',
	      '_': 'lowbar',
	      "\u2010": 'dash',
	      "\u2013": 'ndash',
	      "\u2014": 'mdash',
	      "\u2015": 'horbar',
	      ',': 'comma',
	      ';': 'semi',
	      "\u204F": 'bsemi',
	      ':': 'colon',
	      "\u2A74": 'Colone',
	      '!': 'excl',
	      '\xA1': 'iexcl',
	      '?': 'quest',
	      '\xBF': 'iquest',
	      '.': 'period',
	      "\u2025": 'nldr',
	      "\u2026": 'mldr',
	      '\xB7': 'middot',
	      '\'': 'apos',
	      "\u2018": 'lsquo',
	      "\u2019": 'rsquo',
	      "\u201A": 'sbquo',
	      "\u2039": 'lsaquo',
	      "\u203A": 'rsaquo',
	      '"': 'quot',
	      "\u201C": 'ldquo',
	      "\u201D": 'rdquo',
	      "\u201E": 'bdquo',
	      '\xAB': 'laquo',
	      '\xBB': 'raquo',
	      '(': 'lpar',
	      ')': 'rpar',
	      '[': 'lsqb',
	      ']': 'rsqb',
	      '{': 'lcub',
	      '}': 'rcub',
	      "\u2308": 'lceil',
	      "\u2309": 'rceil',
	      "\u230A": 'lfloor',
	      "\u230B": 'rfloor',
	      "\u2985": 'lopar',
	      "\u2986": 'ropar',
	      "\u298B": 'lbrke',
	      "\u298C": 'rbrke',
	      "\u298D": 'lbrkslu',
	      "\u298E": 'rbrksld',
	      "\u298F": 'lbrksld',
	      "\u2990": 'rbrkslu',
	      "\u2991": 'langd',
	      "\u2992": 'rangd',
	      "\u2993": 'lparlt',
	      "\u2994": 'rpargt',
	      "\u2995": 'gtlPar',
	      "\u2996": 'ltrPar',
	      "\u27E6": 'lobrk',
	      "\u27E7": 'robrk',
	      "\u27E8": 'lang',
	      "\u27E9": 'rang',
	      "\u27EA": 'Lang',
	      "\u27EB": 'Rang',
	      "\u27EC": 'loang',
	      "\u27ED": 'roang',
	      "\u2772": 'lbbrk',
	      "\u2773": 'rbbrk',
	      "\u2016": 'Vert',
	      '\xA7': 'sect',
	      '\xB6': 'para',
	      '@': 'commat',
	      '*': 'ast',
	      '/': 'sol',
	      'undefined': null,
	      '&': 'amp',
	      '#': 'num',
	      '%': 'percnt',
	      "\u2030": 'permil',
	      "\u2031": 'pertenk',
	      "\u2020": 'dagger',
	      "\u2021": 'Dagger',
	      "\u2022": 'bull',
	      "\u2043": 'hybull',
	      "\u2032": 'prime',
	      "\u2033": 'Prime',
	      "\u2034": 'tprime',
	      "\u2057": 'qprime',
	      "\u2035": 'bprime',
	      "\u2041": 'caret',
	      '`': 'grave',
	      '\xB4': 'acute',
	      "\u02DC": 'tilde',
	      '^': 'Hat',
	      '\xAF': 'macr',
	      "\u02D8": 'breve',
	      "\u02D9": 'dot',
	      '\xA8': 'die',
	      "\u02DA": 'ring',
	      "\u02DD": 'dblac',
	      '\xB8': 'cedil',
	      "\u02DB": 'ogon',
	      "\u02C6": 'circ',
	      "\u02C7": 'caron',
	      '\xB0': 'deg',
	      '\xA9': 'copy',
	      '\xAE': 'reg',
	      "\u2117": 'copysr',
	      "\u2118": 'wp',
	      "\u211E": 'rx',
	      "\u2127": 'mho',
	      "\u2129": 'iiota',
	      "\u2190": 'larr',
	      "\u219A": 'nlarr',
	      "\u2192": 'rarr',
	      "\u219B": 'nrarr',
	      "\u2191": 'uarr',
	      "\u2193": 'darr',
	      "\u2194": 'harr',
	      "\u21AE": 'nharr',
	      "\u2195": 'varr',
	      "\u2196": 'nwarr',
	      "\u2197": 'nearr',
	      "\u2198": 'searr',
	      "\u2199": 'swarr',
	      "\u219D": 'rarrw',
	      "\u219D\u0338": 'nrarrw',
	      "\u219E": 'Larr',
	      "\u219F": 'Uarr',
	      "\u21A0": 'Rarr',
	      "\u21A1": 'Darr',
	      "\u21A2": 'larrtl',
	      "\u21A3": 'rarrtl',
	      "\u21A4": 'mapstoleft',
	      "\u21A5": 'mapstoup',
	      "\u21A6": 'map',
	      "\u21A7": 'mapstodown',
	      "\u21A9": 'larrhk',
	      "\u21AA": 'rarrhk',
	      "\u21AB": 'larrlp',
	      "\u21AC": 'rarrlp',
	      "\u21AD": 'harrw',
	      "\u21B0": 'lsh',
	      "\u21B1": 'rsh',
	      "\u21B2": 'ldsh',
	      "\u21B3": 'rdsh',
	      "\u21B5": 'crarr',
	      "\u21B6": 'cularr',
	      "\u21B7": 'curarr',
	      "\u21BA": 'olarr',
	      "\u21BB": 'orarr',
	      "\u21BC": 'lharu',
	      "\u21BD": 'lhard',
	      "\u21BE": 'uharr',
	      "\u21BF": 'uharl',
	      "\u21C0": 'rharu',
	      "\u21C1": 'rhard',
	      "\u21C2": 'dharr',
	      "\u21C3": 'dharl',
	      "\u21C4": 'rlarr',
	      "\u21C5": 'udarr',
	      "\u21C6": 'lrarr',
	      "\u21C7": 'llarr',
	      "\u21C8": 'uuarr',
	      "\u21C9": 'rrarr',
	      "\u21CA": 'ddarr',
	      "\u21CB": 'lrhar',
	      "\u21CC": 'rlhar',
	      "\u21D0": 'lArr',
	      "\u21CD": 'nlArr',
	      "\u21D1": 'uArr',
	      "\u21D2": 'rArr',
	      "\u21CF": 'nrArr',
	      "\u21D3": 'dArr',
	      "\u21D4": 'iff',
	      "\u21CE": 'nhArr',
	      "\u21D5": 'vArr',
	      "\u21D6": 'nwArr',
	      "\u21D7": 'neArr',
	      "\u21D8": 'seArr',
	      "\u21D9": 'swArr',
	      "\u21DA": 'lAarr',
	      "\u21DB": 'rAarr',
	      "\u21DD": 'zigrarr',
	      "\u21E4": 'larrb',
	      "\u21E5": 'rarrb',
	      "\u21F5": 'duarr',
	      "\u21FD": 'loarr',
	      "\u21FE": 'roarr',
	      "\u21FF": 'hoarr',
	      "\u2200": 'forall',
	      "\u2201": 'comp',
	      "\u2202": 'part',
	      "\u2202\u0338": 'npart',
	      "\u2203": 'exist',
	      "\u2204": 'nexist',
	      "\u2205": 'empty',
	      "\u2207": 'Del',
	      "\u2208": 'in',
	      "\u2209": 'notin',
	      "\u220B": 'ni',
	      "\u220C": 'notni',
	      "\u03F6": 'bepsi',
	      "\u220F": 'prod',
	      "\u2210": 'coprod',
	      "\u2211": 'sum',
	      '+': 'plus',
	      '\xB1': 'pm',
	      '\xF7': 'div',
	      '\xD7': 'times',
	      '<': 'lt',
	      "\u226E": 'nlt',
	      "<\u20D2": 'nvlt',
	      '=': 'equals',
	      "\u2260": 'ne',
	      "=\u20E5": 'bne',
	      "\u2A75": 'Equal',
	      '>': 'gt',
	      "\u226F": 'ngt',
	      ">\u20D2": 'nvgt',
	      '\xAC': 'not',
	      '|': 'vert',
	      '\xA6': 'brvbar',
	      "\u2212": 'minus',
	      "\u2213": 'mp',
	      "\u2214": 'plusdo',
	      "\u2044": 'frasl',
	      "\u2216": 'setmn',
	      "\u2217": 'lowast',
	      "\u2218": 'compfn',
	      "\u221A": 'Sqrt',
	      "\u221D": 'prop',
	      "\u221E": 'infin',
	      "\u221F": 'angrt',
	      "\u2220": 'ang',
	      "\u2220\u20D2": 'nang',
	      "\u2221": 'angmsd',
	      "\u2222": 'angsph',
	      "\u2223": 'mid',
	      "\u2224": 'nmid',
	      "\u2225": 'par',
	      "\u2226": 'npar',
	      "\u2227": 'and',
	      "\u2228": 'or',
	      "\u2229": 'cap',
	      "\u2229\uFE00": 'caps',
	      "\u222A": 'cup',
	      "\u222A\uFE00": 'cups',
	      "\u222B": 'int',
	      "\u222C": 'Int',
	      "\u222D": 'tint',
	      "\u2A0C": 'qint',
	      "\u222E": 'oint',
	      "\u222F": 'Conint',
	      "\u2230": 'Cconint',
	      "\u2231": 'cwint',
	      "\u2232": 'cwconint',
	      "\u2233": 'awconint',
	      "\u2234": 'there4',
	      "\u2235": 'becaus',
	      "\u2236": 'ratio',
	      "\u2237": 'Colon',
	      "\u2238": 'minusd',
	      "\u223A": 'mDDot',
	      "\u223B": 'homtht',
	      "\u223C": 'sim',
	      "\u2241": 'nsim',
	      "\u223C\u20D2": 'nvsim',
	      "\u223D": 'bsim',
	      "\u223D\u0331": 'race',
	      "\u223E": 'ac',
	      "\u223E\u0333": 'acE',
	      "\u223F": 'acd',
	      "\u2240": 'wr',
	      "\u2242": 'esim',
	      "\u2242\u0338": 'nesim',
	      "\u2243": 'sime',
	      "\u2244": 'nsime',
	      "\u2245": 'cong',
	      "\u2247": 'ncong',
	      "\u2246": 'simne',
	      "\u2248": 'ap',
	      "\u2249": 'nap',
	      "\u224A": 'ape',
	      "\u224B": 'apid',
	      "\u224B\u0338": 'napid',
	      "\u224C": 'bcong',
	      "\u224D": 'CupCap',
	      "\u226D": 'NotCupCap',
	      "\u224D\u20D2": 'nvap',
	      "\u224E": 'bump',
	      "\u224E\u0338": 'nbump',
	      "\u224F": 'bumpe',
	      "\u224F\u0338": 'nbumpe',
	      "\u2250": 'doteq',
	      "\u2250\u0338": 'nedot',
	      "\u2251": 'eDot',
	      "\u2252": 'efDot',
	      "\u2253": 'erDot',
	      "\u2254": 'colone',
	      "\u2255": 'ecolon',
	      "\u2256": 'ecir',
	      "\u2257": 'cire',
	      "\u2259": 'wedgeq',
	      "\u225A": 'veeeq',
	      "\u225C": 'trie',
	      "\u225F": 'equest',
	      "\u2261": 'equiv',
	      "\u2262": 'nequiv',
	      "\u2261\u20E5": 'bnequiv',
	      "\u2264": 'le',
	      "\u2270": 'nle',
	      "\u2264\u20D2": 'nvle',
	      "\u2265": 'ge',
	      "\u2271": 'nge',
	      "\u2265\u20D2": 'nvge',
	      "\u2266": 'lE',
	      "\u2266\u0338": 'nlE',
	      "\u2267": 'gE',
	      "\u2267\u0338": 'ngE',
	      "\u2268\uFE00": 'lvnE',
	      "\u2268": 'lnE',
	      "\u2269": 'gnE',
	      "\u2269\uFE00": 'gvnE',
	      "\u226A": 'll',
	      "\u226A\u0338": 'nLtv',
	      "\u226A\u20D2": 'nLt',
	      "\u226B": 'gg',
	      "\u226B\u0338": 'nGtv',
	      "\u226B\u20D2": 'nGt',
	      "\u226C": 'twixt',
	      "\u2272": 'lsim',
	      "\u2274": 'nlsim',
	      "\u2273": 'gsim',
	      "\u2275": 'ngsim',
	      "\u2276": 'lg',
	      "\u2278": 'ntlg',
	      "\u2277": 'gl',
	      "\u2279": 'ntgl',
	      "\u227A": 'pr',
	      "\u2280": 'npr',
	      "\u227B": 'sc',
	      "\u2281": 'nsc',
	      "\u227C": 'prcue',
	      "\u22E0": 'nprcue',
	      "\u227D": 'sccue',
	      "\u22E1": 'nsccue',
	      "\u227E": 'prsim',
	      "\u227F": 'scsim',
	      "\u227F\u0338": 'NotSucceedsTilde',
	      "\u2282": 'sub',
	      "\u2284": 'nsub',
	      "\u2282\u20D2": 'vnsub',
	      "\u2283": 'sup',
	      "\u2285": 'nsup',
	      "\u2283\u20D2": 'vnsup',
	      "\u2286": 'sube',
	      "\u2288": 'nsube',
	      "\u2287": 'supe',
	      "\u2289": 'nsupe',
	      "\u228A\uFE00": 'vsubne',
	      "\u228A": 'subne',
	      "\u228B\uFE00": 'vsupne',
	      "\u228B": 'supne',
	      "\u228D": 'cupdot',
	      "\u228E": 'uplus',
	      "\u228F": 'sqsub',
	      "\u228F\u0338": 'NotSquareSubset',
	      "\u2290": 'sqsup',
	      "\u2290\u0338": 'NotSquareSuperset',
	      "\u2291": 'sqsube',
	      "\u22E2": 'nsqsube',
	      "\u2292": 'sqsupe',
	      "\u22E3": 'nsqsupe',
	      "\u2293": 'sqcap',
	      "\u2293\uFE00": 'sqcaps',
	      "\u2294": 'sqcup',
	      "\u2294\uFE00": 'sqcups',
	      "\u2295": 'oplus',
	      "\u2296": 'ominus',
	      "\u2297": 'otimes',
	      "\u2298": 'osol',
	      "\u2299": 'odot',
	      "\u229A": 'ocir',
	      "\u229B": 'oast',
	      "\u229D": 'odash',
	      "\u229E": 'plusb',
	      "\u229F": 'minusb',
	      "\u22A0": 'timesb',
	      "\u22A1": 'sdotb',
	      "\u22A2": 'vdash',
	      "\u22AC": 'nvdash',
	      "\u22A3": 'dashv',
	      "\u22A4": 'top',
	      "\u22A5": 'bot',
	      "\u22A7": 'models',
	      "\u22A8": 'vDash',
	      "\u22AD": 'nvDash',
	      "\u22A9": 'Vdash',
	      "\u22AE": 'nVdash',
	      "\u22AA": 'Vvdash',
	      "\u22AB": 'VDash',
	      "\u22AF": 'nVDash',
	      "\u22B0": 'prurel',
	      "\u22B2": 'vltri',
	      "\u22EA": 'nltri',
	      "\u22B3": 'vrtri',
	      "\u22EB": 'nrtri',
	      "\u22B4": 'ltrie',
	      "\u22EC": 'nltrie',
	      "\u22B4\u20D2": 'nvltrie',
	      "\u22B5": 'rtrie',
	      "\u22ED": 'nrtrie',
	      "\u22B5\u20D2": 'nvrtrie',
	      "\u22B6": 'origof',
	      "\u22B7": 'imof',
	      "\u22B8": 'mumap',
	      "\u22B9": 'hercon',
	      "\u22BA": 'intcal',
	      "\u22BB": 'veebar',
	      "\u22BD": 'barvee',
	      "\u22BE": 'angrtvb',
	      "\u22BF": 'lrtri',
	      "\u22C0": 'Wedge',
	      "\u22C1": 'Vee',
	      "\u22C2": 'xcap',
	      "\u22C3": 'xcup',
	      "\u22C4": 'diam',
	      "\u22C5": 'sdot',
	      "\u22C6": 'Star',
	      "\u22C7": 'divonx',
	      "\u22C8": 'bowtie',
	      "\u22C9": 'ltimes',
	      "\u22CA": 'rtimes',
	      "\u22CB": 'lthree',
	      "\u22CC": 'rthree',
	      "\u22CD": 'bsime',
	      "\u22CE": 'cuvee',
	      "\u22CF": 'cuwed',
	      "\u22D0": 'Sub',
	      "\u22D1": 'Sup',
	      "\u22D2": 'Cap',
	      "\u22D3": 'Cup',
	      "\u22D4": 'fork',
	      "\u22D5": 'epar',
	      "\u22D6": 'ltdot',
	      "\u22D7": 'gtdot',
	      "\u22D8": 'Ll',
	      "\u22D8\u0338": 'nLl',
	      "\u22D9": 'Gg',
	      "\u22D9\u0338": 'nGg',
	      "\u22DA\uFE00": 'lesg',
	      "\u22DA": 'leg',
	      "\u22DB": 'gel',
	      "\u22DB\uFE00": 'gesl',
	      "\u22DE": 'cuepr',
	      "\u22DF": 'cuesc',
	      "\u22E6": 'lnsim',
	      "\u22E7": 'gnsim',
	      "\u22E8": 'prnsim',
	      "\u22E9": 'scnsim',
	      "\u22EE": 'vellip',
	      "\u22EF": 'ctdot',
	      "\u22F0": 'utdot',
	      "\u22F1": 'dtdot',
	      "\u22F2": 'disin',
	      "\u22F3": 'isinsv',
	      "\u22F4": 'isins',
	      "\u22F5": 'isindot',
	      "\u22F5\u0338": 'notindot',
	      "\u22F6": 'notinvc',
	      "\u22F7": 'notinvb',
	      "\u22F9": 'isinE',
	      "\u22F9\u0338": 'notinE',
	      "\u22FA": 'nisd',
	      "\u22FB": 'xnis',
	      "\u22FC": 'nis',
	      "\u22FD": 'notnivc',
	      "\u22FE": 'notnivb',
	      "\u2305": 'barwed',
	      "\u2306": 'Barwed',
	      "\u230C": 'drcrop',
	      "\u230D": 'dlcrop',
	      "\u230E": 'urcrop',
	      "\u230F": 'ulcrop',
	      "\u2310": 'bnot',
	      "\u2312": 'profline',
	      "\u2313": 'profsurf',
	      "\u2315": 'telrec',
	      "\u2316": 'target',
	      "\u231C": 'ulcorn',
	      "\u231D": 'urcorn',
	      "\u231E": 'dlcorn',
	      "\u231F": 'drcorn',
	      "\u2322": 'frown',
	      "\u2323": 'smile',
	      "\u232D": 'cylcty',
	      "\u232E": 'profalar',
	      "\u2336": 'topbot',
	      "\u233D": 'ovbar',
	      "\u233F": 'solbar',
	      "\u237C": 'angzarr',
	      "\u23B0": 'lmoust',
	      "\u23B1": 'rmoust',
	      "\u23B4": 'tbrk',
	      "\u23B5": 'bbrk',
	      "\u23B6": 'bbrktbrk',
	      "\u23DC": 'OverParenthesis',
	      "\u23DD": 'UnderParenthesis',
	      "\u23DE": 'OverBrace',
	      "\u23DF": 'UnderBrace',
	      "\u23E2": 'trpezium',
	      "\u23E7": 'elinters',
	      "\u2423": 'blank',
	      "\u2500": 'boxh',
	      "\u2502": 'boxv',
	      "\u250C": 'boxdr',
	      "\u2510": 'boxdl',
	      "\u2514": 'boxur',
	      "\u2518": 'boxul',
	      "\u251C": 'boxvr',
	      "\u2524": 'boxvl',
	      "\u252C": 'boxhd',
	      "\u2534": 'boxhu',
	      "\u253C": 'boxvh',
	      "\u2550": 'boxH',
	      "\u2551": 'boxV',
	      "\u2552": 'boxdR',
	      "\u2553": 'boxDr',
	      "\u2554": 'boxDR',
	      "\u2555": 'boxdL',
	      "\u2556": 'boxDl',
	      "\u2557": 'boxDL',
	      "\u2558": 'boxuR',
	      "\u2559": 'boxUr',
	      "\u255A": 'boxUR',
	      "\u255B": 'boxuL',
	      "\u255C": 'boxUl',
	      "\u255D": 'boxUL',
	      "\u255E": 'boxvR',
	      "\u255F": 'boxVr',
	      "\u2560": 'boxVR',
	      "\u2561": 'boxvL',
	      "\u2562": 'boxVl',
	      "\u2563": 'boxVL',
	      "\u2564": 'boxHd',
	      "\u2565": 'boxhD',
	      "\u2566": 'boxHD',
	      "\u2567": 'boxHu',
	      "\u2568": 'boxhU',
	      "\u2569": 'boxHU',
	      "\u256A": 'boxvH',
	      "\u256B": 'boxVh',
	      "\u256C": 'boxVH',
	      "\u2580": 'uhblk',
	      "\u2584": 'lhblk',
	      "\u2588": 'block',
	      "\u2591": 'blk14',
	      "\u2592": 'blk12',
	      "\u2593": 'blk34',
	      "\u25A1": 'squ',
	      "\u25AA": 'squf',
	      "\u25AB": 'EmptyVerySmallSquare',
	      "\u25AD": 'rect',
	      "\u25AE": 'marker',
	      "\u25B1": 'fltns',
	      "\u25B3": 'xutri',
	      "\u25B4": 'utrif',
	      "\u25B5": 'utri',
	      "\u25B8": 'rtrif',
	      "\u25B9": 'rtri',
	      "\u25BD": 'xdtri',
	      "\u25BE": 'dtrif',
	      "\u25BF": 'dtri',
	      "\u25C2": 'ltrif',
	      "\u25C3": 'ltri',
	      "\u25CA": 'loz',
	      "\u25CB": 'cir',
	      "\u25EC": 'tridot',
	      "\u25EF": 'xcirc',
	      "\u25F8": 'ultri',
	      "\u25F9": 'urtri',
	      "\u25FA": 'lltri',
	      "\u25FB": 'EmptySmallSquare',
	      "\u25FC": 'FilledSmallSquare',
	      "\u2605": 'starf',
	      "\u2606": 'star',
	      "\u260E": 'phone',
	      "\u2640": 'female',
	      "\u2642": 'male',
	      "\u2660": 'spades',
	      "\u2663": 'clubs',
	      "\u2665": 'hearts',
	      "\u2666": 'diams',
	      "\u266A": 'sung',
	      "\u2713": 'check',
	      "\u2717": 'cross',
	      "\u2720": 'malt',
	      "\u2736": 'sext',
	      "\u2758": 'VerticalSeparator',
	      "\u27C8": 'bsolhsub',
	      "\u27C9": 'suphsol',
	      "\u27F5": 'xlarr',
	      "\u27F6": 'xrarr',
	      "\u27F7": 'xharr',
	      "\u27F8": 'xlArr',
	      "\u27F9": 'xrArr',
	      "\u27FA": 'xhArr',
	      "\u27FC": 'xmap',
	      "\u27FF": 'dzigrarr',
	      "\u2902": 'nvlArr',
	      "\u2903": 'nvrArr',
	      "\u2904": 'nvHarr',
	      "\u2905": 'Map',
	      "\u290C": 'lbarr',
	      "\u290D": 'rbarr',
	      "\u290E": 'lBarr',
	      "\u290F": 'rBarr',
	      "\u2910": 'RBarr',
	      "\u2911": 'DDotrahd',
	      "\u2912": 'UpArrowBar',
	      "\u2913": 'DownArrowBar',
	      "\u2916": 'Rarrtl',
	      "\u2919": 'latail',
	      "\u291A": 'ratail',
	      "\u291B": 'lAtail',
	      "\u291C": 'rAtail',
	      "\u291D": 'larrfs',
	      "\u291E": 'rarrfs',
	      "\u291F": 'larrbfs',
	      "\u2920": 'rarrbfs',
	      "\u2923": 'nwarhk',
	      "\u2924": 'nearhk',
	      "\u2925": 'searhk',
	      "\u2926": 'swarhk',
	      "\u2927": 'nwnear',
	      "\u2928": 'toea',
	      "\u2929": 'tosa',
	      "\u292A": 'swnwar',
	      "\u2933": 'rarrc',
	      "\u2933\u0338": 'nrarrc',
	      "\u2935": 'cudarrr',
	      "\u2936": 'ldca',
	      "\u2937": 'rdca',
	      "\u2938": 'cudarrl',
	      "\u2939": 'larrpl',
	      "\u293C": 'curarrm',
	      "\u293D": 'cularrp',
	      "\u2945": 'rarrpl',
	      "\u2948": 'harrcir',
	      "\u2949": 'Uarrocir',
	      "\u294A": 'lurdshar',
	      "\u294B": 'ldrushar',
	      "\u294E": 'LeftRightVector',
	      "\u294F": 'RightUpDownVector',
	      "\u2950": 'DownLeftRightVector',
	      "\u2951": 'LeftUpDownVector',
	      "\u2952": 'LeftVectorBar',
	      "\u2953": 'RightVectorBar',
	      "\u2954": 'RightUpVectorBar',
	      "\u2955": 'RightDownVectorBar',
	      "\u2956": 'DownLeftVectorBar',
	      "\u2957": 'DownRightVectorBar',
	      "\u2958": 'LeftUpVectorBar',
	      "\u2959": 'LeftDownVectorBar',
	      "\u295A": 'LeftTeeVector',
	      "\u295B": 'RightTeeVector',
	      "\u295C": 'RightUpTeeVector',
	      "\u295D": 'RightDownTeeVector',
	      "\u295E": 'DownLeftTeeVector',
	      "\u295F": 'DownRightTeeVector',
	      "\u2960": 'LeftUpTeeVector',
	      "\u2961": 'LeftDownTeeVector',
	      "\u2962": 'lHar',
	      "\u2963": 'uHar',
	      "\u2964": 'rHar',
	      "\u2965": 'dHar',
	      "\u2966": 'luruhar',
	      "\u2967": 'ldrdhar',
	      "\u2968": 'ruluhar',
	      "\u2969": 'rdldhar',
	      "\u296A": 'lharul',
	      "\u296B": 'llhard',
	      "\u296C": 'rharul',
	      "\u296D": 'lrhard',
	      "\u296E": 'udhar',
	      "\u296F": 'duhar',
	      "\u2970": 'RoundImplies',
	      "\u2971": 'erarr',
	      "\u2972": 'simrarr',
	      "\u2973": 'larrsim',
	      "\u2974": 'rarrsim',
	      "\u2975": 'rarrap',
	      "\u2976": 'ltlarr',
	      "\u2978": 'gtrarr',
	      "\u2979": 'subrarr',
	      "\u297B": 'suplarr',
	      "\u297C": 'lfisht',
	      "\u297D": 'rfisht',
	      "\u297E": 'ufisht',
	      "\u297F": 'dfisht',
	      "\u299A": 'vzigzag',
	      "\u299C": 'vangrt',
	      "\u299D": 'angrtvbd',
	      "\u29A4": 'ange',
	      "\u29A5": 'range',
	      "\u29A6": 'dwangle',
	      "\u29A7": 'uwangle',
	      "\u29A8": 'angmsdaa',
	      "\u29A9": 'angmsdab',
	      "\u29AA": 'angmsdac',
	      "\u29AB": 'angmsdad',
	      "\u29AC": 'angmsdae',
	      "\u29AD": 'angmsdaf',
	      "\u29AE": 'angmsdag',
	      "\u29AF": 'angmsdah',
	      "\u29B0": 'bemptyv',
	      "\u29B1": 'demptyv',
	      "\u29B2": 'cemptyv',
	      "\u29B3": 'raemptyv',
	      "\u29B4": 'laemptyv',
	      "\u29B5": 'ohbar',
	      "\u29B6": 'omid',
	      "\u29B7": 'opar',
	      "\u29B9": 'operp',
	      "\u29BB": 'olcross',
	      "\u29BC": 'odsold',
	      "\u29BE": 'olcir',
	      "\u29BF": 'ofcir',
	      "\u29C0": 'olt',
	      "\u29C1": 'ogt',
	      "\u29C2": 'cirscir',
	      "\u29C3": 'cirE',
	      "\u29C4": 'solb',
	      "\u29C5": 'bsolb',
	      "\u29C9": 'boxbox',
	      "\u29CD": 'trisb',
	      "\u29CE": 'rtriltri',
	      "\u29CF": 'LeftTriangleBar',
	      "\u29CF\u0338": 'NotLeftTriangleBar',
	      "\u29D0": 'RightTriangleBar',
	      "\u29D0\u0338": 'NotRightTriangleBar',
	      "\u29DC": 'iinfin',
	      "\u29DD": 'infintie',
	      "\u29DE": 'nvinfin',
	      "\u29E3": 'eparsl',
	      "\u29E4": 'smeparsl',
	      "\u29E5": 'eqvparsl',
	      "\u29EB": 'lozf',
	      "\u29F4": 'RuleDelayed',
	      "\u29F6": 'dsol',
	      "\u2A00": 'xodot',
	      "\u2A01": 'xoplus',
	      "\u2A02": 'xotime',
	      "\u2A04": 'xuplus',
	      "\u2A06": 'xsqcup',
	      "\u2A0D": 'fpartint',
	      "\u2A10": 'cirfnint',
	      "\u2A11": 'awint',
	      "\u2A12": 'rppolint',
	      "\u2A13": 'scpolint',
	      "\u2A14": 'npolint',
	      "\u2A15": 'pointint',
	      "\u2A16": 'quatint',
	      "\u2A17": 'intlarhk',
	      "\u2A22": 'pluscir',
	      "\u2A23": 'plusacir',
	      "\u2A24": 'simplus',
	      "\u2A25": 'plusdu',
	      "\u2A26": 'plussim',
	      "\u2A27": 'plustwo',
	      "\u2A29": 'mcomma',
	      "\u2A2A": 'minusdu',
	      "\u2A2D": 'loplus',
	      "\u2A2E": 'roplus',
	      "\u2A2F": 'Cross',
	      "\u2A30": 'timesd',
	      "\u2A31": 'timesbar',
	      "\u2A33": 'smashp',
	      "\u2A34": 'lotimes',
	      "\u2A35": 'rotimes',
	      "\u2A36": 'otimesas',
	      "\u2A37": 'Otimes',
	      "\u2A38": 'odiv',
	      "\u2A39": 'triplus',
	      "\u2A3A": 'triminus',
	      "\u2A3B": 'tritime',
	      "\u2A3C": 'iprod',
	      "\u2A3F": 'amalg',
	      "\u2A40": 'capdot',
	      "\u2A42": 'ncup',
	      "\u2A43": 'ncap',
	      "\u2A44": 'capand',
	      "\u2A45": 'cupor',
	      "\u2A46": 'cupcap',
	      "\u2A47": 'capcup',
	      "\u2A48": 'cupbrcap',
	      "\u2A49": 'capbrcup',
	      "\u2A4A": 'cupcup',
	      "\u2A4B": 'capcap',
	      "\u2A4C": 'ccups',
	      "\u2A4D": 'ccaps',
	      "\u2A50": 'ccupssm',
	      "\u2A53": 'And',
	      "\u2A54": 'Or',
	      "\u2A55": 'andand',
	      "\u2A56": 'oror',
	      "\u2A57": 'orslope',
	      "\u2A58": 'andslope',
	      "\u2A5A": 'andv',
	      "\u2A5B": 'orv',
	      "\u2A5C": 'andd',
	      "\u2A5D": 'ord',
	      "\u2A5F": 'wedbar',
	      "\u2A66": 'sdote',
	      "\u2A6A": 'simdot',
	      "\u2A6D": 'congdot',
	      "\u2A6D\u0338": 'ncongdot',
	      "\u2A6E": 'easter',
	      "\u2A6F": 'apacir',
	      "\u2A70": 'apE',
	      "\u2A70\u0338": 'napE',
	      "\u2A71": 'eplus',
	      "\u2A72": 'pluse',
	      "\u2A73": 'Esim',
	      "\u2A77": 'eDDot',
	      "\u2A78": 'equivDD',
	      "\u2A79": 'ltcir',
	      "\u2A7A": 'gtcir',
	      "\u2A7B": 'ltquest',
	      "\u2A7C": 'gtquest',
	      "\u2A7D": 'les',
	      "\u2A7D\u0338": 'nles',
	      "\u2A7E": 'ges',
	      "\u2A7E\u0338": 'nges',
	      "\u2A7F": 'lesdot',
	      "\u2A80": 'gesdot',
	      "\u2A81": 'lesdoto',
	      "\u2A82": 'gesdoto',
	      "\u2A83": 'lesdotor',
	      "\u2A84": 'gesdotol',
	      "\u2A85": 'lap',
	      "\u2A86": 'gap',
	      "\u2A87": 'lne',
	      "\u2A88": 'gne',
	      "\u2A89": 'lnap',
	      "\u2A8A": 'gnap',
	      "\u2A8B": 'lEg',
	      "\u2A8C": 'gEl',
	      "\u2A8D": 'lsime',
	      "\u2A8E": 'gsime',
	      "\u2A8F": 'lsimg',
	      "\u2A90": 'gsiml',
	      "\u2A91": 'lgE',
	      "\u2A92": 'glE',
	      "\u2A93": 'lesges',
	      "\u2A94": 'gesles',
	      "\u2A95": 'els',
	      "\u2A96": 'egs',
	      "\u2A97": 'elsdot',
	      "\u2A98": 'egsdot',
	      "\u2A99": 'el',
	      "\u2A9A": 'eg',
	      "\u2A9D": 'siml',
	      "\u2A9E": 'simg',
	      "\u2A9F": 'simlE',
	      "\u2AA0": 'simgE',
	      "\u2AA1": 'LessLess',
	      "\u2AA1\u0338": 'NotNestedLessLess',
	      "\u2AA2": 'GreaterGreater',
	      "\u2AA2\u0338": 'NotNestedGreaterGreater',
	      "\u2AA4": 'glj',
	      "\u2AA5": 'gla',
	      "\u2AA6": 'ltcc',
	      "\u2AA7": 'gtcc',
	      "\u2AA8": 'lescc',
	      "\u2AA9": 'gescc',
	      "\u2AAA": 'smt',
	      "\u2AAB": 'lat',
	      "\u2AAC": 'smte',
	      "\u2AAC\uFE00": 'smtes',
	      "\u2AAD": 'late',
	      "\u2AAD\uFE00": 'lates',
	      "\u2AAE": 'bumpE',
	      "\u2AAF": 'pre',
	      "\u2AAF\u0338": 'npre',
	      "\u2AB0": 'sce',
	      "\u2AB0\u0338": 'nsce',
	      "\u2AB3": 'prE',
	      "\u2AB4": 'scE',
	      "\u2AB5": 'prnE',
	      "\u2AB6": 'scnE',
	      "\u2AB7": 'prap',
	      "\u2AB8": 'scap',
	      "\u2AB9": 'prnap',
	      "\u2ABA": 'scnap',
	      "\u2ABB": 'Pr',
	      "\u2ABC": 'Sc',
	      "\u2ABD": 'subdot',
	      "\u2ABE": 'supdot',
	      "\u2ABF": 'subplus',
	      "\u2AC0": 'supplus',
	      "\u2AC1": 'submult',
	      "\u2AC2": 'supmult',
	      "\u2AC3": 'subedot',
	      "\u2AC4": 'supedot',
	      "\u2AC5": 'subE',
	      "\u2AC5\u0338": 'nsubE',
	      "\u2AC6": 'supE',
	      "\u2AC6\u0338": 'nsupE',
	      "\u2AC7": 'subsim',
	      "\u2AC8": 'supsim',
	      "\u2ACB\uFE00": 'vsubnE',
	      "\u2ACB": 'subnE',
	      "\u2ACC\uFE00": 'vsupnE',
	      "\u2ACC": 'supnE',
	      "\u2ACF": 'csub',
	      "\u2AD0": 'csup',
	      "\u2AD1": 'csube',
	      "\u2AD2": 'csupe',
	      "\u2AD3": 'subsup',
	      "\u2AD4": 'supsub',
	      "\u2AD5": 'subsub',
	      "\u2AD6": 'supsup',
	      "\u2AD7": 'suphsub',
	      "\u2AD8": 'supdsub',
	      "\u2AD9": 'forkv',
	      "\u2ADA": 'topfork',
	      "\u2ADB": 'mlcp',
	      "\u2AE4": 'Dashv',
	      "\u2AE6": 'Vdashl',
	      "\u2AE7": 'Barv',
	      "\u2AE8": 'vBar',
	      "\u2AE9": 'vBarv',
	      "\u2AEB": 'Vbar',
	      "\u2AEC": 'Not',
	      "\u2AED": 'bNot',
	      "\u2AEE": 'rnmid',
	      "\u2AEF": 'cirmid',
	      "\u2AF0": 'midcir',
	      "\u2AF1": 'topcir',
	      "\u2AF2": 'nhpar',
	      "\u2AF3": 'parsim',
	      "\u2AFD": 'parsl',
	      "\u2AFD\u20E5": 'nparsl',
	      "\u266D": 'flat',
	      "\u266E": 'natur',
	      "\u266F": 'sharp',
	      '\xA4': 'curren',
	      '\xA2': 'cent',
	      '$': 'dollar',
	      '\xA3': 'pound',
	      '\xA5': 'yen',
	      "\u20AC": 'euro',
	      '\xB9': 'sup1',
	      '\xBD': 'half',
	      "\u2153": 'frac13',
	      '\xBC': 'frac14',
	      "\u2155": 'frac15',
	      "\u2159": 'frac16',
	      "\u215B": 'frac18',
	      '\xB2': 'sup2',
	      "\u2154": 'frac23',
	      "\u2156": 'frac25',
	      '\xB3': 'sup3',
	      '\xBE': 'frac34',
	      "\u2157": 'frac35',
	      "\u215C": 'frac38',
	      "\u2158": 'frac45',
	      "\u215A": 'frac56',
	      "\u215D": 'frac58',
	      "\u215E": 'frac78',
	      "\uD835\uDCB6": 'ascr',
	      "\uD835\uDD52": 'aopf',
	      "\uD835\uDD1E": 'afr',
	      "\uD835\uDD38": 'Aopf',
	      "\uD835\uDD04": 'Afr',
	      "\uD835\uDC9C": 'Ascr',
	      '\xAA': 'ordf',
	      '\xE1': 'aacute',
	      '\xC1': 'Aacute',
	      '\xE0': 'agrave',
	      '\xC0': 'Agrave',
	      "\u0103": 'abreve',
	      "\u0102": 'Abreve',
	      '\xE2': 'acirc',
	      '\xC2': 'Acirc',
	      '\xE5': 'aring',
	      '\xC5': 'angst',
	      '\xE4': 'auml',
	      '\xC4': 'Auml',
	      '\xE3': 'atilde',
	      '\xC3': 'Atilde',
	      "\u0105": 'aogon',
	      "\u0104": 'Aogon',
	      "\u0101": 'amacr',
	      "\u0100": 'Amacr',
	      '\xE6': 'aelig',
	      '\xC6': 'AElig',
	      "\uD835\uDCB7": 'bscr',
	      "\uD835\uDD53": 'bopf',
	      "\uD835\uDD1F": 'bfr',
	      "\uD835\uDD39": 'Bopf',
	      "\u212C": 'Bscr',
	      "\uD835\uDD05": 'Bfr',
	      "\uD835\uDD20": 'cfr',
	      "\uD835\uDCB8": 'cscr',
	      "\uD835\uDD54": 'copf',
	      "\u212D": 'Cfr',
	      "\uD835\uDC9E": 'Cscr',
	      "\u2102": 'Copf',
	      "\u0107": 'cacute',
	      "\u0106": 'Cacute',
	      "\u0109": 'ccirc',
	      "\u0108": 'Ccirc',
	      "\u010D": 'ccaron',
	      "\u010C": 'Ccaron',
	      "\u010B": 'cdot',
	      "\u010A": 'Cdot',
	      '\xE7': 'ccedil',
	      '\xC7': 'Ccedil',
	      "\u2105": 'incare',
	      "\uD835\uDD21": 'dfr',
	      "\u2146": 'dd',
	      "\uD835\uDD55": 'dopf',
	      "\uD835\uDCB9": 'dscr',
	      "\uD835\uDC9F": 'Dscr',
	      "\uD835\uDD07": 'Dfr',
	      "\u2145": 'DD',
	      "\uD835\uDD3B": 'Dopf',
	      "\u010F": 'dcaron',
	      "\u010E": 'Dcaron',
	      "\u0111": 'dstrok',
	      "\u0110": 'Dstrok',
	      '\xF0': 'eth',
	      '\xD0': 'ETH',
	      "\u2147": 'ee',
	      "\u212F": 'escr',
	      "\uD835\uDD22": 'efr',
	      "\uD835\uDD56": 'eopf',
	      "\u2130": 'Escr',
	      "\uD835\uDD08": 'Efr',
	      "\uD835\uDD3C": 'Eopf',
	      '\xE9': 'eacute',
	      '\xC9': 'Eacute',
	      '\xE8': 'egrave',
	      '\xC8': 'Egrave',
	      '\xEA': 'ecirc',
	      '\xCA': 'Ecirc',
	      "\u011B": 'ecaron',
	      "\u011A": 'Ecaron',
	      '\xEB': 'euml',
	      '\xCB': 'Euml',
	      "\u0117": 'edot',
	      "\u0116": 'Edot',
	      "\u0119": 'eogon',
	      "\u0118": 'Eogon',
	      "\u0113": 'emacr',
	      "\u0112": 'Emacr',
	      "\uD835\uDD23": 'ffr',
	      "\uD835\uDD57": 'fopf',
	      "\uD835\uDCBB": 'fscr',
	      "\uD835\uDD09": 'Ffr',
	      "\uD835\uDD3D": 'Fopf',
	      "\u2131": 'Fscr',
	      "\uFB00": 'fflig',
	      "\uFB03": 'ffilig',
	      "\uFB04": 'ffllig',
	      "\uFB01": 'filig',
	      'fj': 'fjlig',
	      "\uFB02": 'fllig',
	      "\u0192": 'fnof',
	      "\u210A": 'gscr',
	      "\uD835\uDD58": 'gopf',
	      "\uD835\uDD24": 'gfr',
	      "\uD835\uDCA2": 'Gscr',
	      "\uD835\uDD3E": 'Gopf',
	      "\uD835\uDD0A": 'Gfr',
	      "\u01F5": 'gacute',
	      "\u011F": 'gbreve',
	      "\u011E": 'Gbreve',
	      "\u011D": 'gcirc',
	      "\u011C": 'Gcirc',
	      "\u0121": 'gdot',
	      "\u0120": 'Gdot',
	      "\u0122": 'Gcedil',
	      "\uD835\uDD25": 'hfr',
	      "\u210E": 'planckh',
	      "\uD835\uDCBD": 'hscr',
	      "\uD835\uDD59": 'hopf',
	      "\u210B": 'Hscr',
	      "\u210C": 'Hfr',
	      "\u210D": 'Hopf',
	      "\u0125": 'hcirc',
	      "\u0124": 'Hcirc',
	      "\u210F": 'hbar',
	      "\u0127": 'hstrok',
	      "\u0126": 'Hstrok',
	      "\uD835\uDD5A": 'iopf',
	      "\uD835\uDD26": 'ifr',
	      "\uD835\uDCBE": 'iscr',
	      "\u2148": 'ii',
	      "\uD835\uDD40": 'Iopf',
	      "\u2110": 'Iscr',
	      "\u2111": 'Im',
	      '\xED': 'iacute',
	      '\xCD': 'Iacute',
	      '\xEC': 'igrave',
	      '\xCC': 'Igrave',
	      '\xEE': 'icirc',
	      '\xCE': 'Icirc',
	      '\xEF': 'iuml',
	      '\xCF': 'Iuml',
	      "\u0129": 'itilde',
	      "\u0128": 'Itilde',
	      "\u0130": 'Idot',
	      "\u012F": 'iogon',
	      "\u012E": 'Iogon',
	      "\u012B": 'imacr',
	      "\u012A": 'Imacr',
	      "\u0133": 'ijlig',
	      "\u0132": 'IJlig',
	      "\u0131": 'imath',
	      "\uD835\uDCBF": 'jscr',
	      "\uD835\uDD5B": 'jopf',
	      "\uD835\uDD27": 'jfr',
	      "\uD835\uDCA5": 'Jscr',
	      "\uD835\uDD0D": 'Jfr',
	      "\uD835\uDD41": 'Jopf',
	      "\u0135": 'jcirc',
	      "\u0134": 'Jcirc',
	      "\u0237": 'jmath',
	      "\uD835\uDD5C": 'kopf',
	      "\uD835\uDCC0": 'kscr',
	      "\uD835\uDD28": 'kfr',
	      "\uD835\uDCA6": 'Kscr',
	      "\uD835\uDD42": 'Kopf',
	      "\uD835\uDD0E": 'Kfr',
	      "\u0137": 'kcedil',
	      "\u0136": 'Kcedil',
	      "\uD835\uDD29": 'lfr',
	      "\uD835\uDCC1": 'lscr',
	      "\u2113": 'ell',
	      "\uD835\uDD5D": 'lopf',
	      "\u2112": 'Lscr',
	      "\uD835\uDD0F": 'Lfr',
	      "\uD835\uDD43": 'Lopf',
	      "\u013A": 'lacute',
	      "\u0139": 'Lacute',
	      "\u013E": 'lcaron',
	      "\u013D": 'Lcaron',
	      "\u013C": 'lcedil',
	      "\u013B": 'Lcedil',
	      "\u0142": 'lstrok',
	      "\u0141": 'Lstrok',
	      "\u0140": 'lmidot',
	      "\u013F": 'Lmidot',
	      "\uD835\uDD2A": 'mfr',
	      "\uD835\uDD5E": 'mopf',
	      "\uD835\uDCC2": 'mscr',
	      "\uD835\uDD10": 'Mfr',
	      "\uD835\uDD44": 'Mopf',
	      "\u2133": 'Mscr',
	      "\uD835\uDD2B": 'nfr',
	      "\uD835\uDD5F": 'nopf',
	      "\uD835\uDCC3": 'nscr',
	      "\u2115": 'Nopf',
	      "\uD835\uDCA9": 'Nscr',
	      "\uD835\uDD11": 'Nfr',
	      "\u0144": 'nacute',
	      "\u0143": 'Nacute',
	      "\u0148": 'ncaron',
	      "\u0147": 'Ncaron',
	      '\xF1': 'ntilde',
	      '\xD1': 'Ntilde',
	      "\u0146": 'ncedil',
	      "\u0145": 'Ncedil',
	      "\u2116": 'numero',
	      "\u014B": 'eng',
	      "\u014A": 'ENG',
	      "\uD835\uDD60": 'oopf',
	      "\uD835\uDD2C": 'ofr',
	      "\u2134": 'oscr',
	      "\uD835\uDCAA": 'Oscr',
	      "\uD835\uDD12": 'Ofr',
	      "\uD835\uDD46": 'Oopf',
	      '\xBA': 'ordm',
	      '\xF3': 'oacute',
	      '\xD3': 'Oacute',
	      '\xF2': 'ograve',
	      '\xD2': 'Ograve',
	      '\xF4': 'ocirc',
	      '\xD4': 'Ocirc',
	      '\xF6': 'ouml',
	      '\xD6': 'Ouml',
	      "\u0151": 'odblac',
	      "\u0150": 'Odblac',
	      '\xF5': 'otilde',
	      '\xD5': 'Otilde',
	      '\xF8': 'oslash',
	      '\xD8': 'Oslash',
	      "\u014D": 'omacr',
	      "\u014C": 'Omacr',
	      "\u0153": 'oelig',
	      "\u0152": 'OElig',
	      "\uD835\uDD2D": 'pfr',
	      "\uD835\uDCC5": 'pscr',
	      "\uD835\uDD61": 'popf',
	      "\u2119": 'Popf',
	      "\uD835\uDD13": 'Pfr',
	      "\uD835\uDCAB": 'Pscr',
	      "\uD835\uDD62": 'qopf',
	      "\uD835\uDD2E": 'qfr',
	      "\uD835\uDCC6": 'qscr',
	      "\uD835\uDCAC": 'Qscr',
	      "\uD835\uDD14": 'Qfr',
	      "\u211A": 'Qopf',
	      "\u0138": 'kgreen',
	      "\uD835\uDD2F": 'rfr',
	      "\uD835\uDD63": 'ropf',
	      "\uD835\uDCC7": 'rscr',
	      "\u211B": 'Rscr',
	      "\u211C": 'Re',
	      "\u211D": 'Ropf',
	      "\u0155": 'racute',
	      "\u0154": 'Racute',
	      "\u0159": 'rcaron',
	      "\u0158": 'Rcaron',
	      "\u0157": 'rcedil',
	      "\u0156": 'Rcedil',
	      "\uD835\uDD64": 'sopf',
	      "\uD835\uDCC8": 'sscr',
	      "\uD835\uDD30": 'sfr',
	      "\uD835\uDD4A": 'Sopf',
	      "\uD835\uDD16": 'Sfr',
	      "\uD835\uDCAE": 'Sscr',
	      "\u24C8": 'oS',
	      "\u015B": 'sacute',
	      "\u015A": 'Sacute',
	      "\u015D": 'scirc',
	      "\u015C": 'Scirc',
	      "\u0161": 'scaron',
	      "\u0160": 'Scaron',
	      "\u015F": 'scedil',
	      "\u015E": 'Scedil',
	      '\xDF': 'szlig',
	      "\uD835\uDD31": 'tfr',
	      "\uD835\uDCC9": 'tscr',
	      "\uD835\uDD65": 'topf',
	      "\uD835\uDCAF": 'Tscr',
	      "\uD835\uDD17": 'Tfr',
	      "\uD835\uDD4B": 'Topf',
	      "\u0165": 'tcaron',
	      "\u0164": 'Tcaron',
	      "\u0163": 'tcedil',
	      "\u0162": 'Tcedil',
	      "\u2122": 'trade',
	      "\u0167": 'tstrok',
	      "\u0166": 'Tstrok',
	      "\uD835\uDCCA": 'uscr',
	      "\uD835\uDD66": 'uopf',
	      "\uD835\uDD32": 'ufr',
	      "\uD835\uDD4C": 'Uopf',
	      "\uD835\uDD18": 'Ufr',
	      "\uD835\uDCB0": 'Uscr',
	      '\xFA': 'uacute',
	      '\xDA': 'Uacute',
	      '\xF9': 'ugrave',
	      '\xD9': 'Ugrave',
	      "\u016D": 'ubreve',
	      "\u016C": 'Ubreve',
	      '\xFB': 'ucirc',
	      '\xDB': 'Ucirc',
	      "\u016F": 'uring',
	      "\u016E": 'Uring',
	      '\xFC': 'uuml',
	      '\xDC': 'Uuml',
	      "\u0171": 'udblac',
	      "\u0170": 'Udblac',
	      "\u0169": 'utilde',
	      "\u0168": 'Utilde',
	      "\u0173": 'uogon',
	      "\u0172": 'Uogon',
	      "\u016B": 'umacr',
	      "\u016A": 'Umacr',
	      "\uD835\uDD33": 'vfr',
	      "\uD835\uDD67": 'vopf',
	      "\uD835\uDCCB": 'vscr',
	      "\uD835\uDD19": 'Vfr',
	      "\uD835\uDD4D": 'Vopf',
	      "\uD835\uDCB1": 'Vscr',
	      "\uD835\uDD68": 'wopf',
	      "\uD835\uDCCC": 'wscr',
	      "\uD835\uDD34": 'wfr',
	      "\uD835\uDCB2": 'Wscr',
	      "\uD835\uDD4E": 'Wopf',
	      "\uD835\uDD1A": 'Wfr',
	      "\u0175": 'wcirc',
	      "\u0174": 'Wcirc',
	      "\uD835\uDD35": 'xfr',
	      "\uD835\uDCCD": 'xscr',
	      "\uD835\uDD69": 'xopf',
	      "\uD835\uDD4F": 'Xopf',
	      "\uD835\uDD1B": 'Xfr',
	      "\uD835\uDCB3": 'Xscr',
	      "\uD835\uDD36": 'yfr',
	      "\uD835\uDCCE": 'yscr',
	      "\uD835\uDD6A": 'yopf',
	      "\uD835\uDCB4": 'Yscr',
	      "\uD835\uDD1C": 'Yfr',
	      "\uD835\uDD50": 'Yopf',
	      '\xFD': 'yacute',
	      '\xDD': 'Yacute',
	      "\u0177": 'ycirc',
	      "\u0176": 'Ycirc',
	      '\xFF': 'yuml',
	      "\u0178": 'Yuml',
	      "\uD835\uDCCF": 'zscr',
	      "\uD835\uDD37": 'zfr',
	      "\uD835\uDD6B": 'zopf',
	      "\u2128": 'Zfr',
	      "\u2124": 'Zopf',
	      "\uD835\uDCB5": 'Zscr',
	      "\u017A": 'zacute',
	      "\u0179": 'Zacute',
	      "\u017E": 'zcaron',
	      "\u017D": 'Zcaron',
	      "\u017C": 'zdot',
	      "\u017B": 'Zdot',
	      "\u01B5": 'imped',
	      '\xFE': 'thorn',
	      '\xDE': 'THORN',
	      "\u0149": 'napos',
	      "\u03B1": 'alpha',
	      "\u0391": 'Alpha',
	      "\u03B2": 'beta',
	      "\u0392": 'Beta',
	      "\u03B3": 'gamma',
	      "\u0393": 'Gamma',
	      "\u03B4": 'delta',
	      "\u0394": 'Delta',
	      "\u03B5": 'epsi',
	      "\u03F5": 'epsiv',
	      "\u0395": 'Epsilon',
	      "\u03DD": 'gammad',
	      "\u03DC": 'Gammad',
	      "\u03B6": 'zeta',
	      "\u0396": 'Zeta',
	      "\u03B7": 'eta',
	      "\u0397": 'Eta',
	      "\u03B8": 'theta',
	      "\u03D1": 'thetav',
	      "\u0398": 'Theta',
	      "\u03B9": 'iota',
	      "\u0399": 'Iota',
	      "\u03BA": 'kappa',
	      "\u03F0": 'kappav',
	      "\u039A": 'Kappa',
	      "\u03BB": 'lambda',
	      "\u039B": 'Lambda',
	      "\u03BC": 'mu',
	      '\xB5': 'micro',
	      "\u039C": 'Mu',
	      "\u03BD": 'nu',
	      "\u039D": 'Nu',
	      "\u03BE": 'xi',
	      "\u039E": 'Xi',
	      "\u03BF": 'omicron',
	      "\u039F": 'Omicron',
	      "\u03C0": 'pi',
	      "\u03D6": 'piv',
	      "\u03A0": 'Pi',
	      "\u03C1": 'rho',
	      "\u03F1": 'rhov',
	      "\u03A1": 'Rho',
	      "\u03C3": 'sigma',
	      "\u03A3": 'Sigma',
	      "\u03C2": 'sigmaf',
	      "\u03C4": 'tau',
	      "\u03A4": 'Tau',
	      "\u03C5": 'upsi',
	      "\u03A5": 'Upsilon',
	      "\u03D2": 'Upsi',
	      "\u03C6": 'phi',
	      "\u03D5": 'phiv',
	      "\u03A6": 'Phi',
	      "\u03C7": 'chi',
	      "\u03A7": 'Chi',
	      "\u03C8": 'psi',
	      "\u03A8": 'Psi',
	      "\u03C9": 'omega',
	      "\u03A9": 'ohm',
	      "\u0430": 'acy',
	      "\u0410": 'Acy',
	      "\u0431": 'bcy',
	      "\u0411": 'Bcy',
	      "\u0432": 'vcy',
	      "\u0412": 'Vcy',
	      "\u0433": 'gcy',
	      "\u0413": 'Gcy',
	      "\u0453": 'gjcy',
	      "\u0403": 'GJcy',
	      "\u0434": 'dcy',
	      "\u0414": 'Dcy',
	      "\u0452": 'djcy',
	      "\u0402": 'DJcy',
	      "\u0435": 'iecy',
	      "\u0415": 'IEcy',
	      "\u0451": 'iocy',
	      "\u0401": 'IOcy',
	      "\u0454": 'jukcy',
	      "\u0404": 'Jukcy',
	      "\u0436": 'zhcy',
	      "\u0416": 'ZHcy',
	      "\u0437": 'zcy',
	      "\u0417": 'Zcy',
	      "\u0455": 'dscy',
	      "\u0405": 'DScy',
	      "\u0438": 'icy',
	      "\u0418": 'Icy',
	      "\u0456": 'iukcy',
	      "\u0406": 'Iukcy',
	      "\u0457": 'yicy',
	      "\u0407": 'YIcy',
	      "\u0439": 'jcy',
	      "\u0419": 'Jcy',
	      "\u0458": 'jsercy',
	      "\u0408": 'Jsercy',
	      "\u043A": 'kcy',
	      "\u041A": 'Kcy',
	      "\u045C": 'kjcy',
	      "\u040C": 'KJcy',
	      "\u043B": 'lcy',
	      "\u041B": 'Lcy',
	      "\u0459": 'ljcy',
	      "\u0409": 'LJcy',
	      "\u043C": 'mcy',
	      "\u041C": 'Mcy',
	      "\u043D": 'ncy',
	      "\u041D": 'Ncy',
	      "\u045A": 'njcy',
	      "\u040A": 'NJcy',
	      "\u043E": 'ocy',
	      "\u041E": 'Ocy',
	      "\u043F": 'pcy',
	      "\u041F": 'Pcy',
	      "\u0440": 'rcy',
	      "\u0420": 'Rcy',
	      "\u0441": 'scy',
	      "\u0421": 'Scy',
	      "\u0442": 'tcy',
	      "\u0422": 'Tcy',
	      "\u045B": 'tshcy',
	      "\u040B": 'TSHcy',
	      "\u0443": 'ucy',
	      "\u0423": 'Ucy',
	      "\u045E": 'ubrcy',
	      "\u040E": 'Ubrcy',
	      "\u0444": 'fcy',
	      "\u0424": 'Fcy',
	      "\u0445": 'khcy',
	      "\u0425": 'KHcy',
	      "\u0446": 'tscy',
	      "\u0426": 'TScy',
	      "\u0447": 'chcy',
	      "\u0427": 'CHcy',
	      "\u045F": 'dzcy',
	      "\u040F": 'DZcy',
	      "\u0448": 'shcy',
	      "\u0428": 'SHcy',
	      "\u0449": 'shchcy',
	      "\u0429": 'SHCHcy',
	      "\u044A": 'hardcy',
	      "\u042A": 'HARDcy',
	      "\u044B": 'ycy',
	      "\u042B": 'Ycy',
	      "\u044C": 'softcy',
	      "\u042C": 'SOFTcy',
	      "\u044D": 'ecy',
	      "\u042D": 'Ecy',
	      "\u044E": 'yucy',
	      "\u042E": 'YUcy',
	      "\u044F": 'yacy',
	      "\u042F": 'YAcy',
	      "\u2135": 'aleph',
	      "\u2136": 'beth',
	      "\u2137": 'gimel',
	      "\u2138": 'daleth'
	    };
	    var regexEscape = /["&'<>`]/g;
	    var escapeMap = {
	      '"': '&quot;',
	      '&': '&amp;',
	      '\'': '&#x27;',
	      '<': '&lt;',
	      // See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the
	      // following is not strictly necessary unless it’s part of a tag or an
	      // unquoted attribute value. We’re only escaping it to support those
	      // situations, and for XML support.
	      '>': '&gt;',
	      // In Internet Explorer ≤ 8, the backtick character can be used
	      // to break out of (un)quoted attribute values or HTML comments.
	      // See http://html5sec.org/#102, http://html5sec.org/#108, and
	      // http://html5sec.org/#133.
	      '`': '&#x60;'
	    };
	    var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/;
	    var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
	    var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrowBar|LeftUpVector|LeftArrowBar|risingdotseq|GreaterTilde|RoundImplies|SquareSubset|ShortUpArrow|NotSuperset|quaternions|precnapprox|backepsilon|preccurlyeq|OverBracket|blacksquare|MediumSpace|VerticalBar|circledcirc|circleddash|CircleMinus|CircleTimes|LessGreater|curlyeqprec|curlyeqsucc|diamondsuit|UpDownArrow|Updownarrow|RuleDelayed|Rrightarrow|updownarrow|RightVector|nRightarrow|nrightarrow|eqslantless|LeftCeiling|Equilibrium|SmallCircle|expectation|NotSucceeds|thickapprox|GreaterLess|SquareUnion|NotPrecedes|NotLessLess|straightphi|succnapprox|succcurlyeq|SubsetEqual|sqsupseteq|Proportion|Laplacetrf|ImaginaryI|supsetneqq|NotGreater|gtreqqless|NotElement|ThickSpace|TildeEqual|TildeTilde|Fouriertrf|rmoustache|EqualTilde|eqslantgtr|UnderBrace|LeftVector|UpArrowBar|nLeftarrow|nsubseteqq|subsetneqq|nsupseteqq|nleftarrow|succapprox|lessapprox|UpTeeArrow|upuparrows|curlywedge|lesseqqgtr|varepsilon|varnothing|RightFloor|c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	    var decodeMap = {
	      'aacute': '\xE1',
	      'Aacute': '\xC1',
	      'abreve': "\u0103",
	      'Abreve': "\u0102",
	      'ac': "\u223E",
	      'acd': "\u223F",
	      'acE': "\u223E\u0333",
	      'acirc': '\xE2',
	      'Acirc': '\xC2',
	      'acute': '\xB4',
	      'acy': "\u0430",
	      'Acy': "\u0410",
	      'aelig': '\xE6',
	      'AElig': '\xC6',
	      'af': "\u2061",
	      'afr': "\uD835\uDD1E",
	      'Afr': "\uD835\uDD04",
	      'agrave': '\xE0',
	      'Agrave': '\xC0',
	      'alefsym': "\u2135",
	      'aleph': "\u2135",
	      'alpha': "\u03B1",
	      'Alpha': "\u0391",
	      'amacr': "\u0101",
	      'Amacr': "\u0100",
	      'amalg': "\u2A3F",
	      'amp': '&',
	      'AMP': '&',
	      'and': "\u2227",
	      'And': "\u2A53",
	      'andand': "\u2A55",
	      'andd': "\u2A5C",
	      'andslope': "\u2A58",
	      'andv': "\u2A5A",
	      'ang': "\u2220",
	      'ange': "\u29A4",
	      'angle': "\u2220",
	      'angmsd': "\u2221",
	      'angmsdaa': "\u29A8",
	      'angmsdab': "\u29A9",
	      'angmsdac': "\u29AA",
	      'angmsdad': "\u29AB",
	      'angmsdae': "\u29AC",
	      'angmsdaf': "\u29AD",
	      'angmsdag': "\u29AE",
	      'angmsdah': "\u29AF",
	      'angrt': "\u221F",
	      'angrtvb': "\u22BE",
	      'angrtvbd': "\u299D",
	      'angsph': "\u2222",
	      'angst': '\xC5',
	      'angzarr': "\u237C",
	      'aogon': "\u0105",
	      'Aogon': "\u0104",
	      'aopf': "\uD835\uDD52",
	      'Aopf': "\uD835\uDD38",
	      'ap': "\u2248",
	      'apacir': "\u2A6F",
	      'ape': "\u224A",
	      'apE': "\u2A70",
	      'apid': "\u224B",
	      'apos': '\'',
	      'ApplyFunction': "\u2061",
	      'approx': "\u2248",
	      'approxeq': "\u224A",
	      'aring': '\xE5',
	      'Aring': '\xC5',
	      'ascr': "\uD835\uDCB6",
	      'Ascr': "\uD835\uDC9C",
	      'Assign': "\u2254",
	      'ast': '*',
	      'asymp': "\u2248",
	      'asympeq': "\u224D",
	      'atilde': '\xE3',
	      'Atilde': '\xC3',
	      'auml': '\xE4',
	      'Auml': '\xC4',
	      'awconint': "\u2233",
	      'awint': "\u2A11",
	      'backcong': "\u224C",
	      'backepsilon': "\u03F6",
	      'backprime': "\u2035",
	      'backsim': "\u223D",
	      'backsimeq': "\u22CD",
	      'Backslash': "\u2216",
	      'Barv': "\u2AE7",
	      'barvee': "\u22BD",
	      'barwed': "\u2305",
	      'Barwed': "\u2306",
	      'barwedge': "\u2305",
	      'bbrk': "\u23B5",
	      'bbrktbrk': "\u23B6",
	      'bcong': "\u224C",
	      'bcy': "\u0431",
	      'Bcy': "\u0411",
	      'bdquo': "\u201E",
	      'becaus': "\u2235",
	      'because': "\u2235",
	      'Because': "\u2235",
	      'bemptyv': "\u29B0",
	      'bepsi': "\u03F6",
	      'bernou': "\u212C",
	      'Bernoullis': "\u212C",
	      'beta': "\u03B2",
	      'Beta': "\u0392",
	      'beth': "\u2136",
	      'between': "\u226C",
	      'bfr': "\uD835\uDD1F",
	      'Bfr': "\uD835\uDD05",
	      'bigcap': "\u22C2",
	      'bigcirc': "\u25EF",
	      'bigcup': "\u22C3",
	      'bigodot': "\u2A00",
	      'bigoplus': "\u2A01",
	      'bigotimes': "\u2A02",
	      'bigsqcup': "\u2A06",
	      'bigstar': "\u2605",
	      'bigtriangledown': "\u25BD",
	      'bigtriangleup': "\u25B3",
	      'biguplus': "\u2A04",
	      'bigvee': "\u22C1",
	      'bigwedge': "\u22C0",
	      'bkarow': "\u290D",
	      'blacklozenge': "\u29EB",
	      'blacksquare': "\u25AA",
	      'blacktriangle': "\u25B4",
	      'blacktriangledown': "\u25BE",
	      'blacktriangleleft': "\u25C2",
	      'blacktriangleright': "\u25B8",
	      'blank': "\u2423",
	      'blk12': "\u2592",
	      'blk14': "\u2591",
	      'blk34': "\u2593",
	      'block': "\u2588",
	      'bne': "=\u20E5",
	      'bnequiv': "\u2261\u20E5",
	      'bnot': "\u2310",
	      'bNot': "\u2AED",
	      'bopf': "\uD835\uDD53",
	      'Bopf': "\uD835\uDD39",
	      'bot': "\u22A5",
	      'bottom': "\u22A5",
	      'bowtie': "\u22C8",
	      'boxbox': "\u29C9",
	      'boxdl': "\u2510",
	      'boxdL': "\u2555",
	      'boxDl': "\u2556",
	      'boxDL': "\u2557",
	      'boxdr': "\u250C",
	      'boxdR': "\u2552",
	      'boxDr': "\u2553",
	      'boxDR': "\u2554",
	      'boxh': "\u2500",
	      'boxH': "\u2550",
	      'boxhd': "\u252C",
	      'boxhD': "\u2565",
	      'boxHd': "\u2564",
	      'boxHD': "\u2566",
	      'boxhu': "\u2534",
	      'boxhU': "\u2568",
	      'boxHu': "\u2567",
	      'boxHU': "\u2569",
	      'boxminus': "\u229F",
	      'boxplus': "\u229E",
	      'boxtimes': "\u22A0",
	      'boxul': "\u2518",
	      'boxuL': "\u255B",
	      'boxUl': "\u255C",
	      'boxUL': "\u255D",
	      'boxur': "\u2514",
	      'boxuR': "\u2558",
	      'boxUr': "\u2559",
	      'boxUR': "\u255A",
	      'boxv': "\u2502",
	      'boxV': "\u2551",
	      'boxvh': "\u253C",
	      'boxvH': "\u256A",
	      'boxVh': "\u256B",
	      'boxVH': "\u256C",
	      'boxvl': "\u2524",
	      'boxvL': "\u2561",
	      'boxVl': "\u2562",
	      'boxVL': "\u2563",
	      'boxvr': "\u251C",
	      'boxvR': "\u255E",
	      'boxVr': "\u255F",
	      'boxVR': "\u2560",
	      'bprime': "\u2035",
	      'breve': "\u02D8",
	      'Breve': "\u02D8",
	      'brvbar': '\xA6',
	      'bscr': "\uD835\uDCB7",
	      'Bscr': "\u212C",
	      'bsemi': "\u204F",
	      'bsim': "\u223D",
	      'bsime': "\u22CD",
	      'bsol': '\\',
	      'bsolb': "\u29C5",
	      'bsolhsub': "\u27C8",
	      'bull': "\u2022",
	      'bullet': "\u2022",
	      'bump': "\u224E",
	      'bumpe': "\u224F",
	      'bumpE': "\u2AAE",
	      'bumpeq': "\u224F",
	      'Bumpeq': "\u224E",
	      'cacute': "\u0107",
	      'Cacute': "\u0106",
	      'cap': "\u2229",
	      'Cap': "\u22D2",
	      'capand': "\u2A44",
	      'capbrcup': "\u2A49",
	      'capcap': "\u2A4B",
	      'capcup': "\u2A47",
	      'capdot': "\u2A40",
	      'CapitalDifferentialD': "\u2145",
	      'caps': "\u2229\uFE00",
	      'caret': "\u2041",
	      'caron': "\u02C7",
	      'Cayleys': "\u212D",
	      'ccaps': "\u2A4D",
	      'ccaron': "\u010D",
	      'Ccaron': "\u010C",
	      'ccedil': '\xE7',
	      'Ccedil': '\xC7',
	      'ccirc': "\u0109",
	      'Ccirc': "\u0108",
	      'Cconint': "\u2230",
	      'ccups': "\u2A4C",
	      'ccupssm': "\u2A50",
	      'cdot': "\u010B",
	      'Cdot': "\u010A",
	      'cedil': '\xB8',
	      'Cedilla': '\xB8',
	      'cemptyv': "\u29B2",
	      'cent': '\xA2',
	      'centerdot': '\xB7',
	      'CenterDot': '\xB7',
	      'cfr': "\uD835\uDD20",
	      'Cfr': "\u212D",
	      'chcy': "\u0447",
	      'CHcy': "\u0427",
	      'check': "\u2713",
	      'checkmark': "\u2713",
	      'chi': "\u03C7",
	      'Chi': "\u03A7",
	      'cir': "\u25CB",
	      'circ': "\u02C6",
	      'circeq': "\u2257",
	      'circlearrowleft': "\u21BA",
	      'circlearrowright': "\u21BB",
	      'circledast': "\u229B",
	      'circledcirc': "\u229A",
	      'circleddash': "\u229D",
	      'CircleDot': "\u2299",
	      'circledR': '\xAE',
	      'circledS': "\u24C8",
	      'CircleMinus': "\u2296",
	      'CirclePlus': "\u2295",
	      'CircleTimes': "\u2297",
	      'cire': "\u2257",
	      'cirE': "\u29C3",
	      'cirfnint': "\u2A10",
	      'cirmid': "\u2AEF",
	      'cirscir': "\u29C2",
	      'ClockwiseContourIntegral': "\u2232",
	      'CloseCurlyDoubleQuote': "\u201D",
	      'CloseCurlyQuote': "\u2019",
	      'clubs': "\u2663",
	      'clubsuit': "\u2663",
	      'colon': ':',
	      'Colon': "\u2237",
	      'colone': "\u2254",
	      'Colone': "\u2A74",
	      'coloneq': "\u2254",
	      'comma': ',',
	      'commat': '@',
	      'comp': "\u2201",
	      'compfn': "\u2218",
	      'complement': "\u2201",
	      'complexes': "\u2102",
	      'cong': "\u2245",
	      'congdot': "\u2A6D",
	      'Congruent': "\u2261",
	      'conint': "\u222E",
	      'Conint': "\u222F",
	      'ContourIntegral': "\u222E",
	      'copf': "\uD835\uDD54",
	      'Copf': "\u2102",
	      'coprod': "\u2210",
	      'Coproduct': "\u2210",
	      'copy': '\xA9',
	      'COPY': '\xA9',
	      'copysr': "\u2117",
	      'CounterClockwiseContourIntegral': "\u2233",
	      'crarr': "\u21B5",
	      'cross': "\u2717",
	      'Cross': "\u2A2F",
	      'cscr': "\uD835\uDCB8",
	      'Cscr': "\uD835\uDC9E",
	      'csub': "\u2ACF",
	      'csube': "\u2AD1",
	      'csup': "\u2AD0",
	      'csupe': "\u2AD2",
	      'ctdot': "\u22EF",
	      'cudarrl': "\u2938",
	      'cudarrr': "\u2935",
	      'cuepr': "\u22DE",
	      'cuesc': "\u22DF",
	      'cularr': "\u21B6",
	      'cularrp': "\u293D",
	      'cup': "\u222A",
	      'Cup': "\u22D3",
	      'cupbrcap': "\u2A48",
	      'cupcap': "\u2A46",
	      'CupCap': "\u224D",
	      'cupcup': "\u2A4A",
	      'cupdot': "\u228D",
	      'cupor': "\u2A45",
	      'cups': "\u222A\uFE00",
	      'curarr': "\u21B7",
	      'curarrm': "\u293C",
	      'curlyeqprec': "\u22DE",
	      'curlyeqsucc': "\u22DF",
	      'curlyvee': "\u22CE",
	      'curlywedge': "\u22CF",
	      'curren': '\xA4',
	      'curvearrowleft': "\u21B6",
	      'curvearrowright': "\u21B7",
	      'cuvee': "\u22CE",
	      'cuwed': "\u22CF",
	      'cwconint': "\u2232",
	      'cwint': "\u2231",
	      'cylcty': "\u232D",
	      'dagger': "\u2020",
	      'Dagger': "\u2021",
	      'daleth': "\u2138",
	      'darr': "\u2193",
	      'dArr': "\u21D3",
	      'Darr': "\u21A1",
	      'dash': "\u2010",
	      'dashv': "\u22A3",
	      'Dashv': "\u2AE4",
	      'dbkarow': "\u290F",
	      'dblac': "\u02DD",
	      'dcaron': "\u010F",
	      'Dcaron': "\u010E",
	      'dcy': "\u0434",
	      'Dcy': "\u0414",
	      'dd': "\u2146",
	      'DD': "\u2145",
	      'ddagger': "\u2021",
	      'ddarr': "\u21CA",
	      'DDotrahd': "\u2911",
	      'ddotseq': "\u2A77",
	      'deg': '\xB0',
	      'Del': "\u2207",
	      'delta': "\u03B4",
	      'Delta': "\u0394",
	      'demptyv': "\u29B1",
	      'dfisht': "\u297F",
	      'dfr': "\uD835\uDD21",
	      'Dfr': "\uD835\uDD07",
	      'dHar': "\u2965",
	      'dharl': "\u21C3",
	      'dharr': "\u21C2",
	      'DiacriticalAcute': '\xB4',
	      'DiacriticalDot': "\u02D9",
	      'DiacriticalDoubleAcute': "\u02DD",
	      'DiacriticalGrave': '`',
	      'DiacriticalTilde': "\u02DC",
	      'diam': "\u22C4",
	      'diamond': "\u22C4",
	      'Diamond': "\u22C4",
	      'diamondsuit': "\u2666",
	      'diams': "\u2666",
	      'die': '\xA8',
	      'DifferentialD': "\u2146",
	      'digamma': "\u03DD",
	      'disin': "\u22F2",
	      'div': '\xF7',
	      'divide': '\xF7',
	      'divideontimes': "\u22C7",
	      'divonx': "\u22C7",
	      'djcy': "\u0452",
	      'DJcy': "\u0402",
	      'dlcorn': "\u231E",
	      'dlcrop': "\u230D",
	      'dollar': '$',
	      'dopf': "\uD835\uDD55",
	      'Dopf': "\uD835\uDD3B",
	      'dot': "\u02D9",
	      'Dot': '\xA8',
	      'DotDot': "\u20DC",
	      'doteq': "\u2250",
	      'doteqdot': "\u2251",
	      'DotEqual': "\u2250",
	      'dotminus': "\u2238",
	      'dotplus': "\u2214",
	      'dotsquare': "\u22A1",
	      'doublebarwedge': "\u2306",
	      'DoubleContourIntegral': "\u222F",
	      'DoubleDot': '\xA8',
	      'DoubleDownArrow': "\u21D3",
	      'DoubleLeftArrow': "\u21D0",
	      'DoubleLeftRightArrow': "\u21D4",
	      'DoubleLeftTee': "\u2AE4",
	      'DoubleLongLeftArrow': "\u27F8",
	      'DoubleLongLeftRightArrow': "\u27FA",
	      'DoubleLongRightArrow': "\u27F9",
	      'DoubleRightArrow': "\u21D2",
	      'DoubleRightTee': "\u22A8",
	      'DoubleUpArrow': "\u21D1",
	      'DoubleUpDownArrow': "\u21D5",
	      'DoubleVerticalBar': "\u2225",
	      'downarrow': "\u2193",
	      'Downarrow': "\u21D3",
	      'DownArrow': "\u2193",
	      'DownArrowBar': "\u2913",
	      'DownArrowUpArrow': "\u21F5",
	      'DownBreve': "\u0311",
	      'downdownarrows': "\u21CA",
	      'downharpoonleft': "\u21C3",
	      'downharpoonright': "\u21C2",
	      'DownLeftRightVector': "\u2950",
	      'DownLeftTeeVector': "\u295E",
	      'DownLeftVector': "\u21BD",
	      'DownLeftVectorBar': "\u2956",
	      'DownRightTeeVector': "\u295F",
	      'DownRightVector': "\u21C1",
	      'DownRightVectorBar': "\u2957",
	      'DownTee': "\u22A4",
	      'DownTeeArrow': "\u21A7",
	      'drbkarow': "\u2910",
	      'drcorn': "\u231F",
	      'drcrop': "\u230C",
	      'dscr': "\uD835\uDCB9",
	      'Dscr': "\uD835\uDC9F",
	      'dscy': "\u0455",
	      'DScy': "\u0405",
	      'dsol': "\u29F6",
	      'dstrok': "\u0111",
	      'Dstrok': "\u0110",
	      'dtdot': "\u22F1",
	      'dtri': "\u25BF",
	      'dtrif': "\u25BE",
	      'duarr': "\u21F5",
	      'duhar': "\u296F",
	      'dwangle': "\u29A6",
	      'dzcy': "\u045F",
	      'DZcy': "\u040F",
	      'dzigrarr': "\u27FF",
	      'eacute': '\xE9',
	      'Eacute': '\xC9',
	      'easter': "\u2A6E",
	      'ecaron': "\u011B",
	      'Ecaron': "\u011A",
	      'ecir': "\u2256",
	      'ecirc': '\xEA',
	      'Ecirc': '\xCA',
	      'ecolon': "\u2255",
	      'ecy': "\u044D",
	      'Ecy': "\u042D",
	      'eDDot': "\u2A77",
	      'edot': "\u0117",
	      'eDot': "\u2251",
	      'Edot': "\u0116",
	      'ee': "\u2147",
	      'efDot': "\u2252",
	      'efr': "\uD835\uDD22",
	      'Efr': "\uD835\uDD08",
	      'eg': "\u2A9A",
	      'egrave': '\xE8',
	      'Egrave': '\xC8',
	      'egs': "\u2A96",
	      'egsdot': "\u2A98",
	      'el': "\u2A99",
	      'Element': "\u2208",
	      'elinters': "\u23E7",
	      'ell': "\u2113",
	      'els': "\u2A95",
	      'elsdot': "\u2A97",
	      'emacr': "\u0113",
	      'Emacr': "\u0112",
	      'empty': "\u2205",
	      'emptyset': "\u2205",
	      'EmptySmallSquare': "\u25FB",
	      'emptyv': "\u2205",
	      'EmptyVerySmallSquare': "\u25AB",
	      'emsp': "\u2003",
	      'emsp13': "\u2004",
	      'emsp14': "\u2005",
	      'eng': "\u014B",
	      'ENG': "\u014A",
	      'ensp': "\u2002",
	      'eogon': "\u0119",
	      'Eogon': "\u0118",
	      'eopf': "\uD835\uDD56",
	      'Eopf': "\uD835\uDD3C",
	      'epar': "\u22D5",
	      'eparsl': "\u29E3",
	      'eplus': "\u2A71",
	      'epsi': "\u03B5",
	      'epsilon': "\u03B5",
	      'Epsilon': "\u0395",
	      'epsiv': "\u03F5",
	      'eqcirc': "\u2256",
	      'eqcolon': "\u2255",
	      'eqsim': "\u2242",
	      'eqslantgtr': "\u2A96",
	      'eqslantless': "\u2A95",
	      'Equal': "\u2A75",
	      'equals': '=',
	      'EqualTilde': "\u2242",
	      'equest': "\u225F",
	      'Equilibrium': "\u21CC",
	      'equiv': "\u2261",
	      'equivDD': "\u2A78",
	      'eqvparsl': "\u29E5",
	      'erarr': "\u2971",
	      'erDot': "\u2253",
	      'escr': "\u212F",
	      'Escr': "\u2130",
	      'esdot': "\u2250",
	      'esim': "\u2242",
	      'Esim': "\u2A73",
	      'eta': "\u03B7",
	      'Eta': "\u0397",
	      'eth': '\xF0',
	      'ETH': '\xD0',
	      'euml': '\xEB',
	      'Euml': '\xCB',
	      'euro': "\u20AC",
	      'excl': '!',
	      'exist': "\u2203",
	      'Exists': "\u2203",
	      'expectation': "\u2130",
	      'exponentiale': "\u2147",
	      'ExponentialE': "\u2147",
	      'fallingdotseq': "\u2252",
	      'fcy': "\u0444",
	      'Fcy': "\u0424",
	      'female': "\u2640",
	      'ffilig': "\uFB03",
	      'fflig': "\uFB00",
	      'ffllig': "\uFB04",
	      'ffr': "\uD835\uDD23",
	      'Ffr': "\uD835\uDD09",
	      'filig': "\uFB01",
	      'FilledSmallSquare': "\u25FC",
	      'FilledVerySmallSquare': "\u25AA",
	      'fjlig': 'fj',
	      'flat': "\u266D",
	      'fllig': "\uFB02",
	      'fltns': "\u25B1",
	      'fnof': "\u0192",
	      'fopf': "\uD835\uDD57",
	      'Fopf': "\uD835\uDD3D",
	      'forall': "\u2200",
	      'ForAll': "\u2200",
	      'fork': "\u22D4",
	      'forkv': "\u2AD9",
	      'Fouriertrf': "\u2131",
	      'fpartint': "\u2A0D",
	      'frac12': '\xBD',
	      'frac13': "\u2153",
	      'frac14': '\xBC',
	      'frac15': "\u2155",
	      'frac16': "\u2159",
	      'frac18': "\u215B",
	      'frac23': "\u2154",
	      'frac25': "\u2156",
	      'frac34': '\xBE',
	      'frac35': "\u2157",
	      'frac38': "\u215C",
	      'frac45': "\u2158",
	      'frac56': "\u215A",
	      'frac58': "\u215D",
	      'frac78': "\u215E",
	      'frasl': "\u2044",
	      'frown': "\u2322",
	      'fscr': "\uD835\uDCBB",
	      'Fscr': "\u2131",
	      'gacute': "\u01F5",
	      'gamma': "\u03B3",
	      'Gamma': "\u0393",
	      'gammad': "\u03DD",
	      'Gammad': "\u03DC",
	      'gap': "\u2A86",
	      'gbreve': "\u011F",
	      'Gbreve': "\u011E",
	      'Gcedil': "\u0122",
	      'gcirc': "\u011D",
	      'Gcirc': "\u011C",
	      'gcy': "\u0433",
	      'Gcy': "\u0413",
	      'gdot': "\u0121",
	      'Gdot': "\u0120",
	      'ge': "\u2265",
	      'gE': "\u2267",
	      'gel': "\u22DB",
	      'gEl': "\u2A8C",
	      'geq': "\u2265",
	      'geqq': "\u2267",
	      'geqslant': "\u2A7E",
	      'ges': "\u2A7E",
	      'gescc': "\u2AA9",
	      'gesdot': "\u2A80",
	      'gesdoto': "\u2A82",
	      'gesdotol': "\u2A84",
	      'gesl': "\u22DB\uFE00",
	      'gesles': "\u2A94",
	      'gfr': "\uD835\uDD24",
	      'Gfr': "\uD835\uDD0A",
	      'gg': "\u226B",
	      'Gg': "\u22D9",
	      'ggg': "\u22D9",
	      'gimel': "\u2137",
	      'gjcy': "\u0453",
	      'GJcy': "\u0403",
	      'gl': "\u2277",
	      'gla': "\u2AA5",
	      'glE': "\u2A92",
	      'glj': "\u2AA4",
	      'gnap': "\u2A8A",
	      'gnapprox': "\u2A8A",
	      'gne': "\u2A88",
	      'gnE': "\u2269",
	      'gneq': "\u2A88",
	      'gneqq': "\u2269",
	      'gnsim': "\u22E7",
	      'gopf': "\uD835\uDD58",
	      'Gopf': "\uD835\uDD3E",
	      'grave': '`',
	      'GreaterEqual': "\u2265",
	      'GreaterEqualLess': "\u22DB",
	      'GreaterFullEqual': "\u2267",
	      'GreaterGreater': "\u2AA2",
	      'GreaterLess': "\u2277",
	      'GreaterSlantEqual': "\u2A7E",
	      'GreaterTilde': "\u2273",
	      'gscr': "\u210A",
	      'Gscr': "\uD835\uDCA2",
	      'gsim': "\u2273",
	      'gsime': "\u2A8E",
	      'gsiml': "\u2A90",
	      'gt': '>',
	      'Gt': "\u226B",
	      'GT': '>',
	      'gtcc': "\u2AA7",
	      'gtcir': "\u2A7A",
	      'gtdot': "\u22D7",
	      'gtlPar': "\u2995",
	      'gtquest': "\u2A7C",
	      'gtrapprox': "\u2A86",
	      'gtrarr': "\u2978",
	      'gtrdot': "\u22D7",
	      'gtreqless': "\u22DB",
	      'gtreqqless': "\u2A8C",
	      'gtrless': "\u2277",
	      'gtrsim': "\u2273",
	      'gvertneqq': "\u2269\uFE00",
	      'gvnE': "\u2269\uFE00",
	      'Hacek': "\u02C7",
	      'hairsp': "\u200A",
	      'half': '\xBD',
	      'hamilt': "\u210B",
	      'hardcy': "\u044A",
	      'HARDcy': "\u042A",
	      'harr': "\u2194",
	      'hArr': "\u21D4",
	      'harrcir': "\u2948",
	      'harrw': "\u21AD",
	      'Hat': '^',
	      'hbar': "\u210F",
	      'hcirc': "\u0125",
	      'Hcirc': "\u0124",
	      'hearts': "\u2665",
	      'heartsuit': "\u2665",
	      'hellip': "\u2026",
	      'hercon': "\u22B9",
	      'hfr': "\uD835\uDD25",
	      'Hfr': "\u210C",
	      'HilbertSpace': "\u210B",
	      'hksearow': "\u2925",
	      'hkswarow': "\u2926",
	      'hoarr': "\u21FF",
	      'homtht': "\u223B",
	      'hookleftarrow': "\u21A9",
	      'hookrightarrow': "\u21AA",
	      'hopf': "\uD835\uDD59",
	      'Hopf': "\u210D",
	      'horbar': "\u2015",
	      'HorizontalLine': "\u2500",
	      'hscr': "\uD835\uDCBD",
	      'Hscr': "\u210B",
	      'hslash': "\u210F",
	      'hstrok': "\u0127",
	      'Hstrok': "\u0126",
	      'HumpDownHump': "\u224E",
	      'HumpEqual': "\u224F",
	      'hybull': "\u2043",
	      'hyphen': "\u2010",
	      'iacute': '\xED',
	      'Iacute': '\xCD',
	      'ic': "\u2063",
	      'icirc': '\xEE',
	      'Icirc': '\xCE',
	      'icy': "\u0438",
	      'Icy': "\u0418",
	      'Idot': "\u0130",
	      'iecy': "\u0435",
	      'IEcy': "\u0415",
	      'iexcl': '\xA1',
	      'iff': "\u21D4",
	      'ifr': "\uD835\uDD26",
	      'Ifr': "\u2111",
	      'igrave': '\xEC',
	      'Igrave': '\xCC',
	      'ii': "\u2148",
	      'iiiint': "\u2A0C",
	      'iiint': "\u222D",
	      'iinfin': "\u29DC",
	      'iiota': "\u2129",
	      'ijlig': "\u0133",
	      'IJlig': "\u0132",
	      'Im': "\u2111",
	      'imacr': "\u012B",
	      'Imacr': "\u012A",
	      'image': "\u2111",
	      'ImaginaryI': "\u2148",
	      'imagline': "\u2110",
	      'imagpart': "\u2111",
	      'imath': "\u0131",
	      'imof': "\u22B7",
	      'imped': "\u01B5",
	      'Implies': "\u21D2",
	      'in': "\u2208",
	      'incare': "\u2105",
	      'infin': "\u221E",
	      'infintie': "\u29DD",
	      'inodot': "\u0131",
	      'int': "\u222B",
	      'Int': "\u222C",
	      'intcal': "\u22BA",
	      'integers': "\u2124",
	      'Integral': "\u222B",
	      'intercal': "\u22BA",
	      'Intersection': "\u22C2",
	      'intlarhk': "\u2A17",
	      'intprod': "\u2A3C",
	      'InvisibleComma': "\u2063",
	      'InvisibleTimes': "\u2062",
	      'iocy': "\u0451",
	      'IOcy': "\u0401",
	      'iogon': "\u012F",
	      'Iogon': "\u012E",
	      'iopf': "\uD835\uDD5A",
	      'Iopf': "\uD835\uDD40",
	      'iota': "\u03B9",
	      'Iota': "\u0399",
	      'iprod': "\u2A3C",
	      'iquest': '\xBF',
	      'iscr': "\uD835\uDCBE",
	      'Iscr': "\u2110",
	      'isin': "\u2208",
	      'isindot': "\u22F5",
	      'isinE': "\u22F9",
	      'isins': "\u22F4",
	      'isinsv': "\u22F3",
	      'isinv': "\u2208",
	      'it': "\u2062",
	      'itilde': "\u0129",
	      'Itilde': "\u0128",
	      'iukcy': "\u0456",
	      'Iukcy': "\u0406",
	      'iuml': '\xEF',
	      'Iuml': '\xCF',
	      'jcirc': "\u0135",
	      'Jcirc': "\u0134",
	      'jcy': "\u0439",
	      'Jcy': "\u0419",
	      'jfr': "\uD835\uDD27",
	      'Jfr': "\uD835\uDD0D",
	      'jmath': "\u0237",
	      'jopf': "\uD835\uDD5B",
	      'Jopf': "\uD835\uDD41",
	      'jscr': "\uD835\uDCBF",
	      'Jscr': "\uD835\uDCA5",
	      'jsercy': "\u0458",
	      'Jsercy': "\u0408",
	      'jukcy': "\u0454",
	      'Jukcy': "\u0404",
	      'kappa': "\u03BA",
	      'Kappa': "\u039A",
	      'kappav': "\u03F0",
	      'kcedil': "\u0137",
	      'Kcedil': "\u0136",
	      'kcy': "\u043A",
	      'Kcy': "\u041A",
	      'kfr': "\uD835\uDD28",
	      'Kfr': "\uD835\uDD0E",
	      'kgreen': "\u0138",
	      'khcy': "\u0445",
	      'KHcy': "\u0425",
	      'kjcy': "\u045C",
	      'KJcy': "\u040C",
	      'kopf': "\uD835\uDD5C",
	      'Kopf': "\uD835\uDD42",
	      'kscr': "\uD835\uDCC0",
	      'Kscr': "\uD835\uDCA6",
	      'lAarr': "\u21DA",
	      'lacute': "\u013A",
	      'Lacute': "\u0139",
	      'laemptyv': "\u29B4",
	      'lagran': "\u2112",
	      'lambda': "\u03BB",
	      'Lambda': "\u039B",
	      'lang': "\u27E8",
	      'Lang': "\u27EA",
	      'langd': "\u2991",
	      'langle': "\u27E8",
	      'lap': "\u2A85",
	      'Laplacetrf': "\u2112",
	      'laquo': '\xAB',
	      'larr': "\u2190",
	      'lArr': "\u21D0",
	      'Larr': "\u219E",
	      'larrb': "\u21E4",
	      'larrbfs': "\u291F",
	      'larrfs': "\u291D",
	      'larrhk': "\u21A9",
	      'larrlp': "\u21AB",
	      'larrpl': "\u2939",
	      'larrsim': "\u2973",
	      'larrtl': "\u21A2",
	      'lat': "\u2AAB",
	      'latail': "\u2919",
	      'lAtail': "\u291B",
	      'late': "\u2AAD",
	      'lates': "\u2AAD\uFE00",
	      'lbarr': "\u290C",
	      'lBarr': "\u290E",
	      'lbbrk': "\u2772",
	      'lbrace': '{',
	      'lbrack': '[',
	      'lbrke': "\u298B",
	      'lbrksld': "\u298F",
	      'lbrkslu': "\u298D",
	      'lcaron': "\u013E",
	      'Lcaron': "\u013D",
	      'lcedil': "\u013C",
	      'Lcedil': "\u013B",
	      'lceil': "\u2308",
	      'lcub': '{',
	      'lcy': "\u043B",
	      'Lcy': "\u041B",
	      'ldca': "\u2936",
	      'ldquo': "\u201C",
	      'ldquor': "\u201E",
	      'ldrdhar': "\u2967",
	      'ldrushar': "\u294B",
	      'ldsh': "\u21B2",
	      'le': "\u2264",
	      'lE': "\u2266",
	      'LeftAngleBracket': "\u27E8",
	      'leftarrow': "\u2190",
	      'Leftarrow': "\u21D0",
	      'LeftArrow': "\u2190",
	      'LeftArrowBar': "\u21E4",
	      'LeftArrowRightArrow': "\u21C6",
	      'leftarrowtail': "\u21A2",
	      'LeftCeiling': "\u2308",
	      'LeftDoubleBracket': "\u27E6",
	      'LeftDownTeeVector': "\u2961",
	      'LeftDownVector': "\u21C3",
	      'LeftDownVectorBar': "\u2959",
	      'LeftFloor': "\u230A",
	      'leftharpoondown': "\u21BD",
	      'leftharpoonup': "\u21BC",
	      'leftleftarrows': "\u21C7",
	      'leftrightarrow': "\u2194",
	      'Leftrightarrow': "\u21D4",
	      'LeftRightArrow': "\u2194",
	      'leftrightarrows': "\u21C6",
	      'leftrightharpoons': "\u21CB",
	      'leftrightsquigarrow': "\u21AD",
	      'LeftRightVector': "\u294E",
	      'LeftTee': "\u22A3",
	      'LeftTeeArrow': "\u21A4",
	      'LeftTeeVector': "\u295A",
	      'leftthreetimes': "\u22CB",
	      'LeftTriangle': "\u22B2",
	      'LeftTriangleBar': "\u29CF",
	      'LeftTriangleEqual': "\u22B4",
	      'LeftUpDownVector': "\u2951",
	      'LeftUpTeeVector': "\u2960",
	      'LeftUpVector': "\u21BF",
	      'LeftUpVectorBar': "\u2958",
	      'LeftVector': "\u21BC",
	      'LeftVectorBar': "\u2952",
	      'leg': "\u22DA",
	      'lEg': "\u2A8B",
	      'leq': "\u2264",
	      'leqq': "\u2266",
	      'leqslant': "\u2A7D",
	      'les': "\u2A7D",
	      'lescc': "\u2AA8",
	      'lesdot': "\u2A7F",
	      'lesdoto': "\u2A81",
	      'lesdotor': "\u2A83",
	      'lesg': "\u22DA\uFE00",
	      'lesges': "\u2A93",
	      'lessapprox': "\u2A85",
	      'lessdot': "\u22D6",
	      'lesseqgtr': "\u22DA",
	      'lesseqqgtr': "\u2A8B",
	      'LessEqualGreater': "\u22DA",
	      'LessFullEqual': "\u2266",
	      'LessGreater': "\u2276",
	      'lessgtr': "\u2276",
	      'LessLess': "\u2AA1",
	      'lesssim': "\u2272",
	      'LessSlantEqual': "\u2A7D",
	      'LessTilde': "\u2272",
	      'lfisht': "\u297C",
	      'lfloor': "\u230A",
	      'lfr': "\uD835\uDD29",
	      'Lfr': "\uD835\uDD0F",
	      'lg': "\u2276",
	      'lgE': "\u2A91",
	      'lHar': "\u2962",
	      'lhard': "\u21BD",
	      'lharu': "\u21BC",
	      'lharul': "\u296A",
	      'lhblk': "\u2584",
	      'ljcy': "\u0459",
	      'LJcy': "\u0409",
	      'll': "\u226A",
	      'Ll': "\u22D8",
	      'llarr': "\u21C7",
	      'llcorner': "\u231E",
	      'Lleftarrow': "\u21DA",
	      'llhard': "\u296B",
	      'lltri': "\u25FA",
	      'lmidot': "\u0140",
	      'Lmidot': "\u013F",
	      'lmoust': "\u23B0",
	      'lmoustache': "\u23B0",
	      'lnap': "\u2A89",
	      'lnapprox': "\u2A89",
	      'lne': "\u2A87",
	      'lnE': "\u2268",
	      'lneq': "\u2A87",
	      'lneqq': "\u2268",
	      'lnsim': "\u22E6",
	      'loang': "\u27EC",
	      'loarr': "\u21FD",
	      'lobrk': "\u27E6",
	      'longleftarrow': "\u27F5",
	      'Longleftarrow': "\u27F8",
	      'LongLeftArrow': "\u27F5",
	      'longleftrightarrow': "\u27F7",
	      'Longleftrightarrow': "\u27FA",
	      'LongLeftRightArrow': "\u27F7",
	      'longmapsto': "\u27FC",
	      'longrightarrow': "\u27F6",
	      'Longrightarrow': "\u27F9",
	      'LongRightArrow': "\u27F6",
	      'looparrowleft': "\u21AB",
	      'looparrowright': "\u21AC",
	      'lopar': "\u2985",
	      'lopf': "\uD835\uDD5D",
	      'Lopf': "\uD835\uDD43",
	      'loplus': "\u2A2D",
	      'lotimes': "\u2A34",
	      'lowast': "\u2217",
	      'lowbar': '_',
	      'LowerLeftArrow': "\u2199",
	      'LowerRightArrow': "\u2198",
	      'loz': "\u25CA",
	      'lozenge': "\u25CA",
	      'lozf': "\u29EB",
	      'lpar': '(',
	      'lparlt': "\u2993",
	      'lrarr': "\u21C6",
	      'lrcorner': "\u231F",
	      'lrhar': "\u21CB",
	      'lrhard': "\u296D",
	      'lrm': "\u200E",
	      'lrtri': "\u22BF",
	      'lsaquo': "\u2039",
	      'lscr': "\uD835\uDCC1",
	      'Lscr': "\u2112",
	      'lsh': "\u21B0",
	      'Lsh': "\u21B0",
	      'lsim': "\u2272",
	      'lsime': "\u2A8D",
	      'lsimg': "\u2A8F",
	      'lsqb': '[',
	      'lsquo': "\u2018",
	      'lsquor': "\u201A",
	      'lstrok': "\u0142",
	      'Lstrok': "\u0141",
	      'lt': '<',
	      'Lt': "\u226A",
	      'LT': '<',
	      'ltcc': "\u2AA6",
	      'ltcir': "\u2A79",
	      'ltdot': "\u22D6",
	      'lthree': "\u22CB",
	      'ltimes': "\u22C9",
	      'ltlarr': "\u2976",
	      'ltquest': "\u2A7B",
	      'ltri': "\u25C3",
	      'ltrie': "\u22B4",
	      'ltrif': "\u25C2",
	      'ltrPar': "\u2996",
	      'lurdshar': "\u294A",
	      'luruhar': "\u2966",
	      'lvertneqq': "\u2268\uFE00",
	      'lvnE': "\u2268\uFE00",
	      'macr': '\xAF',
	      'male': "\u2642",
	      'malt': "\u2720",
	      'maltese': "\u2720",
	      'map': "\u21A6",
	      'Map': "\u2905",
	      'mapsto': "\u21A6",
	      'mapstodown': "\u21A7",
	      'mapstoleft': "\u21A4",
	      'mapstoup': "\u21A5",
	      'marker': "\u25AE",
	      'mcomma': "\u2A29",
	      'mcy': "\u043C",
	      'Mcy': "\u041C",
	      'mdash': "\u2014",
	      'mDDot': "\u223A",
	      'measuredangle': "\u2221",
	      'MediumSpace': "\u205F",
	      'Mellintrf': "\u2133",
	      'mfr': "\uD835\uDD2A",
	      'Mfr': "\uD835\uDD10",
	      'mho': "\u2127",
	      'micro': '\xB5',
	      'mid': "\u2223",
	      'midast': '*',
	      'midcir': "\u2AF0",
	      'middot': '\xB7',
	      'minus': "\u2212",
	      'minusb': "\u229F",
	      'minusd': "\u2238",
	      'minusdu': "\u2A2A",
	      'MinusPlus': "\u2213",
	      'mlcp': "\u2ADB",
	      'mldr': "\u2026",
	      'mnplus': "\u2213",
	      'models': "\u22A7",
	      'mopf': "\uD835\uDD5E",
	      'Mopf': "\uD835\uDD44",
	      'mp': "\u2213",
	      'mscr': "\uD835\uDCC2",
	      'Mscr': "\u2133",
	      'mstpos': "\u223E",
	      'mu': "\u03BC",
	      'Mu': "\u039C",
	      'multimap': "\u22B8",
	      'mumap': "\u22B8",
	      'nabla': "\u2207",
	      'nacute': "\u0144",
	      'Nacute': "\u0143",
	      'nang': "\u2220\u20D2",
	      'nap': "\u2249",
	      'napE': "\u2A70\u0338",
	      'napid': "\u224B\u0338",
	      'napos': "\u0149",
	      'napprox': "\u2249",
	      'natur': "\u266E",
	      'natural': "\u266E",
	      'naturals': "\u2115",
	      'nbsp': '\xA0',
	      'nbump': "\u224E\u0338",
	      'nbumpe': "\u224F\u0338",
	      'ncap': "\u2A43",
	      'ncaron': "\u0148",
	      'Ncaron': "\u0147",
	      'ncedil': "\u0146",
	      'Ncedil': "\u0145",
	      'ncong': "\u2247",
	      'ncongdot': "\u2A6D\u0338",
	      'ncup': "\u2A42",
	      'ncy': "\u043D",
	      'Ncy': "\u041D",
	      'ndash': "\u2013",
	      'ne': "\u2260",
	      'nearhk': "\u2924",
	      'nearr': "\u2197",
	      'neArr': "\u21D7",
	      'nearrow': "\u2197",
	      'nedot': "\u2250\u0338",
	      'NegativeMediumSpace': "\u200B",
	      'NegativeThickSpace': "\u200B",
	      'NegativeThinSpace': "\u200B",
	      'NegativeVeryThinSpace': "\u200B",
	      'nequiv': "\u2262",
	      'nesear': "\u2928",
	      'nesim': "\u2242\u0338",
	      'NestedGreaterGreater': "\u226B",
	      'NestedLessLess': "\u226A",
	      'NewLine': '\n',
	      'nexist': "\u2204",
	      'nexists': "\u2204",
	      'nfr': "\uD835\uDD2B",
	      'Nfr': "\uD835\uDD11",
	      'nge': "\u2271",
	      'ngE': "\u2267\u0338",
	      'ngeq': "\u2271",
	      'ngeqq': "\u2267\u0338",
	      'ngeqslant': "\u2A7E\u0338",
	      'nges': "\u2A7E\u0338",
	      'nGg': "\u22D9\u0338",
	      'ngsim': "\u2275",
	      'ngt': "\u226F",
	      'nGt': "\u226B\u20D2",
	      'ngtr': "\u226F",
	      'nGtv': "\u226B\u0338",
	      'nharr': "\u21AE",
	      'nhArr': "\u21CE",
	      'nhpar': "\u2AF2",
	      'ni': "\u220B",
	      'nis': "\u22FC",
	      'nisd': "\u22FA",
	      'niv': "\u220B",
	      'njcy': "\u045A",
	      'NJcy': "\u040A",
	      'nlarr': "\u219A",
	      'nlArr': "\u21CD",
	      'nldr': "\u2025",
	      'nle': "\u2270",
	      'nlE': "\u2266\u0338",
	      'nleftarrow': "\u219A",
	      'nLeftarrow': "\u21CD",
	      'nleftrightarrow': "\u21AE",
	      'nLeftrightarrow': "\u21CE",
	      'nleq': "\u2270",
	      'nleqq': "\u2266\u0338",
	      'nleqslant': "\u2A7D\u0338",
	      'nles': "\u2A7D\u0338",
	      'nless': "\u226E",
	      'nLl': "\u22D8\u0338",
	      'nlsim': "\u2274",
	      'nlt': "\u226E",
	      'nLt': "\u226A\u20D2",
	      'nltri': "\u22EA",
	      'nltrie': "\u22EC",
	      'nLtv': "\u226A\u0338",
	      'nmid': "\u2224",
	      'NoBreak': "\u2060",
	      'NonBreakingSpace': '\xA0',
	      'nopf': "\uD835\uDD5F",
	      'Nopf': "\u2115",
	      'not': '\xAC',
	      'Not': "\u2AEC",
	      'NotCongruent': "\u2262",
	      'NotCupCap': "\u226D",
	      'NotDoubleVerticalBar': "\u2226",
	      'NotElement': "\u2209",
	      'NotEqual': "\u2260",
	      'NotEqualTilde': "\u2242\u0338",
	      'NotExists': "\u2204",
	      'NotGreater': "\u226F",
	      'NotGreaterEqual': "\u2271",
	      'NotGreaterFullEqual': "\u2267\u0338",
	      'NotGreaterGreater': "\u226B\u0338",
	      'NotGreaterLess': "\u2279",
	      'NotGreaterSlantEqual': "\u2A7E\u0338",
	      'NotGreaterTilde': "\u2275",
	      'NotHumpDownHump': "\u224E\u0338",
	      'NotHumpEqual': "\u224F\u0338",
	      'notin': "\u2209",
	      'notindot': "\u22F5\u0338",
	      'notinE': "\u22F9\u0338",
	      'notinva': "\u2209",
	      'notinvb': "\u22F7",
	      'notinvc': "\u22F6",
	      'NotLeftTriangle': "\u22EA",
	      'NotLeftTriangleBar': "\u29CF\u0338",
	      'NotLeftTriangleEqual': "\u22EC",
	      'NotLess': "\u226E",
	      'NotLessEqual': "\u2270",
	      'NotLessGreater': "\u2278",
	      'NotLessLess': "\u226A\u0338",
	      'NotLessSlantEqual': "\u2A7D\u0338",
	      'NotLessTilde': "\u2274",
	      'NotNestedGreaterGreater': "\u2AA2\u0338",
	      'NotNestedLessLess': "\u2AA1\u0338",
	      'notni': "\u220C",
	      'notniva': "\u220C",
	      'notnivb': "\u22FE",
	      'notnivc': "\u22FD",
	      'NotPrecedes': "\u2280",
	      'NotPrecedesEqual': "\u2AAF\u0338",
	      'NotPrecedesSlantEqual': "\u22E0",
	      'NotReverseElement': "\u220C",
	      'NotRightTriangle': "\u22EB",
	      'NotRightTriangleBar': "\u29D0\u0338",
	      'NotRightTriangleEqual': "\u22ED",
	      'NotSquareSubset': "\u228F\u0338",
	      'NotSquareSubsetEqual': "\u22E2",
	      'NotSquareSuperset': "\u2290\u0338",
	      'NotSquareSupersetEqual': "\u22E3",
	      'NotSubset': "\u2282\u20D2",
	      'NotSubsetEqual': "\u2288",
	      'NotSucceeds': "\u2281",
	      'NotSucceedsEqual': "\u2AB0\u0338",
	      'NotSucceedsSlantEqual': "\u22E1",
	      'NotSucceedsTilde': "\u227F\u0338",
	      'NotSuperset': "\u2283\u20D2",
	      'NotSupersetEqual': "\u2289",
	      'NotTilde': "\u2241",
	      'NotTildeEqual': "\u2244",
	      'NotTildeFullEqual': "\u2247",
	      'NotTildeTilde': "\u2249",
	      'NotVerticalBar': "\u2224",
	      'npar': "\u2226",
	      'nparallel': "\u2226",
	      'nparsl': "\u2AFD\u20E5",
	      'npart': "\u2202\u0338",
	      'npolint': "\u2A14",
	      'npr': "\u2280",
	      'nprcue': "\u22E0",
	      'npre': "\u2AAF\u0338",
	      'nprec': "\u2280",
	      'npreceq': "\u2AAF\u0338",
	      'nrarr': "\u219B",
	      'nrArr': "\u21CF",
	      'nrarrc': "\u2933\u0338",
	      'nrarrw': "\u219D\u0338",
	      'nrightarrow': "\u219B",
	      'nRightarrow': "\u21CF",
	      'nrtri': "\u22EB",
	      'nrtrie': "\u22ED",
	      'nsc': "\u2281",
	      'nsccue': "\u22E1",
	      'nsce': "\u2AB0\u0338",
	      'nscr': "\uD835\uDCC3",
	      'Nscr': "\uD835\uDCA9",
	      'nshortmid': "\u2224",
	      'nshortparallel': "\u2226",
	      'nsim': "\u2241",
	      'nsime': "\u2244",
	      'nsimeq': "\u2244",
	      'nsmid': "\u2224",
	      'nspar': "\u2226",
	      'nsqsube': "\u22E2",
	      'nsqsupe': "\u22E3",
	      'nsub': "\u2284",
	      'nsube': "\u2288",
	      'nsubE': "\u2AC5\u0338",
	      'nsubset': "\u2282\u20D2",
	      'nsubseteq': "\u2288",
	      'nsubseteqq': "\u2AC5\u0338",
	      'nsucc': "\u2281",
	      'nsucceq': "\u2AB0\u0338",
	      'nsup': "\u2285",
	      'nsupe': "\u2289",
	      'nsupE': "\u2AC6\u0338",
	      'nsupset': "\u2283\u20D2",
	      'nsupseteq': "\u2289",
	      'nsupseteqq': "\u2AC6\u0338",
	      'ntgl': "\u2279",
	      'ntilde': '\xF1',
	      'Ntilde': '\xD1',
	      'ntlg': "\u2278",
	      'ntriangleleft': "\u22EA",
	      'ntrianglelefteq': "\u22EC",
	      'ntriangleright': "\u22EB",
	      'ntrianglerighteq': "\u22ED",
	      'nu': "\u03BD",
	      'Nu': "\u039D",
	      'num': '#',
	      'numero': "\u2116",
	      'numsp': "\u2007",
	      'nvap': "\u224D\u20D2",
	      'nvdash': "\u22AC",
	      'nvDash': "\u22AD",
	      'nVdash': "\u22AE",
	      'nVDash': "\u22AF",
	      'nvge': "\u2265\u20D2",
	      'nvgt': ">\u20D2",
	      'nvHarr': "\u2904",
	      'nvinfin': "\u29DE",
	      'nvlArr': "\u2902",
	      'nvle': "\u2264\u20D2",
	      'nvlt': "<\u20D2",
	      'nvltrie': "\u22B4\u20D2",
	      'nvrArr': "\u2903",
	      'nvrtrie': "\u22B5\u20D2",
	      'nvsim': "\u223C\u20D2",
	      'nwarhk': "\u2923",
	      'nwarr': "\u2196",
	      'nwArr': "\u21D6",
	      'nwarrow': "\u2196",
	      'nwnear': "\u2927",
	      'oacute': '\xF3',
	      'Oacute': '\xD3',
	      'oast': "\u229B",
	      'ocir': "\u229A",
	      'ocirc': '\xF4',
	      'Ocirc': '\xD4',
	      'ocy': "\u043E",
	      'Ocy': "\u041E",
	      'odash': "\u229D",
	      'odblac': "\u0151",
	      'Odblac': "\u0150",
	      'odiv': "\u2A38",
	      'odot': "\u2299",
	      'odsold': "\u29BC",
	      'oelig': "\u0153",
	      'OElig': "\u0152",
	      'ofcir': "\u29BF",
	      'ofr': "\uD835\uDD2C",
	      'Ofr': "\uD835\uDD12",
	      'ogon': "\u02DB",
	      'ograve': '\xF2',
	      'Ograve': '\xD2',
	      'ogt': "\u29C1",
	      'ohbar': "\u29B5",
	      'ohm': "\u03A9",
	      'oint': "\u222E",
	      'olarr': "\u21BA",
	      'olcir': "\u29BE",
	      'olcross': "\u29BB",
	      'oline': "\u203E",
	      'olt': "\u29C0",
	      'omacr': "\u014D",
	      'Omacr': "\u014C",
	      'omega': "\u03C9",
	      'Omega': "\u03A9",
	      'omicron': "\u03BF",
	      'Omicron': "\u039F",
	      'omid': "\u29B6",
	      'ominus': "\u2296",
	      'oopf': "\uD835\uDD60",
	      'Oopf': "\uD835\uDD46",
	      'opar': "\u29B7",
	      'OpenCurlyDoubleQuote': "\u201C",
	      'OpenCurlyQuote': "\u2018",
	      'operp': "\u29B9",
	      'oplus': "\u2295",
	      'or': "\u2228",
	      'Or': "\u2A54",
	      'orarr': "\u21BB",
	      'ord': "\u2A5D",
	      'order': "\u2134",
	      'orderof': "\u2134",
	      'ordf': '\xAA',
	      'ordm': '\xBA',
	      'origof': "\u22B6",
	      'oror': "\u2A56",
	      'orslope': "\u2A57",
	      'orv': "\u2A5B",
	      'oS': "\u24C8",
	      'oscr': "\u2134",
	      'Oscr': "\uD835\uDCAA",
	      'oslash': '\xF8',
	      'Oslash': '\xD8',
	      'osol': "\u2298",
	      'otilde': '\xF5',
	      'Otilde': '\xD5',
	      'otimes': "\u2297",
	      'Otimes': "\u2A37",
	      'otimesas': "\u2A36",
	      'ouml': '\xF6',
	      'Ouml': '\xD6',
	      'ovbar': "\u233D",
	      'OverBar': "\u203E",
	      'OverBrace': "\u23DE",
	      'OverBracket': "\u23B4",
	      'OverParenthesis': "\u23DC",
	      'par': "\u2225",
	      'para': '\xB6',
	      'parallel': "\u2225",
	      'parsim': "\u2AF3",
	      'parsl': "\u2AFD",
	      'part': "\u2202",
	      'PartialD': "\u2202",
	      'pcy': "\u043F",
	      'Pcy': "\u041F",
	      'percnt': '%',
	      'period': '.',
	      'permil': "\u2030",
	      'perp': "\u22A5",
	      'pertenk': "\u2031",
	      'pfr': "\uD835\uDD2D",
	      'Pfr': "\uD835\uDD13",
	      'phi': "\u03C6",
	      'Phi': "\u03A6",
	      'phiv': "\u03D5",
	      'phmmat': "\u2133",
	      'phone': "\u260E",
	      'pi': "\u03C0",
	      'Pi': "\u03A0",
	      'pitchfork': "\u22D4",
	      'piv': "\u03D6",
	      'planck': "\u210F",
	      'planckh': "\u210E",
	      'plankv': "\u210F",
	      'plus': '+',
	      'plusacir': "\u2A23",
	      'plusb': "\u229E",
	      'pluscir': "\u2A22",
	      'plusdo': "\u2214",
	      'plusdu': "\u2A25",
	      'pluse': "\u2A72",
	      'PlusMinus': '\xB1',
	      'plusmn': '\xB1',
	      'plussim': "\u2A26",
	      'plustwo': "\u2A27",
	      'pm': '\xB1',
	      'Poincareplane': "\u210C",
	      'pointint': "\u2A15",
	      'popf': "\uD835\uDD61",
	      'Popf': "\u2119",
	      'pound': '\xA3',
	      'pr': "\u227A",
	      'Pr': "\u2ABB",
	      'prap': "\u2AB7",
	      'prcue': "\u227C",
	      'pre': "\u2AAF",
	      'prE': "\u2AB3",
	      'prec': "\u227A",
	      'precapprox': "\u2AB7",
	      'preccurlyeq': "\u227C",
	      'Precedes': "\u227A",
	      'PrecedesEqual': "\u2AAF",
	      'PrecedesSlantEqual': "\u227C",
	      'PrecedesTilde': "\u227E",
	      'preceq': "\u2AAF",
	      'precnapprox': "\u2AB9",
	      'precneqq': "\u2AB5",
	      'precnsim': "\u22E8",
	      'precsim': "\u227E",
	      'prime': "\u2032",
	      'Prime': "\u2033",
	      'primes': "\u2119",
	      'prnap': "\u2AB9",
	      'prnE': "\u2AB5",
	      'prnsim': "\u22E8",
	      'prod': "\u220F",
	      'Product': "\u220F",
	      'profalar': "\u232E",
	      'profline': "\u2312",
	      'profsurf': "\u2313",
	      'prop': "\u221D",
	      'Proportion': "\u2237",
	      'Proportional': "\u221D",
	      'propto': "\u221D",
	      'prsim': "\u227E",
	      'prurel': "\u22B0",
	      'pscr': "\uD835\uDCC5",
	      'Pscr': "\uD835\uDCAB",
	      'psi': "\u03C8",
	      'Psi': "\u03A8",
	      'puncsp': "\u2008",
	      'qfr': "\uD835\uDD2E",
	      'Qfr': "\uD835\uDD14",
	      'qint': "\u2A0C",
	      'qopf': "\uD835\uDD62",
	      'Qopf': "\u211A",
	      'qprime': "\u2057",
	      'qscr': "\uD835\uDCC6",
	      'Qscr': "\uD835\uDCAC",
	      'quaternions': "\u210D",
	      'quatint': "\u2A16",
	      'quest': '?',
	      'questeq': "\u225F",
	      'quot': '"',
	      'QUOT': '"',
	      'rAarr': "\u21DB",
	      'race': "\u223D\u0331",
	      'racute': "\u0155",
	      'Racute': "\u0154",
	      'radic': "\u221A",
	      'raemptyv': "\u29B3",
	      'rang': "\u27E9",
	      'Rang': "\u27EB",
	      'rangd': "\u2992",
	      'range': "\u29A5",
	      'rangle': "\u27E9",
	      'raquo': '\xBB',
	      'rarr': "\u2192",
	      'rArr': "\u21D2",
	      'Rarr': "\u21A0",
	      'rarrap': "\u2975",
	      'rarrb': "\u21E5",
	      'rarrbfs': "\u2920",
	      'rarrc': "\u2933",
	      'rarrfs': "\u291E",
	      'rarrhk': "\u21AA",
	      'rarrlp': "\u21AC",
	      'rarrpl': "\u2945",
	      'rarrsim': "\u2974",
	      'rarrtl': "\u21A3",
	      'Rarrtl': "\u2916",
	      'rarrw': "\u219D",
	      'ratail': "\u291A",
	      'rAtail': "\u291C",
	      'ratio': "\u2236",
	      'rationals': "\u211A",
	      'rbarr': "\u290D",
	      'rBarr': "\u290F",
	      'RBarr': "\u2910",
	      'rbbrk': "\u2773",
	      'rbrace': '}',
	      'rbrack': ']',
	      'rbrke': "\u298C",
	      'rbrksld': "\u298E",
	      'rbrkslu': "\u2990",
	      'rcaron': "\u0159",
	      'Rcaron': "\u0158",
	      'rcedil': "\u0157",
	      'Rcedil': "\u0156",
	      'rceil': "\u2309",
	      'rcub': '}',
	      'rcy': "\u0440",
	      'Rcy': "\u0420",
	      'rdca': "\u2937",
	      'rdldhar': "\u2969",
	      'rdquo': "\u201D",
	      'rdquor': "\u201D",
	      'rdsh': "\u21B3",
	      'Re': "\u211C",
	      'real': "\u211C",
	      'realine': "\u211B",
	      'realpart': "\u211C",
	      'reals': "\u211D",
	      'rect': "\u25AD",
	      'reg': '\xAE',
	      'REG': '\xAE',
	      'ReverseElement': "\u220B",
	      'ReverseEquilibrium': "\u21CB",
	      'ReverseUpEquilibrium': "\u296F",
	      'rfisht': "\u297D",
	      'rfloor': "\u230B",
	      'rfr': "\uD835\uDD2F",
	      'Rfr': "\u211C",
	      'rHar': "\u2964",
	      'rhard': "\u21C1",
	      'rharu': "\u21C0",
	      'rharul': "\u296C",
	      'rho': "\u03C1",
	      'Rho': "\u03A1",
	      'rhov': "\u03F1",
	      'RightAngleBracket': "\u27E9",
	      'rightarrow': "\u2192",
	      'Rightarrow': "\u21D2",
	      'RightArrow': "\u2192",
	      'RightArrowBar': "\u21E5",
	      'RightArrowLeftArrow': "\u21C4",
	      'rightarrowtail': "\u21A3",
	      'RightCeiling': "\u2309",
	      'RightDoubleBracket': "\u27E7",
	      'RightDownTeeVector': "\u295D",
	      'RightDownVector': "\u21C2",
	      'RightDownVectorBar': "\u2955",
	      'RightFloor': "\u230B",
	      'rightharpoondown': "\u21C1",
	      'rightharpoonup': "\u21C0",
	      'rightleftarrows': "\u21C4",
	      'rightleftharpoons': "\u21CC",
	      'rightrightarrows': "\u21C9",
	      'rightsquigarrow': "\u219D",
	      'RightTee': "\u22A2",
	      'RightTeeArrow': "\u21A6",
	      'RightTeeVector': "\u295B",
	      'rightthreetimes': "\u22CC",
	      'RightTriangle': "\u22B3",
	      'RightTriangleBar': "\u29D0",
	      'RightTriangleEqual': "\u22B5",
	      'RightUpDownVector': "\u294F",
	      'RightUpTeeVector': "\u295C",
	      'RightUpVector': "\u21BE",
	      'RightUpVectorBar': "\u2954",
	      'RightVector': "\u21C0",
	      'RightVectorBar': "\u2953",
	      'ring': "\u02DA",
	      'risingdotseq': "\u2253",
	      'rlarr': "\u21C4",
	      'rlhar': "\u21CC",
	      'rlm': "\u200F",
	      'rmoust': "\u23B1",
	      'rmoustache': "\u23B1",
	      'rnmid': "\u2AEE",
	      'roang': "\u27ED",
	      'roarr': "\u21FE",
	      'robrk': "\u27E7",
	      'ropar': "\u2986",
	      'ropf': "\uD835\uDD63",
	      'Ropf': "\u211D",
	      'roplus': "\u2A2E",
	      'rotimes': "\u2A35",
	      'RoundImplies': "\u2970",
	      'rpar': ')',
	      'rpargt': "\u2994",
	      'rppolint': "\u2A12",
	      'rrarr': "\u21C9",
	      'Rrightarrow': "\u21DB",
	      'rsaquo': "\u203A",
	      'rscr': "\uD835\uDCC7",
	      'Rscr': "\u211B",
	      'rsh': "\u21B1",
	      'Rsh': "\u21B1",
	      'rsqb': ']',
	      'rsquo': "\u2019",
	      'rsquor': "\u2019",
	      'rthree': "\u22CC",
	      'rtimes': "\u22CA",
	      'rtri': "\u25B9",
	      'rtrie': "\u22B5",
	      'rtrif': "\u25B8",
	      'rtriltri': "\u29CE",
	      'RuleDelayed': "\u29F4",
	      'ruluhar': "\u2968",
	      'rx': "\u211E",
	      'sacute': "\u015B",
	      'Sacute': "\u015A",
	      'sbquo': "\u201A",
	      'sc': "\u227B",
	      'Sc': "\u2ABC",
	      'scap': "\u2AB8",
	      'scaron': "\u0161",
	      'Scaron': "\u0160",
	      'sccue': "\u227D",
	      'sce': "\u2AB0",
	      'scE': "\u2AB4",
	      'scedil': "\u015F",
	      'Scedil': "\u015E",
	      'scirc': "\u015D",
	      'Scirc': "\u015C",
	      'scnap': "\u2ABA",
	      'scnE': "\u2AB6",
	      'scnsim': "\u22E9",
	      'scpolint': "\u2A13",
	      'scsim': "\u227F",
	      'scy': "\u0441",
	      'Scy': "\u0421",
	      'sdot': "\u22C5",
	      'sdotb': "\u22A1",
	      'sdote': "\u2A66",
	      'searhk': "\u2925",
	      'searr': "\u2198",
	      'seArr': "\u21D8",
	      'searrow': "\u2198",
	      'sect': '\xA7',
	      'semi': ';',
	      'seswar': "\u2929",
	      'setminus': "\u2216",
	      'setmn': "\u2216",
	      'sext': "\u2736",
	      'sfr': "\uD835\uDD30",
	      'Sfr': "\uD835\uDD16",
	      'sfrown': "\u2322",
	      'sharp': "\u266F",
	      'shchcy': "\u0449",
	      'SHCHcy': "\u0429",
	      'shcy': "\u0448",
	      'SHcy': "\u0428",
	      'ShortDownArrow': "\u2193",
	      'ShortLeftArrow': "\u2190",
	      'shortmid': "\u2223",
	      'shortparallel': "\u2225",
	      'ShortRightArrow': "\u2192",
	      'ShortUpArrow': "\u2191",
	      'shy': '\xAD',
	      'sigma': "\u03C3",
	      'Sigma': "\u03A3",
	      'sigmaf': "\u03C2",
	      'sigmav': "\u03C2",
	      'sim': "\u223C",
	      'simdot': "\u2A6A",
	      'sime': "\u2243",
	      'simeq': "\u2243",
	      'simg': "\u2A9E",
	      'simgE': "\u2AA0",
	      'siml': "\u2A9D",
	      'simlE': "\u2A9F",
	      'simne': "\u2246",
	      'simplus': "\u2A24",
	      'simrarr': "\u2972",
	      'slarr': "\u2190",
	      'SmallCircle': "\u2218",
	      'smallsetminus': "\u2216",
	      'smashp': "\u2A33",
	      'smeparsl': "\u29E4",
	      'smid': "\u2223",
	      'smile': "\u2323",
	      'smt': "\u2AAA",
	      'smte': "\u2AAC",
	      'smtes': "\u2AAC\uFE00",
	      'softcy': "\u044C",
	      'SOFTcy': "\u042C",
	      'sol': '/',
	      'solb': "\u29C4",
	      'solbar': "\u233F",
	      'sopf': "\uD835\uDD64",
	      'Sopf': "\uD835\uDD4A",
	      'spades': "\u2660",
	      'spadesuit': "\u2660",
	      'spar': "\u2225",
	      'sqcap': "\u2293",
	      'sqcaps': "\u2293\uFE00",
	      'sqcup': "\u2294",
	      'sqcups': "\u2294\uFE00",
	      'Sqrt': "\u221A",
	      'sqsub': "\u228F",
	      'sqsube': "\u2291",
	      'sqsubset': "\u228F",
	      'sqsubseteq': "\u2291",
	      'sqsup': "\u2290",
	      'sqsupe': "\u2292",
	      'sqsupset': "\u2290",
	      'sqsupseteq': "\u2292",
	      'squ': "\u25A1",
	      'square': "\u25A1",
	      'Square': "\u25A1",
	      'SquareIntersection': "\u2293",
	      'SquareSubset': "\u228F",
	      'SquareSubsetEqual': "\u2291",
	      'SquareSuperset': "\u2290",
	      'SquareSupersetEqual': "\u2292",
	      'SquareUnion': "\u2294",
	      'squarf': "\u25AA",
	      'squf': "\u25AA",
	      'srarr': "\u2192",
	      'sscr': "\uD835\uDCC8",
	      'Sscr': "\uD835\uDCAE",
	      'ssetmn': "\u2216",
	      'ssmile': "\u2323",
	      'sstarf': "\u22C6",
	      'star': "\u2606",
	      'Star': "\u22C6",
	      'starf': "\u2605",
	      'straightepsilon': "\u03F5",
	      'straightphi': "\u03D5",
	      'strns': '\xAF',
	      'sub': "\u2282",
	      'Sub': "\u22D0",
	      'subdot': "\u2ABD",
	      'sube': "\u2286",
	      'subE': "\u2AC5",
	      'subedot': "\u2AC3",
	      'submult': "\u2AC1",
	      'subne': "\u228A",
	      'subnE': "\u2ACB",
	      'subplus': "\u2ABF",
	      'subrarr': "\u2979",
	      'subset': "\u2282",
	      'Subset': "\u22D0",
	      'subseteq': "\u2286",
	      'subseteqq': "\u2AC5",
	      'SubsetEqual': "\u2286",
	      'subsetneq': "\u228A",
	      'subsetneqq': "\u2ACB",
	      'subsim': "\u2AC7",
	      'subsub': "\u2AD5",
	      'subsup': "\u2AD3",
	      'succ': "\u227B",
	      'succapprox': "\u2AB8",
	      'succcurlyeq': "\u227D",
	      'Succeeds': "\u227B",
	      'SucceedsEqual': "\u2AB0",
	      'SucceedsSlantEqual': "\u227D",
	      'SucceedsTilde': "\u227F",
	      'succeq': "\u2AB0",
	      'succnapprox': "\u2ABA",
	      'succneqq': "\u2AB6",
	      'succnsim': "\u22E9",
	      'succsim': "\u227F",
	      'SuchThat': "\u220B",
	      'sum': "\u2211",
	      'Sum': "\u2211",
	      'sung': "\u266A",
	      'sup': "\u2283",
	      'Sup': "\u22D1",
	      'sup1': '\xB9',
	      'sup2': '\xB2',
	      'sup3': '\xB3',
	      'supdot': "\u2ABE",
	      'supdsub': "\u2AD8",
	      'supe': "\u2287",
	      'supE': "\u2AC6",
	      'supedot': "\u2AC4",
	      'Superset': "\u2283",
	      'SupersetEqual': "\u2287",
	      'suphsol': "\u27C9",
	      'suphsub': "\u2AD7",
	      'suplarr': "\u297B",
	      'supmult': "\u2AC2",
	      'supne': "\u228B",
	      'supnE': "\u2ACC",
	      'supplus': "\u2AC0",
	      'supset': "\u2283",
	      'Supset': "\u22D1",
	      'supseteq': "\u2287",
	      'supseteqq': "\u2AC6",
	      'supsetneq': "\u228B",
	      'supsetneqq': "\u2ACC",
	      'supsim': "\u2AC8",
	      'supsub': "\u2AD4",
	      'supsup': "\u2AD6",
	      'swarhk': "\u2926",
	      'swarr': "\u2199",
	      'swArr': "\u21D9",
	      'swarrow': "\u2199",
	      'swnwar': "\u292A",
	      'szlig': '\xDF',
	      'Tab': '\t',
	      'target': "\u2316",
	      'tau': "\u03C4",
	      'Tau': "\u03A4",
	      'tbrk': "\u23B4",
	      'tcaron': "\u0165",
	      'Tcaron': "\u0164",
	      'tcedil': "\u0163",
	      'Tcedil': "\u0162",
	      'tcy': "\u0442",
	      'Tcy': "\u0422",
	      'tdot': "\u20DB",
	      'telrec': "\u2315",
	      'tfr': "\uD835\uDD31",
	      'Tfr': "\uD835\uDD17",
	      'there4': "\u2234",
	      'therefore': "\u2234",
	      'Therefore': "\u2234",
	      'theta': "\u03B8",
	      'Theta': "\u0398",
	      'thetasym': "\u03D1",
	      'thetav': "\u03D1",
	      'thickapprox': "\u2248",
	      'thicksim': "\u223C",
	      'ThickSpace': "\u205F\u200A",
	      'thinsp': "\u2009",
	      'ThinSpace': "\u2009",
	      'thkap': "\u2248",
	      'thksim': "\u223C",
	      'thorn': '\xFE',
	      'THORN': '\xDE',
	      'tilde': "\u02DC",
	      'Tilde': "\u223C",
	      'TildeEqual': "\u2243",
	      'TildeFullEqual': "\u2245",
	      'TildeTilde': "\u2248",
	      'times': '\xD7',
	      'timesb': "\u22A0",
	      'timesbar': "\u2A31",
	      'timesd': "\u2A30",
	      'tint': "\u222D",
	      'toea': "\u2928",
	      'top': "\u22A4",
	      'topbot': "\u2336",
	      'topcir': "\u2AF1",
	      'topf': "\uD835\uDD65",
	      'Topf': "\uD835\uDD4B",
	      'topfork': "\u2ADA",
	      'tosa': "\u2929",
	      'tprime': "\u2034",
	      'trade': "\u2122",
	      'TRADE': "\u2122",
	      'triangle': "\u25B5",
	      'triangledown': "\u25BF",
	      'triangleleft': "\u25C3",
	      'trianglelefteq': "\u22B4",
	      'triangleq': "\u225C",
	      'triangleright': "\u25B9",
	      'trianglerighteq': "\u22B5",
	      'tridot': "\u25EC",
	      'trie': "\u225C",
	      'triminus': "\u2A3A",
	      'TripleDot': "\u20DB",
	      'triplus': "\u2A39",
	      'trisb': "\u29CD",
	      'tritime': "\u2A3B",
	      'trpezium': "\u23E2",
	      'tscr': "\uD835\uDCC9",
	      'Tscr': "\uD835\uDCAF",
	      'tscy': "\u0446",
	      'TScy': "\u0426",
	      'tshcy': "\u045B",
	      'TSHcy': "\u040B",
	      'tstrok': "\u0167",
	      'Tstrok': "\u0166",
	      'twixt': "\u226C",
	      'twoheadleftarrow': "\u219E",
	      'twoheadrightarrow': "\u21A0",
	      'uacute': '\xFA',
	      'Uacute': '\xDA',
	      'uarr': "\u2191",
	      'uArr': "\u21D1",
	      'Uarr': "\u219F",
	      'Uarrocir': "\u2949",
	      'ubrcy': "\u045E",
	      'Ubrcy': "\u040E",
	      'ubreve': "\u016D",
	      'Ubreve': "\u016C",
	      'ucirc': '\xFB',
	      'Ucirc': '\xDB',
	      'ucy': "\u0443",
	      'Ucy': "\u0423",
	      'udarr': "\u21C5",
	      'udblac': "\u0171",
	      'Udblac': "\u0170",
	      'udhar': "\u296E",
	      'ufisht': "\u297E",
	      'ufr': "\uD835\uDD32",
	      'Ufr': "\uD835\uDD18",
	      'ugrave': '\xF9',
	      'Ugrave': '\xD9',
	      'uHar': "\u2963",
	      'uharl': "\u21BF",
	      'uharr': "\u21BE",
	      'uhblk': "\u2580",
	      'ulcorn': "\u231C",
	      'ulcorner': "\u231C",
	      'ulcrop': "\u230F",
	      'ultri': "\u25F8",
	      'umacr': "\u016B",
	      'Umacr': "\u016A",
	      'uml': '\xA8',
	      'UnderBar': '_',
	      'UnderBrace': "\u23DF",
	      'UnderBracket': "\u23B5",
	      'UnderParenthesis': "\u23DD",
	      'Union': "\u22C3",
	      'UnionPlus': "\u228E",
	      'uogon': "\u0173",
	      'Uogon': "\u0172",
	      'uopf': "\uD835\uDD66",
	      'Uopf': "\uD835\uDD4C",
	      'uparrow': "\u2191",
	      'Uparrow': "\u21D1",
	      'UpArrow': "\u2191",
	      'UpArrowBar': "\u2912",
	      'UpArrowDownArrow': "\u21C5",
	      'updownarrow': "\u2195",
	      'Updownarrow': "\u21D5",
	      'UpDownArrow': "\u2195",
	      'UpEquilibrium': "\u296E",
	      'upharpoonleft': "\u21BF",
	      'upharpoonright': "\u21BE",
	      'uplus': "\u228E",
	      'UpperLeftArrow': "\u2196",
	      'UpperRightArrow': "\u2197",
	      'upsi': "\u03C5",
	      'Upsi': "\u03D2",
	      'upsih': "\u03D2",
	      'upsilon': "\u03C5",
	      'Upsilon': "\u03A5",
	      'UpTee': "\u22A5",
	      'UpTeeArrow': "\u21A5",
	      'upuparrows': "\u21C8",
	      'urcorn': "\u231D",
	      'urcorner': "\u231D",
	      'urcrop': "\u230E",
	      'uring': "\u016F",
	      'Uring': "\u016E",
	      'urtri': "\u25F9",
	      'uscr': "\uD835\uDCCA",
	      'Uscr': "\uD835\uDCB0",
	      'utdot': "\u22F0",
	      'utilde': "\u0169",
	      'Utilde': "\u0168",
	      'utri': "\u25B5",
	      'utrif': "\u25B4",
	      'uuarr': "\u21C8",
	      'uuml': '\xFC',
	      'Uuml': '\xDC',
	      'uwangle': "\u29A7",
	      'vangrt': "\u299C",
	      'varepsilon': "\u03F5",
	      'varkappa': "\u03F0",
	      'varnothing': "\u2205",
	      'varphi': "\u03D5",
	      'varpi': "\u03D6",
	      'varpropto': "\u221D",
	      'varr': "\u2195",
	      'vArr': "\u21D5",
	      'varrho': "\u03F1",
	      'varsigma': "\u03C2",
	      'varsubsetneq': "\u228A\uFE00",
	      'varsubsetneqq': "\u2ACB\uFE00",
	      'varsupsetneq': "\u228B\uFE00",
	      'varsupsetneqq': "\u2ACC\uFE00",
	      'vartheta': "\u03D1",
	      'vartriangleleft': "\u22B2",
	      'vartriangleright': "\u22B3",
	      'vBar': "\u2AE8",
	      'Vbar': "\u2AEB",
	      'vBarv': "\u2AE9",
	      'vcy': "\u0432",
	      'Vcy': "\u0412",
	      'vdash': "\u22A2",
	      'vDash': "\u22A8",
	      'Vdash': "\u22A9",
	      'VDash': "\u22AB",
	      'Vdashl': "\u2AE6",
	      'vee': "\u2228",
	      'Vee': "\u22C1",
	      'veebar': "\u22BB",
	      'veeeq': "\u225A",
	      'vellip': "\u22EE",
	      'verbar': '|',
	      'Verbar': "\u2016",
	      'vert': '|',
	      'Vert': "\u2016",
	      'VerticalBar': "\u2223",
	      'VerticalLine': '|',
	      'VerticalSeparator': "\u2758",
	      'VerticalTilde': "\u2240",
	      'VeryThinSpace': "\u200A",
	      'vfr': "\uD835\uDD33",
	      'Vfr': "\uD835\uDD19",
	      'vltri': "\u22B2",
	      'vnsub': "\u2282\u20D2",
	      'vnsup': "\u2283\u20D2",
	      'vopf': "\uD835\uDD67",
	      'Vopf': "\uD835\uDD4D",
	      'vprop': "\u221D",
	      'vrtri': "\u22B3",
	      'vscr': "\uD835\uDCCB",
	      'Vscr': "\uD835\uDCB1",
	      'vsubne': "\u228A\uFE00",
	      'vsubnE': "\u2ACB\uFE00",
	      'vsupne': "\u228B\uFE00",
	      'vsupnE': "\u2ACC\uFE00",
	      'Vvdash': "\u22AA",
	      'vzigzag': "\u299A",
	      'wcirc': "\u0175",
	      'Wcirc': "\u0174",
	      'wedbar': "\u2A5F",
	      'wedge': "\u2227",
	      'Wedge': "\u22C0",
	      'wedgeq': "\u2259",
	      'weierp': "\u2118",
	      'wfr': "\uD835\uDD34",
	      'Wfr': "\uD835\uDD1A",
	      'wopf': "\uD835\uDD68",
	      'Wopf': "\uD835\uDD4E",
	      'wp': "\u2118",
	      'wr': "\u2240",
	      'wreath': "\u2240",
	      'wscr': "\uD835\uDCCC",
	      'Wscr': "\uD835\uDCB2",
	      'xcap': "\u22C2",
	      'xcirc': "\u25EF",
	      'xcup': "\u22C3",
	      'xdtri': "\u25BD",
	      'xfr': "\uD835\uDD35",
	      'Xfr': "\uD835\uDD1B",
	      'xharr': "\u27F7",
	      'xhArr': "\u27FA",
	      'xi': "\u03BE",
	      'Xi': "\u039E",
	      'xlarr': "\u27F5",
	      'xlArr': "\u27F8",
	      'xmap': "\u27FC",
	      'xnis': "\u22FB",
	      'xodot': "\u2A00",
	      'xopf': "\uD835\uDD69",
	      'Xopf': "\uD835\uDD4F",
	      'xoplus': "\u2A01",
	      'xotime': "\u2A02",
	      'xrarr': "\u27F6",
	      'xrArr': "\u27F9",
	      'xscr': "\uD835\uDCCD",
	      'Xscr': "\uD835\uDCB3",
	      'xsqcup': "\u2A06",
	      'xuplus': "\u2A04",
	      'xutri': "\u25B3",
	      'xvee': "\u22C1",
	      'xwedge': "\u22C0",
	      'yacute': '\xFD',
	      'Yacute': '\xDD',
	      'yacy': "\u044F",
	      'YAcy': "\u042F",
	      'ycirc': "\u0177",
	      'Ycirc': "\u0176",
	      'ycy': "\u044B",
	      'Ycy': "\u042B",
	      'yen': '\xA5',
	      'yfr': "\uD835\uDD36",
	      'Yfr': "\uD835\uDD1C",
	      'yicy': "\u0457",
	      'YIcy': "\u0407",
	      'yopf': "\uD835\uDD6A",
	      'Yopf': "\uD835\uDD50",
	      'yscr': "\uD835\uDCCE",
	      'Yscr': "\uD835\uDCB4",
	      'yucy': "\u044E",
	      'YUcy': "\u042E",
	      'yuml': '\xFF',
	      'Yuml': "\u0178",
	      'zacute': "\u017A",
	      'Zacute': "\u0179",
	      'zcaron': "\u017E",
	      'Zcaron': "\u017D",
	      'zcy': "\u0437",
	      'Zcy': "\u0417",
	      'zdot': "\u017C",
	      'Zdot': "\u017B",
	      'zeetrf': "\u2128",
	      'ZeroWidthSpace': "\u200B",
	      'zeta': "\u03B6",
	      'Zeta': "\u0396",
	      'zfr': "\uD835\uDD37",
	      'Zfr': "\u2128",
	      'zhcy': "\u0436",
	      'ZHcy': "\u0416",
	      'zigrarr': "\u21DD",
	      'zopf': "\uD835\uDD6B",
	      'Zopf': "\u2124",
	      'zscr': "\uD835\uDCCF",
	      'Zscr': "\uD835\uDCB5",
	      'zwj': "\u200D",
	      'zwnj': "\u200C"
	    };
	    var decodeMapLegacy = {
	      'aacute': '\xE1',
	      'Aacute': '\xC1',
	      'acirc': '\xE2',
	      'Acirc': '\xC2',
	      'acute': '\xB4',
	      'aelig': '\xE6',
	      'AElig': '\xC6',
	      'agrave': '\xE0',
	      'Agrave': '\xC0',
	      'amp': '&',
	      'AMP': '&',
	      'aring': '\xE5',
	      'Aring': '\xC5',
	      'atilde': '\xE3',
	      'Atilde': '\xC3',
	      'auml': '\xE4',
	      'Auml': '\xC4',
	      'brvbar': '\xA6',
	      'ccedil': '\xE7',
	      'Ccedil': '\xC7',
	      'cedil': '\xB8',
	      'cent': '\xA2',
	      'copy': '\xA9',
	      'COPY': '\xA9',
	      'curren': '\xA4',
	      'deg': '\xB0',
	      'divide': '\xF7',
	      'eacute': '\xE9',
	      'Eacute': '\xC9',
	      'ecirc': '\xEA',
	      'Ecirc': '\xCA',
	      'egrave': '\xE8',
	      'Egrave': '\xC8',
	      'eth': '\xF0',
	      'ETH': '\xD0',
	      'euml': '\xEB',
	      'Euml': '\xCB',
	      'frac12': '\xBD',
	      'frac14': '\xBC',
	      'frac34': '\xBE',
	      'gt': '>',
	      'GT': '>',
	      'iacute': '\xED',
	      'Iacute': '\xCD',
	      'icirc': '\xEE',
	      'Icirc': '\xCE',
	      'iexcl': '\xA1',
	      'igrave': '\xEC',
	      'Igrave': '\xCC',
	      'iquest': '\xBF',
	      'iuml': '\xEF',
	      'Iuml': '\xCF',
	      'laquo': '\xAB',
	      'lt': '<',
	      'LT': '<',
	      'macr': '\xAF',
	      'micro': '\xB5',
	      'middot': '\xB7',
	      'nbsp': '\xA0',
	      'not': '\xAC',
	      'ntilde': '\xF1',
	      'Ntilde': '\xD1',
	      'oacute': '\xF3',
	      'Oacute': '\xD3',
	      'ocirc': '\xF4',
	      'Ocirc': '\xD4',
	      'ograve': '\xF2',
	      'Ograve': '\xD2',
	      'ordf': '\xAA',
	      'ordm': '\xBA',
	      'oslash': '\xF8',
	      'Oslash': '\xD8',
	      'otilde': '\xF5',
	      'Otilde': '\xD5',
	      'ouml': '\xF6',
	      'Ouml': '\xD6',
	      'para': '\xB6',
	      'plusmn': '\xB1',
	      'pound': '\xA3',
	      'quot': '"',
	      'QUOT': '"',
	      'raquo': '\xBB',
	      'reg': '\xAE',
	      'REG': '\xAE',
	      'sect': '\xA7',
	      'shy': '\xAD',
	      'sup1': '\xB9',
	      'sup2': '\xB2',
	      'sup3': '\xB3',
	      'szlig': '\xDF',
	      'thorn': '\xFE',
	      'THORN': '\xDE',
	      'times': '\xD7',
	      'uacute': '\xFA',
	      'Uacute': '\xDA',
	      'ucirc': '\xFB',
	      'Ucirc': '\xDB',
	      'ugrave': '\xF9',
	      'Ugrave': '\xD9',
	      'uml': '\xA8',
	      'uuml': '\xFC',
	      'Uuml': '\xDC',
	      'yacute': '\xFD',
	      'Yacute': '\xDD',
	      'yen': '\xA5',
	      'yuml': '\xFF'
	    };
	    var decodeMapNumeric = {
	      '0': "\uFFFD",
	      '128': "\u20AC",
	      '130': "\u201A",
	      '131': "\u0192",
	      '132': "\u201E",
	      '133': "\u2026",
	      '134': "\u2020",
	      '135': "\u2021",
	      '136': "\u02C6",
	      '137': "\u2030",
	      '138': "\u0160",
	      '139': "\u2039",
	      '140': "\u0152",
	      '142': "\u017D",
	      '145': "\u2018",
	      '146': "\u2019",
	      '147': "\u201C",
	      '148': "\u201D",
	      '149': "\u2022",
	      '150': "\u2013",
	      '151': "\u2014",
	      '152': "\u02DC",
	      '153': "\u2122",
	      '154': "\u0161",
	      '155': "\u203A",
	      '156': "\u0153",
	      '158': "\u017E",
	      '159': "\u0178"
	    };
	    var invalidReferenceCodePoints = [1, 2, 3, 4, 5, 6, 7, 8, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 64976, 64977, 64978, 64979, 64980, 64981, 64982, 64983, 64984, 64985, 64986, 64987, 64988, 64989, 64990, 64991, 64992, 64993, 64994, 64995, 64996, 64997, 64998, 64999, 65000, 65001, 65002, 65003, 65004, 65005, 65006, 65007, 65534, 65535, 131070, 131071, 196606, 196607, 262142, 262143, 327678, 327679, 393214, 393215, 458750, 458751, 524286, 524287, 589822, 589823, 655358, 655359, 720894, 720895, 786430, 786431, 851966, 851967, 917502, 917503, 983038, 983039, 1048574, 1048575, 1114110, 1114111];
	    /*--------------------------------------------------------------------------*/

	    var stringFromCharCode = String.fromCharCode;
	    var object = {};
	    var hasOwnProperty = object.hasOwnProperty;

	    var has = function has(object, propertyName) {
	      return hasOwnProperty.call(object, propertyName);
	    };

	    var contains = function contains(array, value) {
	      var index = -1;
	      var length = array.length;

	      while (++index < length) {
	        if (array[index] == value) {
	          return true;
	        }
	      }

	      return false;
	    };

	    var merge = function merge(options, defaults) {
	      if (!options) {
	        return defaults;
	      }

	      var result = {};
	      var key;

	      for (key in defaults) {
	        // A `hasOwnProperty` check is not needed here, since only recognized
	        // option names are used anyway. Any others are ignored.
	        result[key] = has(options, key) ? options[key] : defaults[key];
	      }

	      return result;
	    }; // Modified version of `ucs2encode`; see https://mths.be/punycode.


	    var codePointToSymbol = function codePointToSymbol(codePoint, strict) {
	      var output = '';

	      if (codePoint >= 0xD800 && codePoint <= 0xDFFF || codePoint > 0x10FFFF) {
	        // See issue #4:
	        // “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is
	        // greater than 0x10FFFF, then this is a parse error. Return a U+FFFD
	        // REPLACEMENT CHARACTER.”
	        if (strict) {
	          parseError('character reference outside the permissible Unicode range');
	        }

	        return "\uFFFD";
	      }

	      if (has(decodeMapNumeric, codePoint)) {
	        if (strict) {
	          parseError('disallowed character reference');
	        }

	        return decodeMapNumeric[codePoint];
	      }

	      if (strict && contains(invalidReferenceCodePoints, codePoint)) {
	        parseError('disallowed character reference');
	      }

	      if (codePoint > 0xFFFF) {
	        codePoint -= 0x10000;
	        output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800);
	        codePoint = 0xDC00 | codePoint & 0x3FF;
	      }

	      output += stringFromCharCode(codePoint);
	      return output;
	    };

	    var hexEscape = function hexEscape(codePoint) {
	      return '&#x' + codePoint.toString(16).toUpperCase() + ';';
	    };

	    var decEscape = function decEscape(codePoint) {
	      return '&#' + codePoint + ';';
	    };

	    var parseError = function parseError(message) {
	      throw Error('Parse error: ' + message);
	    };
	    /*--------------------------------------------------------------------------*/


	    var encode = function encode(string, options) {
	      options = merge(options, encode.options);
	      var strict = options.strict;

	      if (strict && regexInvalidRawCodePoint.test(string)) {
	        parseError('forbidden code point');
	      }

	      var encodeEverything = options.encodeEverything;
	      var useNamedReferences = options.useNamedReferences;
	      var allowUnsafeSymbols = options.allowUnsafeSymbols;
	      var escapeCodePoint = options.decimal ? decEscape : hexEscape;

	      var escapeBmpSymbol = function escapeBmpSymbol(symbol) {
	        return escapeCodePoint(symbol.charCodeAt(0));
	      };

	      if (encodeEverything) {
	        // Encode ASCII symbols.
	        string = string.replace(regexAsciiWhitelist, function (symbol) {
	          // Use named references if requested & possible.
	          if (useNamedReferences && has(encodeMap, symbol)) {
	            return '&' + encodeMap[symbol] + ';';
	          }

	          return escapeBmpSymbol(symbol);
	        }); // Shorten a few escapes that represent two symbols, of which at least one
	        // is within the ASCII range.

	        if (useNamedReferences) {
	          string = string.replace(/&gt;\u20D2/g, '&nvgt;').replace(/&lt;\u20D2/g, '&nvlt;').replace(/&#x66;&#x6A;/g, '&fjlig;');
	        } // Encode non-ASCII symbols.


	        if (useNamedReferences) {
	          // Encode non-ASCII symbols that can be replaced with a named reference.
	          string = string.replace(regexEncodeNonAscii, function (string) {
	            // Note: there is no need to check `has(encodeMap, string)` here.
	            return '&' + encodeMap[string] + ';';
	          });
	        } // Note: any remaining non-ASCII symbols are handled outside of the `if`.

	      } else if (useNamedReferences) {
	        // Apply named character references.
	        // Encode `<>"'&` using named character references.
	        if (!allowUnsafeSymbols) {
	          string = string.replace(regexEscape, function (string) {
	            return '&' + encodeMap[string] + ';'; // no need to check `has()` here
	          });
	        } // Shorten escapes that represent two symbols, of which at least one is
	        // `<>"'&`.


	        string = string.replace(/&gt;\u20D2/g, '&nvgt;').replace(/&lt;\u20D2/g, '&nvlt;'); // Encode non-ASCII symbols that can be replaced with a named reference.

	        string = string.replace(regexEncodeNonAscii, function (string) {
	          // Note: there is no need to check `has(encodeMap, string)` here.
	          return '&' + encodeMap[string] + ';';
	        });
	      } else if (!allowUnsafeSymbols) {
	        // Encode `<>"'&` using hexadecimal escapes, now that they’re not handled
	        // using named character references.
	        string = string.replace(regexEscape, escapeBmpSymbol);
	      }

	      return string // Encode astral symbols.
	      .replace(regexAstralSymbols, function ($0) {
	        // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
	        var high = $0.charCodeAt(0);
	        var low = $0.charCodeAt(1);
	        var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000;
	        return escapeCodePoint(codePoint);
	      }) // Encode any remaining BMP symbols that are not printable ASCII symbols
	      // using a hexadecimal escape.
	      .replace(regexBmpWhitelist, escapeBmpSymbol);
	    }; // Expose default options (so they can be overridden globally).


	    encode.options = {
	      'allowUnsafeSymbols': false,
	      'encodeEverything': false,
	      'strict': false,
	      'useNamedReferences': false,
	      'decimal': false
	    };

	    var decode = function decode(html, options) {
	      options = merge(options, decode.options);
	      var strict = options.strict;

	      if (strict && regexInvalidEntity.test(html)) {
	        parseError('malformed character reference');
	      }

	      return html.replace(regexDecode, function ($0, $1, $2, $3, $4, $5, $6, $7, $8) {
	        var codePoint;
	        var semicolon;
	        var decDigits;
	        var hexDigits;
	        var reference;
	        var next;

	        if ($1) {
	          reference = $1; // Note: there is no need to check `has(decodeMap, reference)`.

	          return decodeMap[reference];
	        }

	        if ($2) {
	          // Decode named character references without trailing `;`, e.g. `&amp`.
	          // This is only a parse error if it gets converted to `&`, or if it is
	          // followed by `=` in an attribute context.
	          reference = $2;
	          next = $3;

	          if (next && options.isAttributeValue) {
	            if (strict && next == '=') {
	              parseError('`&` did not start a character reference');
	            }

	            return $0;
	          } else {
	            if (strict) {
	              parseError('named character reference was not terminated by a semicolon');
	            } // Note: there is no need to check `has(decodeMapLegacy, reference)`.


	            return decodeMapLegacy[reference] + (next || '');
	          }
	        }

	        if ($4) {
	          // Decode decimal escapes, e.g. `&#119558;`.
	          decDigits = $4;
	          semicolon = $5;

	          if (strict && !semicolon) {
	            parseError('character reference was not terminated by a semicolon');
	          }

	          codePoint = parseInt(decDigits, 10);
	          return codePointToSymbol(codePoint, strict);
	        }

	        if ($6) {
	          // Decode hexadecimal escapes, e.g. `&#x1D306;`.
	          hexDigits = $6;
	          semicolon = $7;

	          if (strict && !semicolon) {
	            parseError('character reference was not terminated by a semicolon');
	          }

	          codePoint = parseInt(hexDigits, 16);
	          return codePointToSymbol(codePoint, strict);
	        } // If we’re still here, `if ($7)` is implied; it’s an ambiguous
	        // ampersand for sure. https://mths.be/notes/ambiguous-ampersands


	        if (strict) {
	          parseError('named character reference was not terminated by a semicolon');
	        }

	        return $0;
	      });
	    }; // Expose default options (so they can be overridden globally).


	    decode.options = {
	      'isAttributeValue': false,
	      'strict': false
	    };

	    var escape = function escape(string) {
	      return string.replace(regexEscape, function ($0) {
	        // Note: there is no need to check `has(escapeMap, $0)` here.
	        return escapeMap[$0];
	      });
	    };
	    /*--------------------------------------------------------------------------*/


	    var he = {
	      'version': '1.2.0',
	      'encode': encode,
	      'decode': decode,
	      'escape': escape,
	      'unescape': decode
	    }; // Some AMD build optimizers, like r.js, check for specific condition patterns
	    // like the following:

	    if (freeExports && !freeExports.nodeType) {
	      if (freeModule) {
	        // in Node.js, io.js, or RingoJS v0.8.0+
	        freeModule.exports = he;
	      } else {
	        // in Narwhal or RingoJS v0.7.0-
	        for (var key in he) {
	          has(he, key) && (freeExports[key] = he[key]);
	        }
	      }
	    } else {
	      // in Rhino or a web browser
	      root.he = he;
	    }
	  })(commonjsGlobal);
	});

	var propertyIsEnumerable = objectPropertyIsEnumerable.f;

	// `Object.{ entries, values }` methods implementation
	var createMethod$5 = function (TO_ENTRIES) {
	  return function (it) {
	    var O = toIndexedObject(it);
	    var keys = objectKeys(O);
	    var length = keys.length;
	    var i = 0;
	    var result = [];
	    var key;
	    while (length > i) {
	      key = keys[i++];
	      if (!descriptors || propertyIsEnumerable.call(O, key)) {
	        result.push(TO_ENTRIES ? [key, O[key]] : O[key]);
	      }
	    }
	    return result;
	  };
	};

	var objectToArray = {
	  // `Object.entries` method
	  // https://tc39.es/ecma262/#sec-object.entries
	  entries: createMethod$5(true),
	  // `Object.values` method
	  // https://tc39.es/ecma262/#sec-object.values
	  values: createMethod$5(false)
	};

	var $values = objectToArray.values;

	// `Object.values` method
	// https://tc39.es/ecma262/#sec-object.values
	_export({ target: 'Object', stat: true }, {
	  values: function values(O) {
	    return $values(O);
	  }
	});

	var format$1 = util.format;
	/**
	 * Contains error codes, factory functions to create throwable error objects,
	 * and warning/deprecation functions.
	 * @module
	 */

	/**
	 * process.emitWarning or a polyfill
	 * @see https://nodejs.org/api/process.html#process_process_emitwarning_warning_options
	 * @ignore
	 */

	var emitWarning$1 = function emitWarning(msg, type) {
	  if (process$1.emitWarning) {
	    process$1.emitWarning(msg, type);
	  } else {
	    /* istanbul ignore next */
	    nextTick(function () {
	      console.warn(type + ': ' + msg);
	    });
	  }
	};
	/**
	 * Show a deprecation warning. Each distinct message is only displayed once.
	 * Ignores empty messages.
	 *
	 * @param {string} [msg] - Warning to print
	 * @private
	 */


	var deprecate$1 = function deprecate(msg) {
	  msg = String(msg);

	  if (msg && !deprecate.cache[msg]) {
	    deprecate.cache[msg] = true;
	    emitWarning$1(msg, 'DeprecationWarning');
	  }
	};

	deprecate$1.cache = {};
	/**
	 * Show a generic warning.
	 * Ignores empty messages.
	 *
	 * @param {string} [msg] - Warning to print
	 * @private
	 */

	var warn = function warn(msg) {
	  if (msg) {
	    emitWarning$1(msg);
	  }
	};
	/**
	 * When Mocha throws exceptions (or rejects `Promise`s), it attempts to assign a `code` property to the `Error` object, for easier handling. These are the potential values of `code`.
	 * @public
	 * @namespace
	 * @memberof module:lib/errors
	 */


	var constants = {
	  /**
	   * An unrecoverable error.
	   * @constant
	   * @default
	   */
	  FATAL: 'ERR_MOCHA_FATAL',

	  /**
	   * The type of an argument to a function call is invalid
	   * @constant
	   * @default
	   */
	  INVALID_ARG_TYPE: 'ERR_MOCHA_INVALID_ARG_TYPE',

	  /**
	   * The value of an argument to a function call is invalid
	   * @constant
	   * @default
	   */
	  INVALID_ARG_VALUE: 'ERR_MOCHA_INVALID_ARG_VALUE',

	  /**
	   * Something was thrown, but it wasn't an `Error`
	   * @constant
	   * @default
	   */
	  INVALID_EXCEPTION: 'ERR_MOCHA_INVALID_EXCEPTION',

	  /**
	   * An interface (e.g., `Mocha.interfaces`) is unknown or invalid
	   * @constant
	   * @default
	   */
	  INVALID_INTERFACE: 'ERR_MOCHA_INVALID_INTERFACE',

	  /**
	   * A reporter (.e.g, `Mocha.reporters`) is unknown or invalid
	   * @constant
	   * @default
	   */
	  INVALID_REPORTER: 'ERR_MOCHA_INVALID_REPORTER',

	  /**
	   * `done()` was called twice in a `Test` or `Hook` callback
	   * @constant
	   * @default
	   */
	  MULTIPLE_DONE: 'ERR_MOCHA_MULTIPLE_DONE',

	  /**
	   * No files matched the pattern provided by the user
	   * @constant
	   * @default
	   */
	  NO_FILES_MATCH_PATTERN: 'ERR_MOCHA_NO_FILES_MATCH_PATTERN',

	  /**
	   * Known, but unsupported behavior of some kind
	   * @constant
	   * @default
	   */
	  UNSUPPORTED: 'ERR_MOCHA_UNSUPPORTED',

	  /**
	   * Invalid state transition occurring in `Mocha` instance
	   * @constant
	   * @default
	   */
	  INSTANCE_ALREADY_RUNNING: 'ERR_MOCHA_INSTANCE_ALREADY_RUNNING',

	  /**
	   * Invalid state transition occurring in `Mocha` instance
	   * @constant
	   * @default
	   */
	  INSTANCE_ALREADY_DISPOSED: 'ERR_MOCHA_INSTANCE_ALREADY_DISPOSED',

	  /**
	   * Use of `only()` w/ `--forbid-only` results in this error.
	   * @constant
	   * @default
	   */
	  FORBIDDEN_EXCLUSIVITY: 'ERR_MOCHA_FORBIDDEN_EXCLUSIVITY',

	  /**
	   * To be thrown when a user-defined plugin implementation (e.g., `mochaHooks`) is invalid
	   * @constant
	   * @default
	   */
	  INVALID_PLUGIN_IMPLEMENTATION: 'ERR_MOCHA_INVALID_PLUGIN_IMPLEMENTATION',

	  /**
	   * To be thrown when a builtin or third-party plugin definition (the _definition_ of `mochaHooks`) is invalid
	   * @constant
	   * @default
	   */
	  INVALID_PLUGIN_DEFINITION: 'ERR_MOCHA_INVALID_PLUGIN_DEFINITION',

	  /**
	   * When a runnable exceeds its allowed run time.
	   * @constant
	   * @default
	   */
	  TIMEOUT: 'ERR_MOCHA_TIMEOUT',

	  /**
	   * Input file is not able to be parsed
	   * @constant
	   * @default
	   */
	  UNPARSABLE_FILE: 'ERR_MOCHA_UNPARSABLE_FILE'
	};
	/**
	 * A set containing all string values of all Mocha error constants, for use by {@link isMochaError}.
	 * @private
	 */

	var MOCHA_ERRORS = new Set(Object.values(constants));
	/**
	 * Creates an error object to be thrown when no files to be tested could be found using specified pattern.
	 *
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @param {string} pattern - User-specified argument value.
	 * @returns {Error} instance detailing the error condition
	 */

	function createNoFilesMatchPatternError(message, pattern) {
	  var err = new Error(message);
	  err.code = constants.NO_FILES_MATCH_PATTERN;
	  err.pattern = pattern;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when the reporter specified in the options was not found.
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @param {string} reporter - User-specified reporter value.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidReporterError(message, reporter) {
	  var err = new TypeError(message);
	  err.code = constants.INVALID_REPORTER;
	  err.reporter = reporter;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when the interface specified in the options was not found.
	 *
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @param {string} ui - User-specified interface value.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidInterfaceError(message, ui) {
	  var err = new Error(message);
	  err.code = constants.INVALID_INTERFACE;
	  err["interface"] = ui;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a behavior, option, or parameter is unsupported.
	 *
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @returns {Error} instance detailing the error condition
	 */


	function createUnsupportedError(message) {
	  var err = new Error(message);
	  err.code = constants.UNSUPPORTED;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when an argument is missing.
	 *
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @param {string} argument - Argument name.
	 * @param {string} expected - Expected argument datatype.
	 * @returns {Error} instance detailing the error condition
	 */


	function createMissingArgumentError(message, argument, expected) {
	  return createInvalidArgumentTypeError(message, argument, expected);
	}
	/**
	 * Creates an error object to be thrown when an argument did not use the supported type
	 *
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @param {string} argument - Argument name.
	 * @param {string} expected - Expected argument datatype.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidArgumentTypeError(message, argument, expected) {
	  var err = new TypeError(message);
	  err.code = constants.INVALID_ARG_TYPE;
	  err.argument = argument;
	  err.expected = expected;
	  err.actual = _typeof(argument);
	  return err;
	}
	/**
	 * Creates an error object to be thrown when an argument did not use the supported value
	 *
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @param {string} argument - Argument name.
	 * @param {string} value - Argument value.
	 * @param {string} [reason] - Why value is invalid.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidArgumentValueError(message, argument, value, reason) {
	  var err = new TypeError(message);
	  err.code = constants.INVALID_ARG_VALUE;
	  err.argument = argument;
	  err.value = value;
	  err.reason = typeof reason !== 'undefined' ? reason : 'is invalid';
	  return err;
	}
	/**
	 * Creates an error object to be thrown when an exception was caught, but the `Error` is falsy or undefined.
	 *
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidExceptionError(message, value) {
	  var err = new Error(message);
	  err.code = constants.INVALID_EXCEPTION;
	  err.valueType = _typeof(value);
	  err.value = value;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when an unrecoverable error occurs.
	 *
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @returns {Error} instance detailing the error condition
	 */


	function createFatalError(message, value) {
	  var err = new Error(message);
	  err.code = constants.FATAL;
	  err.valueType = _typeof(value);
	  err.value = value;
	  return err;
	}
	/**
	 * Dynamically creates a plugin-type-specific error based on plugin type
	 * @param {string} message - Error message
	 * @param {"reporter"|"interface"} pluginType - Plugin type. Future: expand as needed
	 * @param {string} [pluginId] - Name/path of plugin, if any
	 * @throws When `pluginType` is not known
	 * @public
	 * @static
	 * @returns {Error}
	 */


	function createInvalidLegacyPluginError(message, pluginType, pluginId) {
	  switch (pluginType) {
	    case 'reporter':
	      return createInvalidReporterError(message, pluginId);

	    case 'interface':
	      return createInvalidInterfaceError(message, pluginId);

	    default:
	      throw new Error('unknown pluginType "' + pluginType + '"');
	  }
	}
	/**
	 * **DEPRECATED**.  Use {@link createInvalidLegacyPluginError} instead  Dynamically creates a plugin-type-specific error based on plugin type
	 * @deprecated
	 * @param {string} message - Error message
	 * @param {"reporter"|"interface"} pluginType - Plugin type. Future: expand as needed
	 * @param {string} [pluginId] - Name/path of plugin, if any
	 * @throws When `pluginType` is not known
	 * @public
	 * @static
	 * @returns {Error}
	 */


	function createInvalidPluginError() {
	  deprecate$1('Use createInvalidLegacyPluginError() instead');
	  return createInvalidLegacyPluginError.apply(void 0, arguments);
	}
	/**
	 * Creates an error object to be thrown when a mocha object's `run` method is executed while it is already disposed.
	 * @param {string} message The error message to be displayed.
	 * @param {boolean} cleanReferencesAfterRun the value of `cleanReferencesAfterRun`
	 * @param {Mocha} instance the mocha instance that throw this error
	 * @static
	 */


	function createMochaInstanceAlreadyDisposedError(message, cleanReferencesAfterRun, instance) {
	  var err = new Error(message);
	  err.code = constants.INSTANCE_ALREADY_DISPOSED;
	  err.cleanReferencesAfterRun = cleanReferencesAfterRun;
	  err.instance = instance;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a mocha object's `run` method is called while a test run is in progress.
	 * @param {string} message The error message to be displayed.
	 * @static
	 * @public
	 */


	function createMochaInstanceAlreadyRunningError(message, instance) {
	  var err = new Error(message);
	  err.code = constants.INSTANCE_ALREADY_RUNNING;
	  err.instance = instance;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when done() is called multiple times in a test
	 *
	 * @public
	 * @param {Runnable} runnable - Original runnable
	 * @param {Error} [originalErr] - Original error, if any
	 * @returns {Error} instance detailing the error condition
	 * @static
	 */


	function createMultipleDoneError(runnable, originalErr) {
	  var title;

	  try {
	    title = format$1('<%s>', runnable.fullTitle());

	    if (runnable.parent.root) {
	      title += ' (of root suite)';
	    }
	  } catch (ignored) {
	    title = format$1('<%s> (of unknown suite)', runnable.title);
	  }

	  var message = format$1('done() called multiple times in %s %s', runnable.type ? runnable.type : 'unknown runnable', title);

	  if (runnable.file) {
	    message += format$1(' of file %s', runnable.file);
	  }

	  if (originalErr) {
	    message += format$1('; in addition, done() received error: %s', originalErr);
	  }

	  var err = new Error(message);
	  err.code = constants.MULTIPLE_DONE;
	  err.valueType = _typeof(originalErr);
	  err.value = originalErr;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when `.only()` is used with
	 * `--forbid-only`.
	 * @static
	 * @public
	 * @param {Mocha} mocha - Mocha instance
	 * @returns {Error} Error with code {@link constants.FORBIDDEN_EXCLUSIVITY}
	 */


	function createForbiddenExclusivityError(mocha) {
	  var err = new Error(mocha.isWorker ? '`.only` is not supported in parallel mode' : '`.only` forbidden by --forbid-only');
	  err.code = constants.FORBIDDEN_EXCLUSIVITY;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a plugin definition is invalid
	 * @static
	 * @param {string} msg - Error message
	 * @param {PluginDefinition} [pluginDef] - Problematic plugin definition
	 * @public
	 * @returns {Error} Error with code {@link constants.INVALID_PLUGIN_DEFINITION}
	 */


	function createInvalidPluginDefinitionError(msg, pluginDef) {
	  var err = new Error(msg);
	  err.code = constants.INVALID_PLUGIN_DEFINITION;
	  err.pluginDef = pluginDef;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a plugin implementation (user code) is invalid
	 * @static
	 * @param {string} msg - Error message
	 * @param {Object} [opts] - Plugin definition and user-supplied implementation
	 * @param {PluginDefinition} [opts.pluginDef] - Plugin Definition
	 * @param {*} [opts.pluginImpl] - Plugin Implementation (user-supplied)
	 * @public
	 * @returns {Error} Error with code {@link constants.INVALID_PLUGIN_DEFINITION}
	 */


	function createInvalidPluginImplementationError(msg) {
	  var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
	      pluginDef = _ref.pluginDef,
	      pluginImpl = _ref.pluginImpl;

	  var err = new Error(msg);
	  err.code = constants.INVALID_PLUGIN_IMPLEMENTATION;
	  err.pluginDef = pluginDef;
	  err.pluginImpl = pluginImpl;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a runnable exceeds its allowed run time.
	 * @static
	 * @param {string} msg - Error message
	 * @param {number} [timeout] - Timeout in ms
	 * @param {string} [file] - File, if given
	 * @returns {MochaTimeoutError}
	 */


	function createTimeoutError(msg, timeout, file) {
	  var err = new Error(msg);
	  err.code = constants.TIMEOUT;
	  err.timeout = timeout;
	  err.file = file;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when file is unparsable
	 * @public
	 * @static
	 * @param {string} message - Error message to be displayed.
	 * @param {string} filename - File name
	 * @returns {Error} Error with code {@link constants.UNPARSABLE_FILE}
	 */


	function createUnparsableFileError(message, filename) {
	  var err = new Error(message);
	  err.code = constants.UNPARSABLE_FILE;
	  return err;
	}
	/**
	 * Returns `true` if an error came out of Mocha.
	 * _Can suffer from false negatives, but not false positives._
	 * @static
	 * @public
	 * @param {*} err - Error, or anything
	 * @returns {boolean}
	 */


	var isMochaError = function isMochaError(err) {
	  return Boolean(err && _typeof(err) === 'object' && MOCHA_ERRORS.has(err.code));
	};

	var errors = {
	  constants: constants,
	  createFatalError: createFatalError,
	  createForbiddenExclusivityError: createForbiddenExclusivityError,
	  createInvalidArgumentTypeError: createInvalidArgumentTypeError,
	  createInvalidArgumentValueError: createInvalidArgumentValueError,
	  createInvalidExceptionError: createInvalidExceptionError,
	  createInvalidInterfaceError: createInvalidInterfaceError,
	  createInvalidLegacyPluginError: createInvalidLegacyPluginError,
	  createInvalidPluginDefinitionError: createInvalidPluginDefinitionError,
	  createInvalidPluginError: createInvalidPluginError,
	  createInvalidPluginImplementationError: createInvalidPluginImplementationError,
	  createInvalidReporterError: createInvalidReporterError,
	  createMissingArgumentError: createMissingArgumentError,
	  createMochaInstanceAlreadyDisposedError: createMochaInstanceAlreadyDisposedError,
	  createMochaInstanceAlreadyRunningError: createMochaInstanceAlreadyRunningError,
	  createMultipleDoneError: createMultipleDoneError,
	  createNoFilesMatchPatternError: createNoFilesMatchPatternError,
	  createTimeoutError: createTimeoutError,
	  createUnparsableFileError: createUnparsableFileError,
	  createUnsupportedError: createUnsupportedError,
	  deprecate: deprecate$1,
	  isMochaError: isMochaError,
	  warn: warn
	};

	var _nodeResolve_empty = {};

	var _nodeResolve_empty$1 = /*#__PURE__*/Object.freeze({
		__proto__: null,
		'default': _nodeResolve_empty
	});

	var require$$11 = getCjsExportFromNamespace(_nodeResolve_empty$1);

	var utils = createCommonjsModule(function (module, exports) {
	  /**
	   * Various utility functions used throughout Mocha's codebase.
	   * @module utils
	   */

	  /**
	   * Module dependencies.
	   */

	  var nanoid = nonSecure.nanoid;
	  var MOCHA_ID_PROP_NAME = '__mocha_id__';
	  /**
	   * Inherit the prototype methods from one constructor into another.
	   *
	   * @param {function} ctor - Constructor function which needs to inherit the
	   *     prototype.
	   * @param {function} superCtor - Constructor function to inherit prototype from.
	   * @throws {TypeError} if either constructor is null, or if super constructor
	   *     lacks a prototype.
	   */

	  exports.inherits = util.inherits;
	  /**
	   * Escape special characters in the given string of html.
	   *
	   * @private
	   * @param  {string} html
	   * @return {string}
	   */

	  exports.escape = function (html) {
	    return he.encode(String(html), {
	      useNamedReferences: false
	    });
	  };
	  /**
	   * Test if the given obj is type of string.
	   *
	   * @private
	   * @param {Object} obj
	   * @return {boolean}
	   */


	  exports.isString = function (obj) {
	    return typeof obj === 'string';
	  };
	  /**
	   * Compute a slug from the given `str`.
	   *
	   * @private
	   * @param {string} str
	   * @return {string}
	   */


	  exports.slug = function (str) {
	    return str.toLowerCase().replace(/\s+/g, '-').replace(/[^-\w]/g, '').replace(/-{2,}/g, '-');
	  };
	  /**
	   * Strip the function definition from `str`, and re-indent for pre whitespace.
	   *
	   * @param {string} str
	   * @return {string}
	   */


	  exports.clean = function (str) {
	    str = str.replace(/\r\n?|[\n\u2028\u2029]/g, '\n').replace(/^\uFEFF/, '') // (traditional)->  space/name     parameters    body     (lambda)-> parameters       body   multi-statement/single          keep body content
	    .replace(/^function(?:\s*|\s+[^(]*)\([^)]*\)\s*\{((?:.|\n)*?)\s*\}$|^\([^)]*\)\s*=>\s*(?:\{((?:.|\n)*?)\s*\}|((?:.|\n)*))$/, '$1$2$3');
	    var spaces = str.match(/^\n?( *)/)[1].length;
	    var tabs = str.match(/^\n?(\t*)/)[1].length;
	    var re = new RegExp('^\n?' + (tabs ? '\t' : ' ') + '{' + (tabs || spaces) + '}', 'gm');
	    str = str.replace(re, '');
	    return str.trim();
	  };
	  /**
	   * If a value could have properties, and has none, this function is called,
	   * which returns a string representation of the empty value.
	   *
	   * Functions w/ no properties return `'[Function]'`
	   * Arrays w/ length === 0 return `'[]'`
	   * Objects w/ no properties return `'{}'`
	   * All else: return result of `value.toString()`
	   *
	   * @private
	   * @param {*} value The value to inspect.
	   * @param {string} typeHint The type of the value
	   * @returns {string}
	   */


	  function emptyRepresentation(value, typeHint) {
	    switch (typeHint) {
	      case 'function':
	        return '[Function]';

	      case 'object':
	        return '{}';

	      case 'array':
	        return '[]';

	      default:
	        return value.toString();
	    }
	  }
	  /**
	   * Takes some variable and asks `Object.prototype.toString()` what it thinks it
	   * is.
	   *
	   * @private
	   * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
	   * @param {*} value The value to test.
	   * @returns {string} Computed type
	   * @example
	   * canonicalType({}) // 'object'
	   * canonicalType([]) // 'array'
	   * canonicalType(1) // 'number'
	   * canonicalType(false) // 'boolean'
	   * canonicalType(Infinity) // 'number'
	   * canonicalType(null) // 'null'
	   * canonicalType(new Date()) // 'date'
	   * canonicalType(/foo/) // 'regexp'
	   * canonicalType('type') // 'string'
	   * canonicalType(global) // 'global'
	   * canonicalType(new String('foo') // 'object'
	   * canonicalType(async function() {}) // 'asyncfunction'
	   * canonicalType(await import(name)) // 'module'
	   */


	  var canonicalType = exports.canonicalType = function canonicalType(value) {
	    if (value === undefined) {
	      return 'undefined';
	    } else if (value === null) {
	      return 'null';
	    } else if (isBuffer(value)) {
	      return 'buffer';
	    }

	    return Object.prototype.toString.call(value).replace(/^\[.+\s(.+?)]$/, '$1').toLowerCase();
	  };
	  /**
	   *
	   * Returns a general type or data structure of a variable
	   * @private
	   * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures
	   * @param {*} value The value to test.
	   * @returns {string} One of undefined, boolean, number, string, bigint, symbol, object
	   * @example
	   * type({}) // 'object'
	   * type([]) // 'array'
	   * type(1) // 'number'
	   * type(false) // 'boolean'
	   * type(Infinity) // 'number'
	   * type(null) // 'null'
	   * type(new Date()) // 'object'
	   * type(/foo/) // 'object'
	   * type('type') // 'string'
	   * type(global) // 'object'
	   * type(new String('foo') // 'string'
	   */


	  exports.type = function type(value) {
	    // Null is special
	    if (value === null) return 'null';
	    var primitives = new Set(['undefined', 'boolean', 'number', 'string', 'bigint', 'symbol']);

	    var _type = _typeof(value);

	    if (_type === 'function') return _type;
	    if (primitives.has(_type)) return _type;
	    if (value instanceof String) return 'string';
	    if (value instanceof Error) return 'error';
	    if (Array.isArray(value)) return 'array';
	    return _type;
	  };
	  /**
	   * Stringify `value`. Different behavior depending on type of value:
	   *
	   * - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively.
	   * - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes.
	   * - If `value` is an *empty* object, function, or array, return result of function
	   *   {@link emptyRepresentation}.
	   * - If `value` has properties, call {@link exports.canonicalize} on it, then return result of
	   *   JSON.stringify().
	   *
	   * @private
	   * @see exports.type
	   * @param {*} value
	   * @return {string}
	   */


	  exports.stringify = function (value) {
	    var typeHint = canonicalType(value);

	    if (!~['object', 'array', 'function'].indexOf(typeHint)) {
	      if (typeHint === 'buffer') {
	        var json = Buffer.prototype.toJSON.call(value); // Based on the toJSON result

	        return jsonStringify(json.data && json.type ? json.data : json, 2).replace(/,(\n|$)/g, '$1');
	      } // IE7/IE8 has a bizarre String constructor; needs to be coerced
	      // into an array and back to obj.


	      if (typeHint === 'string' && _typeof(value) === 'object') {
	        value = value.split('').reduce(function (acc, _char, idx) {
	          acc[idx] = _char;
	          return acc;
	        }, {});
	        typeHint = 'object';
	      } else {
	        return jsonStringify(value);
	      }
	    }

	    for (var prop in value) {
	      if (Object.prototype.hasOwnProperty.call(value, prop)) {
	        return jsonStringify(exports.canonicalize(value, null, typeHint), 2).replace(/,(\n|$)/g, '$1');
	      }
	    }

	    return emptyRepresentation(value, typeHint);
	  };
	  /**
	   * like JSON.stringify but more sense.
	   *
	   * @private
	   * @param {Object}  object
	   * @param {number=} spaces
	   * @param {number=} depth
	   * @returns {*}
	   */


	  function jsonStringify(object, spaces, depth) {
	    if (typeof spaces === 'undefined') {
	      // primitive types
	      return _stringify(object);
	    }

	    depth = depth || 1;
	    var space = spaces * depth;
	    var str = Array.isArray(object) ? '[' : '{';
	    var end = Array.isArray(object) ? ']' : '}';
	    var length = typeof object.length === 'number' ? object.length : Object.keys(object).length; // `.repeat()` polyfill

	    function repeat(s, n) {
	      return new Array(n).join(s);
	    }

	    function _stringify(val) {
	      switch (canonicalType(val)) {
	        case 'null':
	        case 'undefined':
	          val = '[' + val + ']';
	          break;

	        case 'array':
	        case 'object':
	          val = jsonStringify(val, spaces, depth + 1);
	          break;

	        case 'boolean':
	        case 'regexp':
	        case 'symbol':
	        case 'number':
	          val = val === 0 && 1 / val === -Infinity // `-0`
	          ? '-0' : val.toString();
	          break;

	        case 'bigint':
	          val = val.toString() + 'n';
	          break;

	        case 'date':
	          var sDate = isNaN(val.getTime()) ? val.toString() : val.toISOString();
	          val = '[Date: ' + sDate + ']';
	          break;

	        case 'buffer':
	          var json = val.toJSON(); // Based on the toJSON result

	          json = json.data && json.type ? json.data : json;
	          val = '[Buffer: ' + jsonStringify(json, 2, depth + 1) + ']';
	          break;

	        default:
	          val = val === '[Function]' || val === '[Circular]' ? val : JSON.stringify(val);
	        // string
	      }

	      return val;
	    }

	    for (var i in object) {
	      if (!Object.prototype.hasOwnProperty.call(object, i)) {
	        continue; // not my business
	      }

	      --length;
	      str += '\n ' + repeat(' ', space) + (Array.isArray(object) ? '' : '"' + i + '": ') + // key
	      _stringify(object[i]) + ( // value
	      length ? ',' : ''); // comma
	    }

	    return str + ( // [], {}
	    str.length !== 1 ? '\n' + repeat(' ', --space) + end : end);
	  }
	  /**
	   * Return a new Thing that has the keys in sorted order. Recursive.
	   *
	   * If the Thing...
	   * - has already been seen, return string `'[Circular]'`
	   * - is `undefined`, return string `'[undefined]'`
	   * - is `null`, return value `null`
	   * - is some other primitive, return the value
	   * - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method
	   * - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again.
	   * - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()`
	   *
	   * @private
	   * @see {@link exports.stringify}
	   * @param {*} value Thing to inspect.  May or may not have properties.
	   * @param {Array} [stack=[]] Stack of seen values
	   * @param {string} [typeHint] Type hint
	   * @return {(Object|Array|Function|string|undefined)}
	   */


	  exports.canonicalize = function canonicalize(value, stack, typeHint) {
	    var canonicalizedObj;
	    /* eslint-disable no-unused-vars */

	    var prop;
	    /* eslint-enable no-unused-vars */

	    typeHint = typeHint || canonicalType(value);

	    function withStack(value, fn) {
	      stack.push(value);
	      fn();
	      stack.pop();
	    }

	    stack = stack || [];

	    if (stack.indexOf(value) !== -1) {
	      return '[Circular]';
	    }

	    switch (typeHint) {
	      case 'undefined':
	      case 'buffer':
	      case 'null':
	        canonicalizedObj = value;
	        break;

	      case 'array':
	        withStack(value, function () {
	          canonicalizedObj = value.map(function (item) {
	            return exports.canonicalize(item, stack);
	          });
	        });
	        break;

	      case 'function':
	        /* eslint-disable-next-line no-unused-vars */
	        for (prop in value) {
	          canonicalizedObj = {};
	          break;
	        }
	        /* eslint-enable guard-for-in */


	        if (!canonicalizedObj) {
	          canonicalizedObj = emptyRepresentation(value, typeHint);
	          break;
	        }

	      /* falls through */

	      case 'object':
	        canonicalizedObj = canonicalizedObj || {};
	        withStack(value, function () {
	          Object.keys(value).sort().forEach(function (key) {
	            canonicalizedObj[key] = exports.canonicalize(value[key], stack);
	          });
	        });
	        break;

	      case 'date':
	      case 'number':
	      case 'regexp':
	      case 'boolean':
	      case 'symbol':
	        canonicalizedObj = value;
	        break;

	      default:
	        canonicalizedObj = value + '';
	    }

	    return canonicalizedObj;
	  };
	  /**
	   * @summary
	   * This Filter based on `mocha-clean` module.(see: `github.com/rstacruz/mocha-clean`)
	   * @description
	   * When invoking this function you get a filter function that get the Error.stack as an input,
	   * and return a prettify output.
	   * (i.e: strip Mocha and internal node functions from stack trace).
	   * @returns {Function}
	   */


	  exports.stackTraceFilter = function () {
	    // TODO: Replace with `process.browser`
	    var is = typeof document === 'undefined' ? {
	      node: true
	    } : {
	      browser: true
	    };
	    var slash = path$1.sep;
	    var cwd;

	    if (is.node) {
	      cwd = exports.cwd() + slash;
	    } else {
	      cwd = (typeof location === 'undefined' ? window.location : location).href.replace(/\/[^/]*$/, '/');
	      slash = '/';
	    }

	    function isMochaInternal(line) {
	      return ~line.indexOf('node_modules' + slash + 'mocha' + slash) || ~line.indexOf(slash + 'mocha.js') || ~line.indexOf(slash + 'mocha.min.js');
	    }

	    function isNodeInternal(line) {
	      return ~line.indexOf('(timers.js:') || ~line.indexOf('(events.js:') || ~line.indexOf('(node.js:') || ~line.indexOf('(module.js:') || ~line.indexOf('GeneratorFunctionPrototype.next (native)') || false;
	    }

	    return function (stack) {
	      stack = stack.split('\n');
	      stack = stack.reduce(function (list, line) {
	        if (isMochaInternal(line)) {
	          return list;
	        }

	        if (is.node && isNodeInternal(line)) {
	          return list;
	        } // Clean up cwd(absolute)


	        if (/:\d+:\d+\)?$/.test(line)) {
	          line = line.replace('(' + cwd, '(');
	        }

	        list.push(line);
	        return list;
	      }, []);
	      return stack.join('\n');
	    };
	  };
	  /**
	   * Crude, but effective.
	   * @public
	   * @param {*} value
	   * @returns {boolean} Whether or not `value` is a Promise
	   */


	  exports.isPromise = function isPromise(value) {
	    return _typeof(value) === 'object' && value !== null && typeof value.then === 'function';
	  };
	  /**
	   * Clamps a numeric value to an inclusive range.
	   *
	   * @param {number} value - Value to be clamped.
	   * @param {number[]} range - Two element array specifying [min, max] range.
	   * @returns {number} clamped value
	   */


	  exports.clamp = function clamp(value, range) {
	    return Math.min(Math.max(value, range[0]), range[1]);
	  };
	  /**
	   * Single quote text by combining with undirectional ASCII quotation marks.
	   *
	   * @description
	   * Provides a simple means of markup for quoting text to be used in output.
	   * Use this to quote names of variables, methods, and packages.
	   *
	   * <samp>package 'foo' cannot be found</samp>
	   *
	   * @private
	   * @param {string} str - Value to be quoted.
	   * @returns {string} quoted value
	   * @example
	   * sQuote('n') // => 'n'
	   */


	  exports.sQuote = function (str) {
	    return "'" + str + "'";
	  };
	  /**
	   * Double quote text by combining with undirectional ASCII quotation marks.
	   *
	   * @description
	   * Provides a simple means of markup for quoting text to be used in output.
	   * Use this to quote names of datatypes, classes, pathnames, and strings.
	   *
	   * <samp>argument 'value' must be "string" or "number"</samp>
	   *
	   * @private
	   * @param {string} str - Value to be quoted.
	   * @returns {string} quoted value
	   * @example
	   * dQuote('number') // => "number"
	   */


	  exports.dQuote = function (str) {
	    return '"' + str + '"';
	  };
	  /**
	   * It's a noop.
	   * @public
	   */


	  exports.noop = function () {};
	  /**
	   * Creates a map-like object.
	   *
	   * @description
	   * A "map" is an object with no prototype, for our purposes. In some cases
	   * this would be more appropriate than a `Map`, especially if your environment
	   * doesn't support it. Recommended for use in Mocha's public APIs.
	   *
	   * @public
	   * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Custom_and_Null_objects|MDN:Map}
	   * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create#Custom_and_Null_objects|MDN:Object.create - Custom objects}
	   * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Custom_and_Null_objects|MDN:Object.assign}
	   * @param {...*} [obj] - Arguments to `Object.assign()`.
	   * @returns {Object} An object with no prototype, having `...obj` properties
	   */


	  exports.createMap = function (obj) {
	    return Object.assign.apply(null, [Object.create(null)].concat(Array.prototype.slice.call(arguments)));
	  };
	  /**
	   * Creates a read-only map-like object.
	   *
	   * @description
	   * This differs from {@link module:utils.createMap createMap} only in that
	   * the argument must be non-empty, because the result is frozen.
	   *
	   * @see {@link module:utils.createMap createMap}
	   * @param {...*} [obj] - Arguments to `Object.assign()`.
	   * @returns {Object} A frozen object with no prototype, having `...obj` properties
	   * @throws {TypeError} if argument is not a non-empty object.
	   */


	  exports.defineConstants = function (obj) {
	    if (canonicalType(obj) !== 'object' || !Object.keys(obj).length) {
	      throw new TypeError('Invalid argument; expected a non-empty object');
	    }

	    return Object.freeze(exports.createMap(obj));
	  };
	  /**
	   * Whether current version of Node support ES modules
	   *
	   * @description
	   * Versions prior to 10 did not support ES Modules, and version 10 has an old incompatible version of ESM.
	   * This function returns whether Node.JS has ES Module supports that is compatible with Mocha's needs,
	   * which is version >=12.11.
	   *
	   * @param {partialSupport} whether the full Node.js ESM support is available (>= 12) or just something that supports the runtime (>= 10)
	   *
	   * @returns {Boolean} whether the current version of Node.JS supports ES Modules in a way that is compatible with Mocha
	   */


	  exports.supportsEsModules = function (partialSupport) {
	    if (!exports.isBrowser() && process$1.versions && process$1.versions.node) {
	      var versionFields = process$1.versions.node.split('.');
	      var major = +versionFields[0];
	      var minor = +versionFields[1];

	      if (!partialSupport) {
	        return major >= 13 || major === 12 && minor >= 11;
	      } else {
	        return major >= 10;
	      }
	    }
	  };
	  /**
	   * Returns current working directory
	   *
	   * Wrapper around `process.cwd()` for isolation
	   * @private
	   */


	  exports.cwd = function cwd() {
	    return process$1.cwd();
	  };
	  /**
	   * Returns `true` if Mocha is running in a browser.
	   * Checks for `process.browser`.
	   * @returns {boolean}
	   * @private
	   */


	  exports.isBrowser = function isBrowser() {
	    return Boolean(browser$1);
	  };
	  /**
	   * Lookup file names at the given `path`.
	   *
	   * @description
	   * Filenames are returned in _traversal_ order by the OS/filesystem.
	   * **Make no assumption that the names will be sorted in any fashion.**
	   *
	   * @public
	   * @alias module:lib/cli.lookupFiles
	   * @param {string} filepath - Base path to start searching from.
	   * @param {string[]} [extensions=[]] - File extensions to look for.
	   * @param {boolean} [recursive=false] - Whether to recurse into subdirectories.
	   * @return {string[]} An array of paths.
	   * @throws {Error} if no files match pattern.
	   * @throws {TypeError} if `filepath` is directory and `extensions` not provided.
	   * @deprecated Moved to {@link module:lib/cli.lookupFiles}
	   */


	  exports.lookupFiles = function () {
	    if (exports.isBrowser()) {
	      throw errors.createUnsupportedError('lookupFiles() is only supported in Node.js!');
	    }

	    errors.deprecate('`lookupFiles()` in module `mocha/lib/utils` has moved to module `mocha/lib/cli` and will be removed in the next major revision of Mocha');
	    return require$$11.lookupFiles.apply(require$$11, arguments);
	  };
	  /*
	   * Casts `value` to an array; useful for optionally accepting array parameters
	   *
	   * It follows these rules, depending on `value`.  If `value` is...
	   * 1. `undefined`: return an empty Array
	   * 2. `null`: return an array with a single `null` element
	   * 3. Any other object: return the value of `Array.from()` _if_ the object is iterable
	   * 4. otherwise: return an array with a single element, `value`
	   * @param {*} value - Something to cast to an Array
	   * @returns {Array<*>}
	   */


	  exports.castArray = function castArray(value) {
	    if (value === undefined) {
	      return [];
	    }

	    if (value === null) {
	      return [null];
	    }

	    if (_typeof(value) === 'object' && (typeof value[Symbol.iterator] === 'function' || value.length !== undefined)) {
	      return Array.from(value);
	    }

	    return [value];
	  };

	  exports.constants = exports.defineConstants({
	    MOCHA_ID_PROP_NAME: MOCHA_ID_PROP_NAME
	  });
	  /**
	   * Creates a new unique identifier
	   * @returns {string} Unique identifier
	   */

	  exports.uniqueID = function () {
	    return nanoid();
	  };

	  exports.assignNewMochaID = function (obj) {
	    var id = exports.uniqueID();
	    Object.defineProperty(obj, MOCHA_ID_PROP_NAME, {
	      get: function get() {
	        return id;
	      }
	    });
	    return obj;
	  };
	  /**
	   * Retrieves a Mocha ID from an object, if present.
	   * @param {*} [obj] - Object
	   * @returns {string|void}
	   */


	  exports.getMochaID = function (obj) {
	    return obj && _typeof(obj) === 'object' ? obj[MOCHA_ID_PROP_NAME] : undefined;
	  };
	});

	// `Map` constructor
	// https://tc39.es/ecma262/#sec-map-objects
	collection('Map', function (init) {
	  return function Map() { return init(this, arguments.length ? arguments[0] : undefined); };
	}, collectionStrong);

	/**
	 @module Pending
	*/

	var pending = Pending;
	/**
	 * Initialize a new `Pending` error with the given message.
	 *
	 * @param {string} message
	 */

	function Pending(message) {
	  this.message = message;
	}

	/**
	 * Helpers.
	 */
	var s$1 = 1000;
	var m$1 = s$1 * 60;
	var h$1 = m$1 * 60;
	var d$1 = h$1 * 24;
	var w$1 = d$1 * 7;
	var y$1 = d$1 * 365.25;
	/**
	 * Parse or format the given `val`.
	 *
	 * Options:
	 *
	 *  - `long` verbose formatting [false]
	 *
	 * @param {String|Number} val
	 * @param {Object} [options]
	 * @throws {Error} throw an error if val is not a non-empty string or a number
	 * @return {String|Number}
	 * @api public
	 */

	var ms$1 = function ms(val, options) {
	  options = options || {};

	  var type = _typeof(val);

	  if (type === 'string' && val.length > 0) {
	    return parse$1(val);
	  } else if (type === 'number' && isFinite(val)) {
	    return options["long"] ? fmtLong$1(val) : fmtShort$1(val);
	  }

	  throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val));
	};
	/**
	 * Parse the given `str` and return milliseconds.
	 *
	 * @param {String} str
	 * @return {Number}
	 * @api private
	 */


	function parse$1(str) {
	  str = String(str);

	  if (str.length > 100) {
	    return;
	  }

	  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);

	  if (!match) {
	    return;
	  }

	  var n = parseFloat(match[1]);
	  var type = (match[2] || 'ms').toLowerCase();

	  switch (type) {
	    case 'years':
	    case 'year':
	    case 'yrs':
	    case 'yr':
	    case 'y':
	      return n * y$1;

	    case 'weeks':
	    case 'week':
	    case 'w':
	      return n * w$1;

	    case 'days':
	    case 'day':
	    case 'd':
	      return n * d$1;

	    case 'hours':
	    case 'hour':
	    case 'hrs':
	    case 'hr':
	    case 'h':
	      return n * h$1;

	    case 'minutes':
	    case 'minute':
	    case 'mins':
	    case 'min':
	    case 'm':
	      return n * m$1;

	    case 'seconds':
	    case 'second':
	    case 'secs':
	    case 'sec':
	    case 's':
	      return n * s$1;

	    case 'milliseconds':
	    case 'millisecond':
	    case 'msecs':
	    case 'msec':
	    case 'ms':
	      return n;

	    default:
	      return undefined;
	  }
	}
	/**
	 * Short format for `ms`.
	 *
	 * @param {Number} ms
	 * @return {String}
	 * @api private
	 */


	function fmtShort$1(ms) {
	  var msAbs = Math.abs(ms);

	  if (msAbs >= d$1) {
	    return Math.round(ms / d$1) + 'd';
	  }

	  if (msAbs >= h$1) {
	    return Math.round(ms / h$1) + 'h';
	  }

	  if (msAbs >= m$1) {
	    return Math.round(ms / m$1) + 'm';
	  }

	  if (msAbs >= s$1) {
	    return Math.round(ms / s$1) + 's';
	  }

	  return ms + 'ms';
	}
	/**
	 * Long format for `ms`.
	 *
	 * @param {Number} ms
	 * @return {String}
	 * @api private
	 */


	function fmtLong$1(ms) {
	  var msAbs = Math.abs(ms);

	  if (msAbs >= d$1) {
	    return plural$1(ms, msAbs, d$1, 'day');
	  }

	  if (msAbs >= h$1) {
	    return plural$1(ms, msAbs, h$1, 'hour');
	  }

	  if (msAbs >= m$1) {
	    return plural$1(ms, msAbs, m$1, 'minute');
	  }

	  if (msAbs >= s$1) {
	    return plural$1(ms, msAbs, s$1, 'second');
	  }

	  return ms + ' ms';
	}
	/**
	 * Pluralization helper.
	 */


	function plural$1(ms, msAbs, n, name) {
	  var isPlural = msAbs >= n * 1.5;
	  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
	}

	/**
	 * This is the common logic for both the Node.js and web browser
	 * implementations of `debug()`.
	 */

	function setup(env) {
	  createDebug.debug = createDebug;
	  createDebug["default"] = createDebug;
	  createDebug.coerce = coerce;
	  createDebug.disable = disable;
	  createDebug.enable = enable;
	  createDebug.enabled = enabled;
	  createDebug.humanize = ms$1;
	  createDebug.destroy = destroy;
	  Object.keys(env).forEach(function (key) {
	    createDebug[key] = env[key];
	  });
	  /**
	  * The currently active debug mode names, and names to skip.
	  */

	  createDebug.names = [];
	  createDebug.skips = [];
	  /**
	  * Map of special "%n" handling functions, for the debug "format" argument.
	  *
	  * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
	  */

	  createDebug.formatters = {};
	  /**
	  * Selects a color for a debug namespace
	  * @param {String} namespace The namespace string for the for the debug instance to be colored
	  * @return {Number|String} An ANSI color code for the given namespace
	  * @api private
	  */

	  function selectColor(namespace) {
	    var hash = 0;

	    for (var i = 0; i < namespace.length; i++) {
	      hash = (hash << 5) - hash + namespace.charCodeAt(i);
	      hash |= 0; // Convert to 32bit integer
	    }

	    return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
	  }

	  createDebug.selectColor = selectColor;
	  /**
	  * Create a debugger with the given `namespace`.
	  *
	  * @param {String} namespace
	  * @return {Function}
	  * @api public
	  */

	  function createDebug(namespace) {
	    var prevTime;
	    var enableOverride = null;

	    function debug() {
	      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
	        args[_key] = arguments[_key];
	      }

	      // Disabled?
	      if (!debug.enabled) {
	        return;
	      }

	      var self = debug; // Set `diff` timestamp

	      var curr = Number(new Date());
	      var ms = curr - (prevTime || curr);
	      self.diff = ms;
	      self.prev = prevTime;
	      self.curr = curr;
	      prevTime = curr;
	      args[0] = createDebug.coerce(args[0]);

	      if (typeof args[0] !== 'string') {
	        // Anything else let's inspect with %O
	        args.unshift('%O');
	      } // Apply any `formatters` transformations


	      var index = 0;
	      args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) {
	        // If we encounter an escaped % then don't increase the array index
	        if (match === '%%') {
	          return '%';
	        }

	        index++;
	        var formatter = createDebug.formatters[format];

	        if (typeof formatter === 'function') {
	          var val = args[index];
	          match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`

	          args.splice(index, 1);
	          index--;
	        }

	        return match;
	      }); // Apply env-specific formatting (colors, etc.)

	      createDebug.formatArgs.call(self, args);
	      var logFn = self.log || createDebug.log;
	      logFn.apply(self, args);
	    }

	    debug.namespace = namespace;
	    debug.useColors = createDebug.useColors();
	    debug.color = createDebug.selectColor(namespace);
	    debug.extend = extend;
	    debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.

	    Object.defineProperty(debug, 'enabled', {
	      enumerable: true,
	      configurable: false,
	      get: function get() {
	        return enableOverride === null ? createDebug.enabled(namespace) : enableOverride;
	      },
	      set: function set(v) {
	        enableOverride = v;
	      }
	    }); // Env-specific initialization logic for debug instances

	    if (typeof createDebug.init === 'function') {
	      createDebug.init(debug);
	    }

	    return debug;
	  }

	  function extend(namespace, delimiter) {
	    var newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
	    newDebug.log = this.log;
	    return newDebug;
	  }
	  /**
	  * Enables a debug mode by namespaces. This can include modes
	  * separated by a colon and wildcards.
	  *
	  * @param {String} namespaces
	  * @api public
	  */


	  function enable(namespaces) {
	    createDebug.save(namespaces);
	    createDebug.names = [];
	    createDebug.skips = [];
	    var i;
	    var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
	    var len = split.length;

	    for (i = 0; i < len; i++) {
	      if (!split[i]) {
	        // ignore empty strings
	        continue;
	      }

	      namespaces = split[i].replace(/\*/g, '.*?');

	      if (namespaces[0] === '-') {
	        createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
	      } else {
	        createDebug.names.push(new RegExp('^' + namespaces + '$'));
	      }
	    }
	  }
	  /**
	  * Disable debug output.
	  *
	  * @return {String} namespaces
	  * @api public
	  */


	  function disable() {
	    var namespaces = [].concat(_toConsumableArray(createDebug.names.map(toNamespace)), _toConsumableArray(createDebug.skips.map(toNamespace).map(function (namespace) {
	      return '-' + namespace;
	    }))).join(',');
	    createDebug.enable('');
	    return namespaces;
	  }
	  /**
	  * Returns true if the given mode name is enabled, false otherwise.
	  *
	  * @param {String} name
	  * @return {Boolean}
	  * @api public
	  */


	  function enabled(name) {
	    if (name[name.length - 1] === '*') {
	      return true;
	    }

	    var i;
	    var len;

	    for (i = 0, len = createDebug.skips.length; i < len; i++) {
	      if (createDebug.skips[i].test(name)) {
	        return false;
	      }
	    }

	    for (i = 0, len = createDebug.names.length; i < len; i++) {
	      if (createDebug.names[i].test(name)) {
	        return true;
	      }
	    }

	    return false;
	  }
	  /**
	  * Convert regexp to namespace
	  *
	  * @param {RegExp} regxep
	  * @return {String} namespace
	  * @api private
	  */


	  function toNamespace(regexp) {
	    return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
	  }
	  /**
	  * Coerce `val`.
	  *
	  * @param {Mixed} val
	  * @return {Mixed}
	  * @api private
	  */


	  function coerce(val) {
	    if (val instanceof Error) {
	      return val.stack || val.message;
	    }

	    return val;
	  }
	  /**
	  * XXX DO NOT USE. This is a temporary stub function.
	  * XXX It WILL be removed in the next major release.
	  */


	  function destroy() {
	    console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
	  }

	  createDebug.enable(createDebug.load());
	  return createDebug;
	}

	var common = setup;

	var browser$2 = createCommonjsModule(function (module, exports) {
	  /* eslint-env browser */

	  /**
	   * This is the web browser implementation of `debug()`.
	   */
	  exports.formatArgs = formatArgs;
	  exports.save = save;
	  exports.load = load;
	  exports.useColors = useColors;
	  exports.storage = localstorage();

	  exports.destroy = function () {
	    var warned = false;
	    return function () {
	      if (!warned) {
	        warned = true;
	        console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
	      }
	    };
	  }();
	  /**
	   * Colors.
	   */


	  exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
	  /**
	   * Currently only WebKit-based Web Inspectors, Firefox >= v31,
	   * and the Firebug extension (any Firefox version) are known
	   * to support "%c" CSS customizations.
	   *
	   * TODO: add a `localStorage` variable to explicitly enable/disable colors
	   */
	  // eslint-disable-next-line complexity

	  function useColors() {
	    // NB: In an Electron preload script, document will be defined but not fully
	    // initialized. Since we know we're in Chrome, we'll just detect this case
	    // explicitly
	    if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
	      return true;
	    } // Internet Explorer and Edge do not support colors.


	    if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
	      return false;
	    } // Is webkit? http://stackoverflow.com/a/16459606/376773
	    // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632


	    return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773
	    typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?
	    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
	    typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker
	    typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
	  }
	  /**
	   * Colorize log arguments if enabled.
	   *
	   * @api public
	   */


	  function formatArgs(args) {
	    args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);

	    if (!this.useColors) {
	      return;
	    }

	    var c = 'color: ' + this.color;
	    args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other
	    // arguments passed either before or after the %c, so we need to
	    // figure out the correct index to insert the CSS into

	    var index = 0;
	    var lastC = 0;
	    args[0].replace(/%[a-zA-Z%]/g, function (match) {
	      if (match === '%%') {
	        return;
	      }

	      index++;

	      if (match === '%c') {
	        // We only are interested in the *last* %c
	        // (the user may have provided their own)
	        lastC = index;
	      }
	    });
	    args.splice(lastC, 0, c);
	  }
	  /**
	   * Invokes `console.debug()` when available.
	   * No-op when `console.debug` is not a "function".
	   * If `console.debug` is not available, falls back
	   * to `console.log`.
	   *
	   * @api public
	   */


	  exports.log = console.debug || console.log || function () {};
	  /**
	   * Save `namespaces`.
	   *
	   * @param {String} namespaces
	   * @api private
	   */


	  function save(namespaces) {
	    try {
	      if (namespaces) {
	        exports.storage.setItem('debug', namespaces);
	      } else {
	        exports.storage.removeItem('debug');
	      }
	    } catch (error) {// Swallow
	      // XXX (@Qix-) should we be logging these?
	    }
	  }
	  /**
	   * Load `namespaces`.
	   *
	   * @return {String} returns the previously persisted debug modes
	   * @api private
	   */


	  function load() {
	    var r;

	    try {
	      r = exports.storage.getItem('debug');
	    } catch (error) {// Swallow
	      // XXX (@Qix-) should we be logging these?
	    } // If debug isn't set in LS, and we're in Electron, try to load $DEBUG


	    if (!r && typeof process$1 !== 'undefined' && 'env' in process$1) {
	      r = process$1.env.DEBUG;
	    }

	    return r;
	  }
	  /**
	   * Localstorage attempts to return the localstorage.
	   *
	   * This is necessary because safari throws
	   * when a user disables cookies/localstorage
	   * and you attempt to access it.
	   *
	   * @return {LocalStorage}
	   * @api private
	   */


	  function localstorage() {
	    try {
	      // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
	      // The Browser also has localStorage in the global context.
	      return localStorage;
	    } catch (error) {// Swallow
	      // XXX (@Qix-) should we be logging these?
	    }
	  }

	  module.exports = common(exports);
	  var formatters = module.exports.formatters;
	  /**
	   * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
	   */

	  formatters.j = function (v) {
	    try {
	      return JSON.stringify(v);
	    } catch (error) {
	      return '[UnexpectedJSONParseError]: ' + error.message;
	    }
	  };
	});

	var EventEmitter$1 = EventEmitter.EventEmitter;
	var debug$1 = browser$2('mocha:runnable');
	var createInvalidExceptionError$1 = errors.createInvalidExceptionError,
	    createMultipleDoneError$1 = errors.createMultipleDoneError,
	    createTimeoutError$1 = errors.createTimeoutError;
	/**
	 * Save timer references to avoid Sinon interfering (see GH-237).
	 * @private
	 */

	var Date$1 = commonjsGlobal.Date;
	var setTimeout$1 = commonjsGlobal.setTimeout;
	var clearTimeout$1 = commonjsGlobal.clearTimeout;
	var toString$4 = Object.prototype.toString;
	var runnable = Runnable;
	/**
	 * Initialize a new `Runnable` with the given `title` and callback `fn`.
	 *
	 * @class
	 * @extends external:EventEmitter
	 * @public
	 * @param {String} title
	 * @param {Function} fn
	 */

	function Runnable(title, fn) {
	  this.title = title;
	  this.fn = fn;
	  this.body = (fn || '').toString();
	  this.async = fn && fn.length;
	  this.sync = !this.async;
	  this._timeout = 2000;
	  this._slow = 75;
	  this._retries = -1;
	  utils.assignNewMochaID(this);
	  Object.defineProperty(this, 'id', {
	    get: function get() {
	      return utils.getMochaID(this);
	    }
	  });
	  this.reset();
	}
	/**
	 * Inherit from `EventEmitter.prototype`.
	 */


	utils.inherits(Runnable, EventEmitter$1);
	/**
	 * Resets the state initially or for a next run.
	 */

	Runnable.prototype.reset = function () {
	  this.timedOut = false;
	  this._currentRetry = 0;
	  this.pending = false;
	  delete this.state;
	  delete this.err;
	};
	/**
	 * Get current timeout value in msecs.
	 *
	 * @private
	 * @returns {number} current timeout threshold value
	 */

	/**
	 * @summary
	 * Set timeout threshold value (msecs).
	 *
	 * @description
	 * A string argument can use shorthand (e.g., "2s") and will be converted.
	 * The value will be clamped to range [<code>0</code>, <code>2^<sup>31</sup>-1</code>].
	 * If clamped value matches either range endpoint, timeouts will be disabled.
	 *
	 * @private
	 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout#Maximum_delay_value}
	 * @param {number|string} ms - Timeout threshold value.
	 * @returns {Runnable} this
	 * @chainable
	 */


	Runnable.prototype.timeout = function (ms$1) {
	  if (!arguments.length) {
	    return this._timeout;
	  }

	  if (typeof ms$1 === 'string') {
	    ms$1 = ms(ms$1);
	  } // Clamp to range


	  var INT_MAX = Math.pow(2, 31) - 1;
	  var range = [0, INT_MAX];
	  ms$1 = utils.clamp(ms$1, range); // see #1652 for reasoning

	  if (ms$1 === range[0] || ms$1 === range[1]) {
	    this._timeout = 0;
	  } else {
	    this._timeout = ms$1;
	  }

	  debug$1('timeout %d', this._timeout);

	  if (this.timer) {
	    this.resetTimeout();
	  }

	  return this;
	};
	/**
	 * Set or get slow `ms`.
	 *
	 * @private
	 * @param {number|string} ms
	 * @return {Runnable|number} ms or Runnable instance.
	 */


	Runnable.prototype.slow = function (ms$1) {
	  if (!arguments.length || typeof ms$1 === 'undefined') {
	    return this._slow;
	  }

	  if (typeof ms$1 === 'string') {
	    ms$1 = ms(ms$1);
	  }

	  debug$1('slow %d', ms$1);
	  this._slow = ms$1;
	  return this;
	};
	/**
	 * Halt and mark as pending.
	 *
	 * @memberof Mocha.Runnable
	 * @public
	 */


	Runnable.prototype.skip = function () {
	  this.pending = true;
	  throw new pending('sync skip; aborting execution');
	};
	/**
	 * Check if this runnable or its parent suite is marked as pending.
	 *
	 * @private
	 */


	Runnable.prototype.isPending = function () {
	  return this.pending || this.parent && this.parent.isPending();
	};
	/**
	 * Return `true` if this Runnable has failed.
	 * @return {boolean}
	 * @private
	 */


	Runnable.prototype.isFailed = function () {
	  return !this.isPending() && this.state === constants$1.STATE_FAILED;
	};
	/**
	 * Return `true` if this Runnable has passed.
	 * @return {boolean}
	 * @private
	 */


	Runnable.prototype.isPassed = function () {
	  return !this.isPending() && this.state === constants$1.STATE_PASSED;
	};
	/**
	 * Set or get number of retries.
	 *
	 * @private
	 */


	Runnable.prototype.retries = function (n) {
	  if (!arguments.length) {
	    return this._retries;
	  }

	  this._retries = n;
	};
	/**
	 * Set or get current retry
	 *
	 * @private
	 */


	Runnable.prototype.currentRetry = function (n) {
	  if (!arguments.length) {
	    return this._currentRetry;
	  }

	  this._currentRetry = n;
	};
	/**
	 * Return the full title generated by recursively concatenating the parent's
	 * full title.
	 *
	 * @memberof Mocha.Runnable
	 * @public
	 * @return {string}
	 */


	Runnable.prototype.fullTitle = function () {
	  return this.titlePath().join(' ');
	};
	/**
	 * Return the title path generated by concatenating the parent's title path with the title.
	 *
	 * @memberof Mocha.Runnable
	 * @public
	 * @return {string}
	 */


	Runnable.prototype.titlePath = function () {
	  return this.parent.titlePath().concat([this.title]);
	};
	/**
	 * Clear the timeout.
	 *
	 * @private
	 */


	Runnable.prototype.clearTimeout = function () {
	  clearTimeout$1(this.timer);
	};
	/**
	 * Reset the timeout.
	 *
	 * @private
	 */


	Runnable.prototype.resetTimeout = function () {
	  var self = this;
	  var ms = this.timeout();

	  if (ms === 0) {
	    return;
	  }

	  this.clearTimeout();
	  this.timer = setTimeout$1(function () {
	    if (self.timeout() === 0) {
	      return;
	    }

	    self.callback(self._timeoutError(ms));
	    self.timedOut = true;
	  }, ms);
	};
	/**
	 * Set or get a list of whitelisted globals for this test run.
	 *
	 * @private
	 * @param {string[]} globals
	 */


	Runnable.prototype.globals = function (globals) {
	  if (!arguments.length) {
	    return this._allowedGlobals;
	  }

	  this._allowedGlobals = globals;
	};
	/**
	 * Run the test and invoke `fn(err)`.
	 *
	 * @param {Function} fn
	 * @private
	 */


	Runnable.prototype.run = function (fn) {
	  var self = this;
	  var start = new Date$1();
	  var ctx = this.ctx;
	  var finished;
	  var errorWasHandled = false;
	  if (this.isPending()) return fn(); // Sometimes the ctx exists, but it is not runnable

	  if (ctx && ctx.runnable) {
	    ctx.runnable(this);
	  } // called multiple times


	  function multiple(err) {
	    if (errorWasHandled) {
	      return;
	    }

	    errorWasHandled = true;
	    self.emit('error', createMultipleDoneError$1(self, err));
	  } // finished


	  function done(err) {
	    var ms = self.timeout();

	    if (self.timedOut) {
	      return;
	    }

	    if (finished) {
	      return multiple(err);
	    }

	    self.clearTimeout();
	    self.duration = new Date$1() - start;
	    finished = true;

	    if (!err && self.duration > ms && ms > 0) {
	      err = self._timeoutError(ms);
	    }

	    fn(err);
	  } // for .resetTimeout() and Runner#uncaught()


	  this.callback = done;

	  if (this.fn && typeof this.fn.call !== 'function') {
	    done(new TypeError('A runnable must be passed a function as its second argument.'));
	    return;
	  } // explicit async with `done` argument


	  if (this.async) {
	    this.resetTimeout(); // allows skip() to be used in an explicit async context

	    this.skip = function asyncSkip() {
	      this.pending = true;
	      done(); // halt execution, the uncaught handler will ignore the failure.

	      throw new pending('async skip; aborting execution');
	    };

	    try {
	      callFnAsync(this.fn);
	    } catch (err) {
	      // handles async runnables which actually run synchronously
	      errorWasHandled = true;

	      if (err instanceof pending) {
	        return; // done() is already called in this.skip()
	      } else if (this.allowUncaught) {
	        throw err;
	      }

	      done(Runnable.toValueOrError(err));
	    }

	    return;
	  } // sync or promise-returning


	  try {
	    callFn(this.fn);
	  } catch (err) {
	    errorWasHandled = true;

	    if (err instanceof pending) {
	      return done();
	    } else if (this.allowUncaught) {
	      throw err;
	    }

	    done(Runnable.toValueOrError(err));
	  }

	  function callFn(fn) {
	    var result = fn.call(ctx);

	    if (result && typeof result.then === 'function') {
	      self.resetTimeout();
	      result.then(function () {
	        done(); // Return null so libraries like bluebird do not warn about
	        // subsequently constructed Promises.

	        return null;
	      }, function (reason) {
	        done(reason || new Error('Promise rejected with no or falsy reason'));
	      });
	    } else {
	      if (self.asyncOnly) {
	        return done(new Error('--async-only option in use without declaring `done()` or returning a promise'));
	      }

	      done();
	    }
	  }

	  function callFnAsync(fn) {
	    var result = fn.call(ctx, function (err) {
	      if (err instanceof Error || toString$4.call(err) === '[object Error]') {
	        return done(err);
	      }

	      if (err) {
	        if (Object.prototype.toString.call(err) === '[object Object]') {
	          return done(new Error('done() invoked with non-Error: ' + JSON.stringify(err)));
	        }

	        return done(new Error('done() invoked with non-Error: ' + err));
	      }

	      if (result && utils.isPromise(result)) {
	        return done(new Error('Resolution method is overspecified. Specify a callback *or* return a Promise; not both.'));
	      }

	      done();
	    });
	  }
	};
	/**
	 * Instantiates a "timeout" error
	 *
	 * @param {number} ms - Timeout (in milliseconds)
	 * @returns {Error} a "timeout" error
	 * @private
	 */


	Runnable.prototype._timeoutError = function (ms) {
	  var msg = "Timeout of ".concat(ms, "ms exceeded. For async tests and hooks, ensure \"done()\" is called; if returning a Promise, ensure it resolves.");

	  if (this.file) {
	    msg += ' (' + this.file + ')';
	  }

	  return createTimeoutError$1(msg, ms, this.file);
	};

	var constants$1 = utils.defineConstants(
	/**
	 * {@link Runnable}-related constants.
	 * @public
	 * @memberof Runnable
	 * @readonly
	 * @static
	 * @alias constants
	 * @enum {string}
	 */
	{
	  /**
	   * Value of `state` prop when a `Runnable` has failed
	   */
	  STATE_FAILED: 'failed',

	  /**
	   * Value of `state` prop when a `Runnable` has passed
	   */
	  STATE_PASSED: 'passed',

	  /**
	   * Value of `state` prop when a `Runnable` has been skipped by user
	   */
	  STATE_PENDING: 'pending'
	});
	/**
	 * Given `value`, return identity if truthy, otherwise create an "invalid exception" error and return that.
	 * @param {*} [value] - Value to return, if present
	 * @returns {*|Error} `value`, otherwise an `Error`
	 * @private
	 */

	Runnable.toValueOrError = function (value) {
	  return value || createInvalidExceptionError$1('Runnable failed with falsy or undefined exception. Please throw an Error instead.', value);
	};

	Runnable.constants = constants$1;

	var inherits$3 = utils.inherits,
	    constants$2 = utils.constants;
	var MOCHA_ID_PROP_NAME = constants$2.MOCHA_ID_PROP_NAME;
	/**
	 * Expose `Hook`.
	 */

	var hook = Hook;
	/**
	 * Initialize a new `Hook` with the given `title` and callback `fn`
	 *
	 * @class
	 * @extends Runnable
	 * @param {String} title
	 * @param {Function} fn
	 */

	function Hook(title, fn) {
	  runnable.call(this, title, fn);
	  this.type = 'hook';
	}
	/**
	 * Inherit from `Runnable.prototype`.
	 */


	inherits$3(Hook, runnable);
	/**
	 * Resets the state for a next run.
	 */

	Hook.prototype.reset = function () {
	  runnable.prototype.reset.call(this);
	  delete this._error;
	};
	/**
	 * Get or set the test `err`.
	 *
	 * @memberof Hook
	 * @public
	 * @param {Error} err
	 * @return {Error}
	 */


	Hook.prototype.error = function (err) {
	  if (!arguments.length) {
	    err = this._error;
	    this._error = null;
	    return err;
	  }

	  this._error = err;
	};
	/**
	 * Returns an object suitable for IPC.
	 * Functions are represented by keys beginning with `$$`.
	 * @private
	 * @returns {Object}
	 */


	Hook.prototype.serialize = function serialize() {
	  return _defineProperty({
	    $$isPending: this.isPending(),
	    $$titlePath: this.titlePath(),
	    ctx: this.ctx && this.ctx.currentTest ? {
	      currentTest: _defineProperty({
	        title: this.ctx.currentTest.title
	      }, MOCHA_ID_PROP_NAME, this.ctx.currentTest.id)
	    } : {},
	    parent: _defineProperty({}, MOCHA_ID_PROP_NAME, this.parent.id),
	    title: this.title,
	    type: this.type
	  }, MOCHA_ID_PROP_NAME, this.id);
	};

	var suite = createCommonjsModule(function (module, exports) {
	  /**
	   * Module dependencies.
	   * @private
	   */

	  var EventEmitter$1 = EventEmitter.EventEmitter;
	  var assignNewMochaID = utils.assignNewMochaID,
	      clamp = utils.clamp,
	      utilsConstants = utils.constants,
	      createMap = utils.createMap,
	      defineConstants = utils.defineConstants,
	      getMochaID = utils.getMochaID,
	      inherits = utils.inherits,
	      isString = utils.isString;
	  var debug = browser$2('mocha:suite');
	  var MOCHA_ID_PROP_NAME = utilsConstants.MOCHA_ID_PROP_NAME;
	  /**
	   * Expose `Suite`.
	   */

	  module.exports = Suite;
	  /**
	   * Create a new `Suite` with the given `title` and parent `Suite`.
	   *
	   * @public
	   * @param {Suite} parent - Parent suite (required!)
	   * @param {string} title - Title
	   * @return {Suite}
	   */

	  Suite.create = function (parent, title) {
	    var suite = new Suite(title, parent.ctx);
	    suite.parent = parent;
	    title = suite.fullTitle();
	    parent.addSuite(suite);
	    return suite;
	  };
	  /**
	   * Constructs a new `Suite` instance with the given `title`, `ctx`, and `isRoot`.
	   *
	   * @public
	   * @class
	   * @extends EventEmitter
	   * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter|EventEmitter}
	   * @param {string} title - Suite title.
	   * @param {Context} parentContext - Parent context instance.
	   * @param {boolean} [isRoot=false] - Whether this is the root suite.
	   */


	  function Suite(title, parentContext, isRoot) {
	    if (!isString(title)) {
	      throw errors.createInvalidArgumentTypeError('Suite argument "title" must be a string. Received type "' + _typeof(title) + '"', 'title', 'string');
	    }

	    this.title = title;

	    function Context() {}

	    Context.prototype = parentContext;
	    this.ctx = new Context();
	    this.suites = [];
	    this.tests = [];
	    this.root = isRoot === true;
	    this.pending = false;
	    this._retries = -1;
	    this._beforeEach = [];
	    this._beforeAll = [];
	    this._afterEach = [];
	    this._afterAll = [];
	    this._timeout = 2000;
	    this._slow = 75;
	    this._bail = false;
	    this._onlyTests = [];
	    this._onlySuites = [];
	    assignNewMochaID(this);
	    Object.defineProperty(this, 'id', {
	      get: function get() {
	        return getMochaID(this);
	      }
	    });
	    this.reset();
	    this.on('newListener', function (event) {
	      if (deprecatedEvents[event]) {
	        errors.deprecate('Event "' + event + '" is deprecated.  Please let the Mocha team know about your use case: https://git.io/v6Lwm');
	      }
	    });
	  }
	  /**
	   * Inherit from `EventEmitter.prototype`.
	   */


	  inherits(Suite, EventEmitter$1);
	  /**
	   * Resets the state initially or for a next run.
	   */

	  Suite.prototype.reset = function () {
	    this.delayed = false;

	    function doReset(thingToReset) {
	      thingToReset.reset();
	    }

	    this.suites.forEach(doReset);
	    this.tests.forEach(doReset);

	    this._beforeEach.forEach(doReset);

	    this._afterEach.forEach(doReset);

	    this._beforeAll.forEach(doReset);

	    this._afterAll.forEach(doReset);
	  };
	  /**
	   * Return a clone of this `Suite`.
	   *
	   * @private
	   * @return {Suite}
	   */


	  Suite.prototype.clone = function () {
	    var suite = new Suite(this.title);
	    debug('clone');
	    suite.ctx = this.ctx;
	    suite.root = this.root;
	    suite.timeout(this.timeout());
	    suite.retries(this.retries());
	    suite.slow(this.slow());
	    suite.bail(this.bail());
	    return suite;
	  };
	  /**
	   * Set or get timeout `ms` or short-hand such as "2s".
	   *
	   * @private
	   * @todo Do not attempt to set value if `ms` is undefined
	   * @param {number|string} ms
	   * @return {Suite|number} for chaining
	   */


	  Suite.prototype.timeout = function (ms$1) {
	    if (!arguments.length) {
	      return this._timeout;
	    }

	    if (typeof ms$1 === 'string') {
	      ms$1 = ms(ms$1);
	    } // Clamp to range


	    var INT_MAX = Math.pow(2, 31) - 1;
	    var range = [0, INT_MAX];
	    ms$1 = clamp(ms$1, range);
	    debug('timeout %d', ms$1);
	    this._timeout = parseInt(ms$1, 10);
	    return this;
	  };
	  /**
	   * Set or get number of times to retry a failed test.
	   *
	   * @private
	   * @param {number|string} n
	   * @return {Suite|number} for chaining
	   */


	  Suite.prototype.retries = function (n) {
	    if (!arguments.length) {
	      return this._retries;
	    }

	    debug('retries %d', n);
	    this._retries = parseInt(n, 10) || 0;
	    return this;
	  };
	  /**
	   * Set or get slow `ms` or short-hand such as "2s".
	   *
	   * @private
	   * @param {number|string} ms
	   * @return {Suite|number} for chaining
	   */


	  Suite.prototype.slow = function (ms$1) {
	    if (!arguments.length) {
	      return this._slow;
	    }

	    if (typeof ms$1 === 'string') {
	      ms$1 = ms(ms$1);
	    }

	    debug('slow %d', ms$1);
	    this._slow = ms$1;
	    return this;
	  };
	  /**
	   * Set or get whether to bail after first error.
	   *
	   * @private
	   * @param {boolean} bail
	   * @return {Suite|number} for chaining
	   */


	  Suite.prototype.bail = function (bail) {
	    if (!arguments.length) {
	      return this._bail;
	    }

	    debug('bail %s', bail);
	    this._bail = bail;
	    return this;
	  };
	  /**
	   * Check if this suite or its parent suite is marked as pending.
	   *
	   * @private
	   */


	  Suite.prototype.isPending = function () {
	    return this.pending || this.parent && this.parent.isPending();
	  };
	  /**
	   * Generic hook-creator.
	   * @private
	   * @param {string} title - Title of hook
	   * @param {Function} fn - Hook callback
	   * @returns {Hook} A new hook
	   */


	  Suite.prototype._createHook = function (title, fn) {
	    var hook$1 = new hook(title, fn);
	    hook$1.parent = this;
	    hook$1.timeout(this.timeout());
	    hook$1.retries(this.retries());
	    hook$1.slow(this.slow());
	    hook$1.ctx = this.ctx;
	    hook$1.file = this.file;
	    return hook$1;
	  };
	  /**
	   * Run `fn(test[, done])` before running tests.
	   *
	   * @private
	   * @param {string} title
	   * @param {Function} fn
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.beforeAll = function (title, fn) {
	    if (this.isPending()) {
	      return this;
	    }

	    if (typeof title === 'function') {
	      fn = title;
	      title = fn.name;
	    }

	    title = '"before all" hook' + (title ? ': ' + title : '');

	    var hook = this._createHook(title, fn);

	    this._beforeAll.push(hook);

	    this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_ALL, hook);
	    return this;
	  };
	  /**
	   * Run `fn(test[, done])` after running tests.
	   *
	   * @private
	   * @param {string} title
	   * @param {Function} fn
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.afterAll = function (title, fn) {
	    if (this.isPending()) {
	      return this;
	    }

	    if (typeof title === 'function') {
	      fn = title;
	      title = fn.name;
	    }

	    title = '"after all" hook' + (title ? ': ' + title : '');

	    var hook = this._createHook(title, fn);

	    this._afterAll.push(hook);

	    this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_ALL, hook);
	    return this;
	  };
	  /**
	   * Run `fn(test[, done])` before each test case.
	   *
	   * @private
	   * @param {string} title
	   * @param {Function} fn
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.beforeEach = function (title, fn) {
	    if (this.isPending()) {
	      return this;
	    }

	    if (typeof title === 'function') {
	      fn = title;
	      title = fn.name;
	    }

	    title = '"before each" hook' + (title ? ': ' + title : '');

	    var hook = this._createHook(title, fn);

	    this._beforeEach.push(hook);

	    this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_EACH, hook);
	    return this;
	  };
	  /**
	   * Run `fn(test[, done])` after each test case.
	   *
	   * @private
	   * @param {string} title
	   * @param {Function} fn
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.afterEach = function (title, fn) {
	    if (this.isPending()) {
	      return this;
	    }

	    if (typeof title === 'function') {
	      fn = title;
	      title = fn.name;
	    }

	    title = '"after each" hook' + (title ? ': ' + title : '');

	    var hook = this._createHook(title, fn);

	    this._afterEach.push(hook);

	    this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_EACH, hook);
	    return this;
	  };
	  /**
	   * Add a test `suite`.
	   *
	   * @private
	   * @param {Suite} suite
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.addSuite = function (suite) {
	    suite.parent = this;
	    suite.root = false;
	    suite.timeout(this.timeout());
	    suite.retries(this.retries());
	    suite.slow(this.slow());
	    suite.bail(this.bail());
	    this.suites.push(suite);
	    this.emit(constants.EVENT_SUITE_ADD_SUITE, suite);
	    return this;
	  };
	  /**
	   * Add a `test` to this suite.
	   *
	   * @private
	   * @param {Test} test
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.addTest = function (test) {
	    test.parent = this;
	    test.timeout(this.timeout());
	    test.retries(this.retries());
	    test.slow(this.slow());
	    test.ctx = this.ctx;
	    this.tests.push(test);
	    this.emit(constants.EVENT_SUITE_ADD_TEST, test);
	    return this;
	  };
	  /**
	   * Return the full title generated by recursively concatenating the parent's
	   * full title.
	   *
	   * @memberof Suite
	   * @public
	   * @return {string}
	   */


	  Suite.prototype.fullTitle = function () {
	    return this.titlePath().join(' ');
	  };
	  /**
	   * Return the title path generated by recursively concatenating the parent's
	   * title path.
	   *
	   * @memberof Suite
	   * @public
	   * @return {string}
	   */


	  Suite.prototype.titlePath = function () {
	    var result = [];

	    if (this.parent) {
	      result = result.concat(this.parent.titlePath());
	    }

	    if (!this.root) {
	      result.push(this.title);
	    }

	    return result;
	  };
	  /**
	   * Return the total number of tests.
	   *
	   * @memberof Suite
	   * @public
	   * @return {number}
	   */


	  Suite.prototype.total = function () {
	    return this.suites.reduce(function (sum, suite) {
	      return sum + suite.total();
	    }, 0) + this.tests.length;
	  };
	  /**
	   * Iterates through each suite recursively to find all tests. Applies a
	   * function in the format `fn(test)`.
	   *
	   * @private
	   * @param {Function} fn
	   * @return {Suite}
	   */


	  Suite.prototype.eachTest = function (fn) {
	    this.tests.forEach(fn);
	    this.suites.forEach(function (suite) {
	      suite.eachTest(fn);
	    });
	    return this;
	  };
	  /**
	   * This will run the root suite if we happen to be running in delayed mode.
	   * @private
	   */


	  Suite.prototype.run = function run() {
	    if (this.root) {
	      this.emit(constants.EVENT_ROOT_SUITE_RUN);
	    }
	  };
	  /**
	   * Determines whether a suite has an `only` test or suite as a descendant.
	   *
	   * @private
	   * @returns {Boolean}
	   */


	  Suite.prototype.hasOnly = function hasOnly() {
	    return this._onlyTests.length > 0 || this._onlySuites.length > 0 || this.suites.some(function (suite) {
	      return suite.hasOnly();
	    });
	  };
	  /**
	   * Filter suites based on `isOnly` logic.
	   *
	   * @private
	   * @returns {Boolean}
	   */


	  Suite.prototype.filterOnly = function filterOnly() {
	    if (this._onlyTests.length) {
	      // If the suite contains `only` tests, run those and ignore any nested suites.
	      this.tests = this._onlyTests;
	      this.suites = [];
	    } else {
	      // Otherwise, do not run any of the tests in this suite.
	      this.tests = [];

	      this._onlySuites.forEach(function (onlySuite) {
	        // If there are other `only` tests/suites nested in the current `only` suite, then filter that `only` suite.
	        // Otherwise, all of the tests on this `only` suite should be run, so don't filter it.
	        if (onlySuite.hasOnly()) {
	          onlySuite.filterOnly();
	        }
	      }); // Run the `only` suites, as well as any other suites that have `only` tests/suites as descendants.


	      var onlySuites = this._onlySuites;
	      this.suites = this.suites.filter(function (childSuite) {
	        return onlySuites.indexOf(childSuite) !== -1 || childSuite.filterOnly();
	      });
	    } // Keep the suite only if there is something to run


	    return this.tests.length > 0 || this.suites.length > 0;
	  };
	  /**
	   * Adds a suite to the list of subsuites marked `only`.
	   *
	   * @private
	   * @param {Suite} suite
	   */


	  Suite.prototype.appendOnlySuite = function (suite) {
	    this._onlySuites.push(suite);
	  };
	  /**
	   * Marks a suite to be `only`.
	   *
	   * @private
	   */


	  Suite.prototype.markOnly = function () {
	    this.parent && this.parent.appendOnlySuite(this);
	  };
	  /**
	   * Adds a test to the list of tests marked `only`.
	   *
	   * @private
	   * @param {Test} test
	   */


	  Suite.prototype.appendOnlyTest = function (test) {
	    this._onlyTests.push(test);
	  };
	  /**
	   * Returns the array of hooks by hook name; see `HOOK_TYPE_*` constants.
	   * @private
	   */


	  Suite.prototype.getHooks = function getHooks(name) {
	    return this['_' + name];
	  };
	  /**
	   * cleans all references from this suite and all child suites.
	   */


	  Suite.prototype.dispose = function () {
	    this.suites.forEach(function (suite) {
	      suite.dispose();
	    });
	    this.cleanReferences();
	  };
	  /**
	   * Cleans up the references to all the deferred functions
	   * (before/after/beforeEach/afterEach) and tests of a Suite.
	   * These must be deleted otherwise a memory leak can happen,
	   * as those functions may reference variables from closures,
	   * thus those variables can never be garbage collected as long
	   * as the deferred functions exist.
	   *
	   * @private
	   */


	  Suite.prototype.cleanReferences = function cleanReferences() {
	    function cleanArrReferences(arr) {
	      for (var i = 0; i < arr.length; i++) {
	        delete arr[i].fn;
	      }
	    }

	    if (Array.isArray(this._beforeAll)) {
	      cleanArrReferences(this._beforeAll);
	    }

	    if (Array.isArray(this._beforeEach)) {
	      cleanArrReferences(this._beforeEach);
	    }

	    if (Array.isArray(this._afterAll)) {
	      cleanArrReferences(this._afterAll);
	    }

	    if (Array.isArray(this._afterEach)) {
	      cleanArrReferences(this._afterEach);
	    }

	    for (var i = 0; i < this.tests.length; i++) {
	      delete this.tests[i].fn;
	    }
	  };
	  /**
	   * Returns an object suitable for IPC.
	   * Functions are represented by keys beginning with `$$`.
	   * @private
	   * @returns {Object}
	   */


	  Suite.prototype.serialize = function serialize() {
	    return {
	      _bail: this._bail,
	      $$fullTitle: this.fullTitle(),
	      $$isPending: this.isPending(),
	      root: this.root,
	      title: this.title,
	      id: this.id,
	      parent: this.parent ? _defineProperty({}, MOCHA_ID_PROP_NAME, this.parent.id) : null
	    };
	  };

	  var constants = defineConstants(
	  /**
	   * {@link Suite}-related constants.
	   * @public
	   * @memberof Suite
	   * @alias constants
	   * @readonly
	   * @static
	   * @enum {string}
	   */
	  {
	    /**
	     * Event emitted after a test file has been loaded Not emitted in browser.
	     */
	    EVENT_FILE_POST_REQUIRE: 'post-require',

	    /**
	     * Event emitted before a test file has been loaded. In browser, this is emitted once an interface has been selected.
	     */
	    EVENT_FILE_PRE_REQUIRE: 'pre-require',

	    /**
	     * Event emitted immediately after a test file has been loaded. Not emitted in browser.
	     */
	    EVENT_FILE_REQUIRE: 'require',

	    /**
	     * Event emitted when `global.run()` is called (use with `delay` option)
	     */
	    EVENT_ROOT_SUITE_RUN: 'run',

	    /**
	     * Namespace for collection of a `Suite`'s "after all" hooks
	     */
	    HOOK_TYPE_AFTER_ALL: 'afterAll',

	    /**
	     * Namespace for collection of a `Suite`'s "after each" hooks
	     */
	    HOOK_TYPE_AFTER_EACH: 'afterEach',

	    /**
	     * Namespace for collection of a `Suite`'s "before all" hooks
	     */
	    HOOK_TYPE_BEFORE_ALL: 'beforeAll',

	    /**
	     * Namespace for collection of a `Suite`'s "before all" hooks
	     */
	    HOOK_TYPE_BEFORE_EACH: 'beforeEach',
	    // the following events are all deprecated

	    /**
	     * Emitted after an "after all" `Hook` has been added to a `Suite`. Deprecated
	     */
	    EVENT_SUITE_ADD_HOOK_AFTER_ALL: 'afterAll',

	    /**
	     * Emitted after an "after each" `Hook` has been added to a `Suite` Deprecated
	     */
	    EVENT_SUITE_ADD_HOOK_AFTER_EACH: 'afterEach',

	    /**
	     * Emitted after an "before all" `Hook` has been added to a `Suite` Deprecated
	     */
	    EVENT_SUITE_ADD_HOOK_BEFORE_ALL: 'beforeAll',

	    /**
	     * Emitted after an "before each" `Hook` has been added to a `Suite` Deprecated
	     */
	    EVENT_SUITE_ADD_HOOK_BEFORE_EACH: 'beforeEach',

	    /**
	     * Emitted after a child `Suite` has been added to a `Suite`. Deprecated
	     */
	    EVENT_SUITE_ADD_SUITE: 'suite',

	    /**
	     * Emitted after a `Test` has been added to a `Suite`. Deprecated
	     */
	    EVENT_SUITE_ADD_TEST: 'test'
	  });
	  /**
	   * @summary There are no known use cases for these events.
	   * @desc This is a `Set`-like object having all keys being the constant's string value and the value being `true`.
	   * @todo Remove eventually
	   * @type {Object<string,boolean>}
	   * @ignore
	   */

	  var deprecatedEvents = Object.keys(constants).filter(function (constant) {
	    return constant.substring(0, 15) === 'EVENT_SUITE_ADD';
	  }).reduce(function (acc, constant) {
	    acc[constants[constant]] = true;
	    return acc;
	  }, createMap());
	  Suite.constants = constants;
	});

	/**
	 * Module dependencies.
	 * @private
	 */


	var EventEmitter$2 = EventEmitter.EventEmitter;
	var debug$2 = browser$2('mocha:runner');
	var HOOK_TYPE_BEFORE_EACH = suite.constants.HOOK_TYPE_BEFORE_EACH;
	var HOOK_TYPE_AFTER_EACH = suite.constants.HOOK_TYPE_AFTER_EACH;
	var HOOK_TYPE_AFTER_ALL = suite.constants.HOOK_TYPE_AFTER_ALL;
	var HOOK_TYPE_BEFORE_ALL = suite.constants.HOOK_TYPE_BEFORE_ALL;
	var EVENT_ROOT_SUITE_RUN = suite.constants.EVENT_ROOT_SUITE_RUN;
	var STATE_FAILED = runnable.constants.STATE_FAILED;
	var STATE_PASSED = runnable.constants.STATE_PASSED;
	var STATE_PENDING = runnable.constants.STATE_PENDING;
	var dQuote = utils.dQuote;
	var sQuote = utils.sQuote;
	var stackFilter = utils.stackTraceFilter();
	var stringify = utils.stringify;
	var createInvalidExceptionError$2 = errors.createInvalidExceptionError,
	    createUnsupportedError$1 = errors.createUnsupportedError,
	    createFatalError$1 = errors.createFatalError,
	    isMochaError$1 = errors.isMochaError,
	    errorConstants = errors.constants;
	/**
	 * Non-enumerable globals.
	 * @private
	 * @readonly
	 */

	var globals = ['setTimeout', 'clearTimeout', 'setInterval', 'clearInterval', 'XMLHttpRequest', 'Date', 'setImmediate', 'clearImmediate'];
	var constants$3 = utils.defineConstants(
	/**
	 * {@link Runner}-related constants.
	 * @public
	 * @memberof Runner
	 * @readonly
	 * @alias constants
	 * @static
	 * @enum {string}
	 */
	{
	  /**
	   * Emitted when {@link Hook} execution begins
	   */
	  EVENT_HOOK_BEGIN: 'hook',

	  /**
	   * Emitted when {@link Hook} execution ends
	   */
	  EVENT_HOOK_END: 'hook end',

	  /**
	   * Emitted when Root {@link Suite} execution begins (all files have been parsed and hooks/tests are ready for execution)
	   */
	  EVENT_RUN_BEGIN: 'start',

	  /**
	   * Emitted when Root {@link Suite} execution has been delayed via `delay` option
	   */
	  EVENT_DELAY_BEGIN: 'waiting',

	  /**
	   * Emitted when delayed Root {@link Suite} execution is triggered by user via `global.run()`
	   */
	  EVENT_DELAY_END: 'ready',

	  /**
	   * Emitted when Root {@link Suite} execution ends
	   */
	  EVENT_RUN_END: 'end',

	  /**
	   * Emitted when {@link Suite} execution begins
	   */
	  EVENT_SUITE_BEGIN: 'suite',

	  /**
	   * Emitted when {@link Suite} execution ends
	   */
	  EVENT_SUITE_END: 'suite end',

	  /**
	   * Emitted when {@link Test} execution begins
	   */
	  EVENT_TEST_BEGIN: 'test',

	  /**
	   * Emitted when {@link Test} execution ends
	   */
	  EVENT_TEST_END: 'test end',

	  /**
	   * Emitted when {@link Test} execution fails
	   */
	  EVENT_TEST_FAIL: 'fail',

	  /**
	   * Emitted when {@link Test} execution succeeds
	   */
	  EVENT_TEST_PASS: 'pass',

	  /**
	   * Emitted when {@link Test} becomes pending
	   */
	  EVENT_TEST_PENDING: 'pending',

	  /**
	   * Emitted when {@link Test} execution has failed, but will retry
	   */
	  EVENT_TEST_RETRY: 'retry',

	  /**
	   * Initial state of Runner
	   */
	  STATE_IDLE: 'idle',

	  /**
	   * State set to this value when the Runner has started running
	   */
	  STATE_RUNNING: 'running',

	  /**
	   * State set to this value when the Runner has stopped
	   */
	  STATE_STOPPED: 'stopped'
	});

	var Runner = /*#__PURE__*/function (_EventEmitter) {
	  _inherits(Runner, _EventEmitter);

	  var _super = _createSuper(Runner);

	  /**
	   * Initialize a `Runner` at the Root {@link Suite}, which represents a hierarchy of {@link Suite|Suites} and {@link Test|Tests}.
	   *
	   * @extends external:EventEmitter
	   * @public
	   * @class
	   * @param {Suite} suite - Root suite
	   * @param {Object|boolean} [opts] - Options. If `boolean`, whether or not to delay execution of root suite until ready (for backwards compatibility).
	   * @param {boolean} [opts.delay] - Whether to delay execution of root suite until ready.
	   * @param {boolean} [opts.cleanReferencesAfterRun] - Whether to clean references to test fns and hooks when a suite is done.
	   */
	  function Runner(suite, opts) {
	    var _this;

	    _classCallCheck(this, Runner);

	    _this = _super.call(this);

	    if (opts === undefined) {
	      opts = {};
	    }

	    if (typeof opts === 'boolean') {
	      // TODO: deprecate this
	      _this._delay = opts;
	      opts = {};
	    } else {
	      _this._delay = opts.delay;
	    }

	    var self = _assertThisInitialized(_this);

	    _this._globals = [];
	    _this._abort = false;
	    _this.suite = suite;
	    _this._opts = opts;
	    _this.state = constants$3.STATE_IDLE;
	    _this.total = suite.total();
	    _this.failures = 0;
	    /**
	     * @type {Map<EventEmitter,Map<string,Set<EventListener>>>}
	     */

	    _this._eventListeners = new Map();

	    _this.on(constants$3.EVENT_TEST_END, function (test) {
	      if (test.type === 'test' && test.retriedTest() && test.parent) {
	        var idx = test.parent.tests && test.parent.tests.indexOf(test.retriedTest());
	        if (idx > -1) test.parent.tests[idx] = test;
	      }

	      self.checkGlobals(test);
	    });

	    _this.on(constants$3.EVENT_HOOK_END, function (hook) {
	      self.checkGlobals(hook);
	    });

	    _this._defaultGrep = /.*/;

	    _this.grep(_this._defaultGrep);

	    _this.globals(_this.globalProps());

	    _this.uncaught = _this._uncaught.bind(_assertThisInitialized(_this));

	    _this.unhandled = function (reason, promise) {
	      if (isMochaError$1(reason)) {
	        debug$2('trapped unhandled rejection coming out of Mocha; forwarding to uncaught handler:', reason);

	        _this.uncaught(reason);
	      } else {
	        debug$2('trapped unhandled rejection from (probably) user code; re-emitting on process');

	        _this._removeEventListener(process$1, 'unhandledRejection', _this.unhandled);

	        try {
	          process$1.emit('unhandledRejection', reason, promise);
	        } finally {
	          _this._addEventListener(process$1, 'unhandledRejection', _this.unhandled);
	        }
	      }
	    };

	    return _this;
	  }

	  return Runner;
	}(EventEmitter$2);
	/**
	 * Wrapper for setImmediate, process.nextTick, or browser polyfill.
	 *
	 * @param {Function} fn
	 * @private
	 */


	Runner.immediately = commonjsGlobal.setImmediate || nextTick;
	/**
	 * Replacement for `target.on(eventName, listener)` that does bookkeeping to remove them when this runner instance is disposed.
	 * @param {EventEmitter} target - The `EventEmitter`
	 * @param {string} eventName - The event name
	 * @param {string} fn - Listener function
	 * @private
	 */

	Runner.prototype._addEventListener = function (target, eventName, listener) {
	  debug$2('_addEventListener(): adding for event %s; %d current listeners', eventName, target.listenerCount(eventName));
	  /* istanbul ignore next */

	  if (this._eventListeners.has(target) && this._eventListeners.get(target).has(eventName) && this._eventListeners.get(target).get(eventName).has(listener)) {
	    debug$2('warning: tried to attach duplicate event listener for %s', eventName);
	    return;
	  }

	  target.on(eventName, listener);
	  var targetListeners = this._eventListeners.has(target) ? this._eventListeners.get(target) : new Map();
	  var targetEventListeners = targetListeners.has(eventName) ? targetListeners.get(eventName) : new Set();
	  targetEventListeners.add(listener);
	  targetListeners.set(eventName, targetEventListeners);

	  this._eventListeners.set(target, targetListeners);
	};
	/**
	 * Replacement for `target.removeListener(eventName, listener)` that also updates the bookkeeping.
	 * @param {EventEmitter} target - The `EventEmitter`
	 * @param {string} eventName - The event name
	 * @param {function} listener - Listener function
	 * @private
	 */


	Runner.prototype._removeEventListener = function (target, eventName, listener) {
	  target.removeListener(eventName, listener);

	  if (this._eventListeners.has(target)) {
	    var targetListeners = this._eventListeners.get(target);

	    if (targetListeners.has(eventName)) {
	      var targetEventListeners = targetListeners.get(eventName);
	      targetEventListeners["delete"](listener);

	      if (!targetEventListeners.size) {
	        targetListeners["delete"](eventName);
	      }
	    }

	    if (!targetListeners.size) {
	      this._eventListeners["delete"](target);
	    }
	  } else {
	    debug$2('trying to remove listener for untracked object %s', target);
	  }
	};
	/**
	 * Removes all event handlers set during a run on this instance.
	 * Remark: this does _not_ clean/dispose the tests or suites themselves.
	 */


	Runner.prototype.dispose = function () {
	  this.removeAllListeners();

	  this._eventListeners.forEach(function (targetListeners, target) {
	    targetListeners.forEach(function (targetEventListeners, eventName) {
	      targetEventListeners.forEach(function (listener) {
	        target.removeListener(eventName, listener);
	      });
	    });
	  });

	  this._eventListeners.clear();
	};
	/**
	 * Run tests with full titles matching `re`. Updates runner.total
	 * with number of tests matched.
	 *
	 * @public
	 * @memberof Runner
	 * @param {RegExp} re
	 * @param {boolean} invert
	 * @return {Runner} Runner instance.
	 */


	Runner.prototype.grep = function (re, invert) {
	  debug$2('grep(): setting to %s', re);
	  this._grep = re;
	  this._invert = invert;
	  this.total = this.grepTotal(this.suite);
	  return this;
	};
	/**
	 * Returns the number of tests matching the grep search for the
	 * given suite.
	 *
	 * @memberof Runner
	 * @public
	 * @param {Suite} suite
	 * @return {number}
	 */


	Runner.prototype.grepTotal = function (suite) {
	  var self = this;
	  var total = 0;
	  suite.eachTest(function (test) {
	    var match = self._grep.test(test.fullTitle());

	    if (self._invert) {
	      match = !match;
	    }

	    if (match) {
	      total++;
	    }
	  });
	  return total;
	};
	/**
	 * Return a list of global properties.
	 *
	 * @return {Array}
	 * @private
	 */


	Runner.prototype.globalProps = function () {
	  var props = Object.keys(commonjsGlobal); // non-enumerables

	  for (var i = 0; i < globals.length; ++i) {
	    if (~props.indexOf(globals[i])) {
	      continue;
	    }

	    props.push(globals[i]);
	  }

	  return props;
	};
	/**
	 * Allow the given `arr` of globals.
	 *
	 * @public
	 * @memberof Runner
	 * @param {Array} arr
	 * @return {Runner} Runner instance.
	 */


	Runner.prototype.globals = function (arr) {
	  if (!arguments.length) {
	    return this._globals;
	  }

	  debug$2('globals(): setting to %O', arr);
	  this._globals = this._globals.concat(arr);
	  return this;
	};
	/**
	 * Check for global variable leaks.
	 *
	 * @private
	 */


	Runner.prototype.checkGlobals = function (test) {
	  if (!this.checkLeaks) {
	    return;
	  }

	  var ok = this._globals;
	  var globals = this.globalProps();
	  var leaks;

	  if (test) {
	    ok = ok.concat(test._allowedGlobals || []);
	  }

	  if (this.prevGlobalsLength === globals.length) {
	    return;
	  }

	  this.prevGlobalsLength = globals.length;
	  leaks = filterLeaks(ok, globals);
	  this._globals = this._globals.concat(leaks);

	  if (leaks.length) {
	    var msg = 'global leak(s) detected: %s';
	    var error = new Error(util.format(msg, leaks.map(sQuote).join(', ')));
	    this.fail(test, error);
	  }
	};
	/**
	 * Fail the given `test`.
	 *
	 * If `test` is a hook, failures work in the following pattern:
	 * - If bail, run corresponding `after each` and `after` hooks,
	 *   then exit
	 * - Failed `before` hook skips all tests in a suite and subsuites,
	 *   but jumps to corresponding `after` hook
	 * - Failed `before each` hook skips remaining tests in a
	 *   suite and jumps to corresponding `after each` hook,
	 *   which is run only once
	 * - Failed `after` hook does not alter execution order
	 * - Failed `after each` hook skips remaining tests in a
	 *   suite and subsuites, but executes other `after each`
	 *   hooks
	 *
	 * @private
	 * @param {Runnable} test
	 * @param {Error} err
	 * @param {boolean} [force=false] - Whether to fail a pending test.
	 */


	Runner.prototype.fail = function (test, err, force) {
	  force = force === true;

	  if (test.isPending() && !force) {
	    return;
	  }

	  if (this.state === constants$3.STATE_STOPPED) {
	    if (err.code === errorConstants.MULTIPLE_DONE) {
	      throw err;
	    }

	    throw createFatalError$1('Test failed after root suite execution completed!', err);
	  }

	  ++this.failures;
	  debug$2('total number of failures: %d', this.failures);
	  test.state = STATE_FAILED;

	  if (!isError$1(err)) {
	    err = thrown2Error(err);
	  }

	  try {
	    err.stack = this.fullStackTrace || !err.stack ? err.stack : stackFilter(err.stack);
	  } catch (ignore) {// some environments do not take kindly to monkeying with the stack
	  }

	  this.emit(constants$3.EVENT_TEST_FAIL, test, err);
	};
	/**
	 * Run hook `name` callbacks and then invoke `fn()`.
	 *
	 * @private
	 * @param {string} name
	 * @param {Function} fn
	 */


	Runner.prototype.hook = function (name, fn) {
	  var suite = this.suite;
	  var hooks = suite.getHooks(name);
	  var self = this;

	  function next(i) {
	    var hook = hooks[i];

	    if (!hook) {
	      return fn();
	    }

	    self.currentRunnable = hook;

	    if (name === HOOK_TYPE_BEFORE_ALL) {
	      hook.ctx.currentTest = hook.parent.tests[0];
	    } else if (name === HOOK_TYPE_AFTER_ALL) {
	      hook.ctx.currentTest = hook.parent.tests[hook.parent.tests.length - 1];
	    } else {
	      hook.ctx.currentTest = self.test;
	    }

	    setHookTitle(hook);
	    hook.allowUncaught = self.allowUncaught;
	    self.emit(constants$3.EVENT_HOOK_BEGIN, hook);

	    if (!hook.listeners('error').length) {
	      self._addEventListener(hook, 'error', function (err) {
	        self.fail(hook, err);
	      });
	    }

	    hook.run(function cbHookRun(err) {
	      var testError = hook.error();

	      if (testError) {
	        self.fail(self.test, testError);
	      } // conditional skip


	      if (hook.pending) {
	        if (name === HOOK_TYPE_AFTER_EACH) {
	          // TODO define and implement use case
	          if (self.test) {
	            self.test.pending = true;
	          }
	        } else if (name === HOOK_TYPE_BEFORE_EACH) {
	          if (self.test) {
	            self.test.pending = true;
	          }

	          self.emit(constants$3.EVENT_HOOK_END, hook);
	          hook.pending = false; // activates hook for next test

	          return fn(new Error('abort hookDown'));
	        } else if (name === HOOK_TYPE_BEFORE_ALL) {
	          suite.tests.forEach(function (test) {
	            test.pending = true;
	          });
	          suite.suites.forEach(function (suite) {
	            suite.pending = true;
	          });
	          hooks = [];
	        } else {
	          hook.pending = false;
	          var errForbid = createUnsupportedError$1('`this.skip` forbidden');
	          self.fail(hook, errForbid);
	          return fn(errForbid);
	        }
	      } else if (err) {
	        self.fail(hook, err); // stop executing hooks, notify callee of hook err

	        return fn(err);
	      }

	      self.emit(constants$3.EVENT_HOOK_END, hook);
	      delete hook.ctx.currentTest;
	      setHookTitle(hook);
	      next(++i);
	    });

	    function setHookTitle(hook) {
	      hook.originalTitle = hook.originalTitle || hook.title;

	      if (hook.ctx && hook.ctx.currentTest) {
	        hook.title = hook.originalTitle + ' for ' + dQuote(hook.ctx.currentTest.title);
	      } else {
	        var parentTitle;

	        if (hook.parent.title) {
	          parentTitle = hook.parent.title;
	        } else {
	          parentTitle = hook.parent.root ? '{root}' : '';
	        }

	        hook.title = hook.originalTitle + ' in ' + dQuote(parentTitle);
	      }
	    }
	  }

	  Runner.immediately(function () {
	    next(0);
	  });
	};
	/**
	 * Run hook `name` for the given array of `suites`
	 * in order, and callback `fn(err, errSuite)`.
	 *
	 * @private
	 * @param {string} name
	 * @param {Array} suites
	 * @param {Function} fn
	 */


	Runner.prototype.hooks = function (name, suites, fn) {
	  var self = this;
	  var orig = this.suite;

	  function next(suite) {
	    self.suite = suite;

	    if (!suite) {
	      self.suite = orig;
	      return fn();
	    }

	    self.hook(name, function (err) {
	      if (err) {
	        var errSuite = self.suite;
	        self.suite = orig;
	        return fn(err, errSuite);
	      }

	      next(suites.pop());
	    });
	  }

	  next(suites.pop());
	};
	/**
	 * Run hooks from the top level down.
	 *
	 * @param {String} name
	 * @param {Function} fn
	 * @private
	 */


	Runner.prototype.hookUp = function (name, fn) {
	  var suites = [this.suite].concat(this.parents()).reverse();
	  this.hooks(name, suites, fn);
	};
	/**
	 * Run hooks from the bottom up.
	 *
	 * @param {String} name
	 * @param {Function} fn
	 * @private
	 */


	Runner.prototype.hookDown = function (name, fn) {
	  var suites = [this.suite].concat(this.parents());
	  this.hooks(name, suites, fn);
	};
	/**
	 * Return an array of parent Suites from
	 * closest to furthest.
	 *
	 * @return {Array}
	 * @private
	 */


	Runner.prototype.parents = function () {
	  var suite = this.suite;
	  var suites = [];

	  while (suite.parent) {
	    suite = suite.parent;
	    suites.push(suite);
	  }

	  return suites;
	};
	/**
	 * Run the current test and callback `fn(err)`.
	 *
	 * @param {Function} fn
	 * @private
	 */


	Runner.prototype.runTest = function (fn) {
	  var self = this;
	  var test = this.test;

	  if (!test) {
	    return;
	  }

	  if (this.asyncOnly) {
	    test.asyncOnly = true;
	  }

	  this._addEventListener(test, 'error', function (err) {
	    self.fail(test, err);
	  });

	  if (this.allowUncaught) {
	    test.allowUncaught = true;
	    return test.run(fn);
	  }

	  try {
	    test.run(fn);
	  } catch (err) {
	    fn(err);
	  }
	};
	/**
	 * Run tests in the given `suite` and invoke the callback `fn()` when complete.
	 *
	 * @private
	 * @param {Suite} suite
	 * @param {Function} fn
	 */


	Runner.prototype.runTests = function (suite, fn) {
	  var self = this;
	  var tests = suite.tests.slice();
	  var test;

	  function hookErr(_, errSuite, after) {
	    // before/after Each hook for errSuite failed:
	    var orig = self.suite; // for failed 'after each' hook start from errSuite parent,
	    // otherwise start from errSuite itself

	    self.suite = after ? errSuite.parent : errSuite;

	    if (self.suite) {
	      // call hookUp afterEach
	      self.hookUp(HOOK_TYPE_AFTER_EACH, function (err2, errSuite2) {
	        self.suite = orig; // some hooks may fail even now

	        if (err2) {
	          return hookErr(err2, errSuite2, true);
	        } // report error suite


	        fn(errSuite);
	      });
	    } else {
	      // there is no need calling other 'after each' hooks
	      self.suite = orig;
	      fn(errSuite);
	    }
	  }

	  function next(err, errSuite) {
	    // if we bail after first err
	    if (self.failures && suite._bail) {
	      tests = [];
	    }

	    if (self._abort) {
	      return fn();
	    }

	    if (err) {
	      return hookErr(err, errSuite, true);
	    } // next test


	    test = tests.shift(); // all done

	    if (!test) {
	      return fn();
	    } // grep


	    var match = self._grep.test(test.fullTitle());

	    if (self._invert) {
	      match = !match;
	    }

	    if (!match) {
	      // Run immediately only if we have defined a grep. When we
	      // define a grep — It can cause maximum callstack error if
	      // the grep is doing a large recursive loop by neglecting
	      // all tests. The run immediately function also comes with
	      // a performance cost. So we don't want to run immediately
	      // if we run the whole test suite, because running the whole
	      // test suite don't do any immediate recursive loops. Thus,
	      // allowing a JS runtime to breathe.
	      if (self._grep !== self._defaultGrep) {
	        Runner.immediately(next);
	      } else {
	        next();
	      }

	      return;
	    } // static skip, no hooks are executed


	    if (test.isPending()) {
	      if (self.forbidPending) {
	        self.fail(test, new Error('Pending test forbidden'), true);
	      } else {
	        test.state = STATE_PENDING;
	        self.emit(constants$3.EVENT_TEST_PENDING, test);
	      }

	      self.emit(constants$3.EVENT_TEST_END, test);
	      return next();
	    } // execute test and hook(s)


	    self.emit(constants$3.EVENT_TEST_BEGIN, self.test = test);
	    self.hookDown(HOOK_TYPE_BEFORE_EACH, function (err, errSuite) {
	      // conditional skip within beforeEach
	      if (test.isPending()) {
	        if (self.forbidPending) {
	          self.fail(test, new Error('Pending test forbidden'), true);
	        } else {
	          test.state = STATE_PENDING;
	          self.emit(constants$3.EVENT_TEST_PENDING, test);
	        }

	        self.emit(constants$3.EVENT_TEST_END, test); // skip inner afterEach hooks below errSuite level

	        var origSuite = self.suite;
	        self.suite = errSuite || self.suite;
	        return self.hookUp(HOOK_TYPE_AFTER_EACH, function (e, eSuite) {
	          self.suite = origSuite;
	          next(e, eSuite);
	        });
	      }

	      if (err) {
	        return hookErr(err, errSuite, false);
	      }

	      self.currentRunnable = self.test;
	      self.runTest(function (err) {
	        test = self.test; // conditional skip within it

	        if (test.pending) {
	          if (self.forbidPending) {
	            self.fail(test, new Error('Pending test forbidden'), true);
	          } else {
	            test.state = STATE_PENDING;
	            self.emit(constants$3.EVENT_TEST_PENDING, test);
	          }

	          self.emit(constants$3.EVENT_TEST_END, test);
	          return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
	        } else if (err) {
	          var retry = test.currentRetry();

	          if (retry < test.retries()) {
	            var clonedTest = test.clone();
	            clonedTest.currentRetry(retry + 1);
	            tests.unshift(clonedTest);
	            self.emit(constants$3.EVENT_TEST_RETRY, test, err); // Early return + hook trigger so that it doesn't
	            // increment the count wrong

	            return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
	          } else {
	            self.fail(test, err);
	          }

	          self.emit(constants$3.EVENT_TEST_END, test);
	          return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
	        }

	        test.state = STATE_PASSED;
	        self.emit(constants$3.EVENT_TEST_PASS, test);
	        self.emit(constants$3.EVENT_TEST_END, test);
	        self.hookUp(HOOK_TYPE_AFTER_EACH, next);
	      });
	    });
	  }

	  this.next = next;
	  this.hookErr = hookErr;
	  next();
	};
	/**
	 * Run the given `suite` and invoke the callback `fn()` when complete.
	 *
	 * @private
	 * @param {Suite} suite
	 * @param {Function} fn
	 */


	Runner.prototype.runSuite = function (suite, fn) {
	  var i = 0;
	  var self = this;
	  var total = this.grepTotal(suite);
	  debug$2('runSuite(): running %s', suite.fullTitle());

	  if (!total || self.failures && suite._bail) {
	    debug$2('runSuite(): bailing');
	    return fn();
	  }

	  this.emit(constants$3.EVENT_SUITE_BEGIN, this.suite = suite);

	  function next(errSuite) {
	    if (errSuite) {
	      // current suite failed on a hook from errSuite
	      if (errSuite === suite) {
	        // if errSuite is current suite
	        // continue to the next sibling suite
	        return done();
	      } // errSuite is among the parents of current suite
	      // stop execution of errSuite and all sub-suites


	      return done(errSuite);
	    }

	    if (self._abort) {
	      return done();
	    }

	    var curr = suite.suites[i++];

	    if (!curr) {
	      return done();
	    } // Avoid grep neglecting large number of tests causing a
	    // huge recursive loop and thus a maximum call stack error.
	    // See comment in `this.runTests()` for more information.


	    if (self._grep !== self._defaultGrep) {
	      Runner.immediately(function () {
	        self.runSuite(curr, next);
	      });
	    } else {
	      self.runSuite(curr, next);
	    }
	  }

	  function done(errSuite) {
	    self.suite = suite;
	    self.nextSuite = next; // remove reference to test

	    delete self.test;
	    self.hook(HOOK_TYPE_AFTER_ALL, function () {
	      self.emit(constants$3.EVENT_SUITE_END, suite);
	      fn(errSuite);
	    });
	  }

	  this.nextSuite = next;
	  this.hook(HOOK_TYPE_BEFORE_ALL, function (err) {
	    if (err) {
	      return done();
	    }

	    self.runTests(suite, next);
	  });
	};
	/**
	 * Handle uncaught exceptions within runner.
	 *
	 * This function is bound to the instance as `Runner#uncaught` at instantiation
	 * time. It's intended to be listening on the `Process.uncaughtException` event.
	 * In order to not leak EE listeners, we need to ensure no more than a single
	 * `uncaughtException` listener exists per `Runner`.  The only way to do
	 * this--because this function needs the context (and we don't have lambdas)--is
	 * to use `Function.prototype.bind`. We need strict equality to unregister and
	 * _only_ unregister the _one_ listener we set from the
	 * `Process.uncaughtException` event; would be poor form to just remove
	 * everything. See {@link Runner#run} for where the event listener is registered
	 * and unregistered.
	 * @param {Error} err - Some uncaught error
	 * @private
	 */


	Runner.prototype._uncaught = function (err) {
	  // this is defensive to prevent future developers from mis-calling this function.
	  // it's more likely that it'd be called with the incorrect context--say, the global
	  // `process` object--than it would to be called with a context that is not a "subclass"
	  // of `Runner`.
	  if (!(this instanceof Runner)) {
	    throw createFatalError$1('Runner#uncaught() called with invalid context', this);
	  }

	  if (err instanceof pending) {
	    debug$2('uncaught(): caught a Pending');
	    return;
	  } // browser does not exit script when throwing in global.onerror()


	  if (this.allowUncaught && !utils.isBrowser()) {
	    debug$2('uncaught(): bubbling exception due to --allow-uncaught');
	    throw err;
	  }

	  if (this.state === constants$3.STATE_STOPPED) {
	    debug$2('uncaught(): throwing after run has completed!');
	    throw err;
	  }

	  if (err) {
	    debug$2('uncaught(): got truthy exception %O', err);
	  } else {
	    debug$2('uncaught(): undefined/falsy exception');
	    err = createInvalidExceptionError$2('Caught falsy/undefined exception which would otherwise be uncaught. No stack trace found; try a debugger', err);
	  }

	  if (!isError$1(err)) {
	    err = thrown2Error(err);
	    debug$2('uncaught(): converted "error" %o to Error', err);
	  }

	  err.uncaught = true;
	  var runnable$1 = this.currentRunnable;

	  if (!runnable$1) {
	    runnable$1 = new runnable('Uncaught error outside test suite');
	    debug$2('uncaught(): no current Runnable; created a phony one');
	    runnable$1.parent = this.suite;

	    if (this.state === constants$3.STATE_RUNNING) {
	      debug$2('uncaught(): failing gracefully');
	      this.fail(runnable$1, err);
	    } else {
	      // Can't recover from this failure
	      debug$2('uncaught(): test run has not yet started; unrecoverable');
	      this.emit(constants$3.EVENT_RUN_BEGIN);
	      this.fail(runnable$1, err);
	      this.emit(constants$3.EVENT_RUN_END);
	    }

	    return;
	  }

	  runnable$1.clearTimeout();

	  if (runnable$1.isFailed()) {
	    debug$2('uncaught(): Runnable has already failed'); // Ignore error if already failed

	    return;
	  } else if (runnable$1.isPending()) {
	    debug$2('uncaught(): pending Runnable wound up failing!'); // report 'pending test' retrospectively as failed

	    this.fail(runnable$1, err, true);
	    return;
	  } // we cannot recover gracefully if a Runnable has already passed
	  // then fails asynchronously


	  if (runnable$1.isPassed()) {
	    debug$2('uncaught(): Runnable has already passed; bailing gracefully');
	    this.fail(runnable$1, err);
	    this.abort();
	  } else {
	    debug$2('uncaught(): forcing Runnable to complete with Error');
	    return runnable$1.callback(err);
	  }
	};
	/**
	 * Run the root suite and invoke `fn(failures)`
	 * on completion.
	 *
	 * @public
	 * @memberof Runner
	 * @param {Function} fn - Callback when finished
	 * @param {{files: string[], options: Options}} [opts] - For subclasses
	 * @returns {Runner} Runner instance.
	 */


	Runner.prototype.run = function (fn) {
	  var _this2 = this;

	  var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
	  var rootSuite = this.suite;
	  var options = opts.options || {};
	  debug$2('run(): got options: %O', options);

	  fn = fn || function () {};

	  var end = function end() {
	    debug$2('run(): root suite completed; emitting %s', constants$3.EVENT_RUN_END);

	    _this2.emit(constants$3.EVENT_RUN_END);
	  };

	  var begin = function begin() {
	    debug$2('run(): emitting %s', constants$3.EVENT_RUN_BEGIN);

	    _this2.emit(constants$3.EVENT_RUN_BEGIN);

	    debug$2('run(): emitted %s', constants$3.EVENT_RUN_BEGIN);

	    _this2.runSuite(rootSuite, end);
	  };

	  var prepare = function prepare() {
	    debug$2('run(): starting'); // If there is an `only` filter

	    if (rootSuite.hasOnly()) {
	      rootSuite.filterOnly();
	      debug$2('run(): filtered exclusive Runnables');
	    }

	    _this2.state = constants$3.STATE_RUNNING;

	    if (_this2._delay) {
	      _this2.emit(constants$3.EVENT_DELAY_END);

	      debug$2('run(): "delay" ended');
	    }

	    return begin();
	  }; // references cleanup to avoid memory leaks


	  if (this._opts.cleanReferencesAfterRun) {
	    this.on(constants$3.EVENT_SUITE_END, function (suite) {
	      suite.cleanReferences();
	    });
	  } // callback


	  this.on(constants$3.EVENT_RUN_END, function () {
	    this.state = constants$3.STATE_STOPPED;
	    debug$2('run(): emitted %s', constants$3.EVENT_RUN_END);
	    fn(this.failures);
	  });

	  this._removeEventListener(process$1, 'uncaughtException', this.uncaught);

	  this._removeEventListener(process$1, 'unhandledRejection', this.unhandled);

	  this._addEventListener(process$1, 'uncaughtException', this.uncaught);

	  this._addEventListener(process$1, 'unhandledRejection', this.unhandled);

	  if (this._delay) {
	    // for reporters, I guess.
	    // might be nice to debounce some dots while we wait.
	    this.emit(constants$3.EVENT_DELAY_BEGIN, rootSuite);
	    rootSuite.once(EVENT_ROOT_SUITE_RUN, prepare);
	    debug$2('run(): waiting for green light due to --delay');
	  } else {
	    Runner.immediately(prepare);
	  }

	  return this;
	};
	/**
	 * Toggle partial object linking behavior; used for building object references from
	 * unique ID's. Does nothing in serial mode, because the object references already exist.
	 * Subclasses can implement this (e.g., `ParallelBufferedRunner`)
	 * @abstract
	 * @param {boolean} [value] - If `true`, enable partial object linking, otherwise disable
	 * @returns {Runner}
	 * @chainable
	 * @public
	 * @example
	 * // this reporter needs proper object references when run in parallel mode
	 * class MyReporter() {
	 *   constructor(runner) {
	 *     this.runner.linkPartialObjects(true)
	 *       .on(EVENT_SUITE_BEGIN, suite => {
	           // this Suite may be the same object...
	 *       })
	 *       .on(EVENT_TEST_BEGIN, test => {
	 *         // ...as the `test.parent` property
	 *       });
	 *   }
	 * }
	 */


	Runner.prototype.linkPartialObjects = function (value) {
	  return this;
	};
	/*
	 * Like {@link Runner#run}, but does not accept a callback and returns a `Promise` instead of a `Runner`.
	 * This function cannot reject; an `unhandledRejection` event will bubble up to the `process` object instead.
	 * @public
	 * @memberof Runner
	 * @param {Object} [opts] - Options for {@link Runner#run}
	 * @returns {Promise<number>} Failure count
	 */


	Runner.prototype.runAsync = /*#__PURE__*/function () {
	  var _runAsync = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() {
	    var _this3 = this;

	    var opts,
	        _args = arguments;
	    return regeneratorRuntime.wrap(function _callee$(_context) {
	      while (1) {
	        switch (_context.prev = _context.next) {
	          case 0:
	            opts = _args.length > 0 && _args[0] !== undefined ? _args[0] : {};
	            return _context.abrupt("return", new Promise(function (resolve) {
	              _this3.run(resolve, opts);
	            }));

	          case 2:
	          case "end":
	            return _context.stop();
	        }
	      }
	    }, _callee);
	  }));

	  function runAsync() {
	    return _runAsync.apply(this, arguments);
	  }

	  return runAsync;
	}();
	/**
	 * Cleanly abort execution.
	 *
	 * @memberof Runner
	 * @public
	 * @return {Runner} Runner instance.
	 */


	Runner.prototype.abort = function () {
	  debug$2('abort(): aborting');
	  this._abort = true;
	  return this;
	};
	/**
	 * Returns `true` if Mocha is running in parallel mode.  For reporters.
	 *
	 * Subclasses should return an appropriate value.
	 * @public
	 * @returns {false}
	 */


	Runner.prototype.isParallelMode = function isParallelMode() {
	  return false;
	};
	/**
	 * Configures an alternate reporter for worker processes to use. Subclasses
	 * using worker processes should implement this.
	 * @public
	 * @param {string} path - Absolute path to alternate reporter for worker processes to use
	 * @returns {Runner}
	 * @throws When in serial mode
	 * @chainable
	 * @abstract
	 */


	Runner.prototype.workerReporter = function () {
	  throw createUnsupportedError$1('workerReporter() not supported in serial mode');
	};
	/**
	 * Filter leaks with the given globals flagged as `ok`.
	 *
	 * @private
	 * @param {Array} ok
	 * @param {Array} globals
	 * @return {Array}
	 */


	function filterLeaks(ok, globals) {
	  return globals.filter(function (key) {
	    // Firefox and Chrome exposes iframes as index inside the window object
	    if (/^\d+/.test(key)) {
	      return false;
	    } // in firefox
	    // if runner runs in an iframe, this iframe's window.getInterface method
	    // not init at first it is assigned in some seconds


	    if (commonjsGlobal.navigator && /^getInterface/.test(key)) {
	      return false;
	    } // an iframe could be approached by window[iframeIndex]
	    // in ie6,7,8 and opera, iframeIndex is enumerable, this could cause leak


	    if (commonjsGlobal.navigator && /^\d+/.test(key)) {
	      return false;
	    } // Opera and IE expose global variables for HTML element IDs (issue #243)


	    if (/^mocha-/.test(key)) {
	      return false;
	    }

	    var matched = ok.filter(function (ok) {
	      if (~ok.indexOf('*')) {
	        return key.indexOf(ok.split('*')[0]) === 0;
	      }

	      return key === ok;
	    });
	    return !matched.length && (!commonjsGlobal.navigator || key !== 'onerror');
	  });
	}
	/**
	 * Check if argument is an instance of Error object or a duck-typed equivalent.
	 *
	 * @private
	 * @param {Object} err - object to check
	 * @param {string} err.message - error message
	 * @returns {boolean}
	 */


	function isError$1(err) {
	  return err instanceof Error || err && typeof err.message === 'string';
	}
	/**
	 *
	 * Converts thrown non-extensible type into proper Error.
	 *
	 * @private
	 * @param {*} thrown - Non-extensible type thrown by code
	 * @return {Error}
	 */


	function thrown2Error(err) {
	  return new Error("the ".concat(utils.canonicalType(err), " ").concat(stringify(err), " was thrown, throw an Error :)"));
	}

	Runner.constants = constants$3;
	/**
	 * Node.js' `EventEmitter`
	 * @external EventEmitter
	 * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter}
	 */

	var runner$1 = Runner;

	var base = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Base
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var isBrowser = utils.isBrowser();

	  function getBrowserWindowSize() {
	    if ('innerHeight' in commonjsGlobal) {
	      return [commonjsGlobal.innerHeight, commonjsGlobal.innerWidth];
	    } // In a Web Worker, the DOM Window is not available.


	    return [640, 480];
	  }
	  /**
	   * Expose `Base`.
	   */


	  exports = module.exports = Base;
	  /**
	   * Check if both stdio streams are associated with a tty.
	   */

	  var isatty = isBrowser || process$1.stdout.isTTY && process$1.stderr.isTTY;
	  /**
	   * Save log references to avoid tests interfering (see GH-3604).
	   */

	  var consoleLog = console.log;
	  /**
	   * Enable coloring by default, except in the browser interface.
	   */

	  exports.useColors = !isBrowser && (require$$11.stdout || process$1.env.MOCHA_COLORS !== undefined);
	  /**
	   * Inline diffs instead of +/-
	   */

	  exports.inlineDiffs = false;
	  /**
	   * Default color map.
	   */

	  exports.colors = {
	    pass: 90,
	    fail: 31,
	    'bright pass': 92,
	    'bright fail': 91,
	    'bright yellow': 93,
	    pending: 36,
	    suite: 0,
	    'error title': 0,
	    'error message': 31,
	    'error stack': 90,
	    checkmark: 32,
	    fast: 90,
	    medium: 33,
	    slow: 31,
	    green: 32,
	    light: 90,
	    'diff gutter': 90,
	    'diff added': 32,
	    'diff removed': 31,
	    'diff added inline': '30;42',
	    'diff removed inline': '30;41'
	  };
	  /**
	   * Default symbol map.
	   */

	  exports.symbols = {
	    ok: '✓',
	    err: '✖',
	    dot: '․',
	    comma: ',',
	    bang: '!'
	  }; // With node.js on Windows: use symbols available in terminal default fonts

	  if (process$1.platform === 'win32') {
	    exports.symbols.ok = "\u221A";
	    exports.symbols.err = "\xD7";
	    exports.symbols.dot = '.';
	  }
	  /**
	   * Color `str` with the given `type`,
	   * allowing colors to be disabled,
	   * as well as user-defined color
	   * schemes.
	   *
	   * @private
	   * @param {string} type
	   * @param {string} str
	   * @return {string}
	   */


	  var color = exports.color = function (type, str) {
	    if (!exports.useColors) {
	      return String(str);
	    }

	    return "\x1B[" + exports.colors[type] + 'm' + str + "\x1B[0m";
	  };
	  /**
	   * Expose term window size, with some defaults for when stderr is not a tty.
	   */


	  exports.window = {
	    width: 75
	  };

	  if (isatty) {
	    if (isBrowser) {
	      exports.window.width = getBrowserWindowSize()[1];
	    } else {
	      exports.window.width = process$1.stdout.getWindowSize(1)[0];
	    }
	  }
	  /**
	   * Expose some basic cursor interactions that are common among reporters.
	   */


	  exports.cursor = {
	    hide: function hide() {
	      isatty && process$1.stdout.write("\x1B[?25l");
	    },
	    show: function show() {
	      isatty && process$1.stdout.write("\x1B[?25h");
	    },
	    deleteLine: function deleteLine() {
	      isatty && process$1.stdout.write("\x1B[2K");
	    },
	    beginningOfLine: function beginningOfLine() {
	      isatty && process$1.stdout.write("\x1B[0G");
	    },
	    CR: function CR() {
	      if (isatty) {
	        exports.cursor.deleteLine();
	        exports.cursor.beginningOfLine();
	      } else {
	        process$1.stdout.write('\r');
	      }
	    }
	  };

	  var showDiff = exports.showDiff = function (err) {
	    return err && err.showDiff !== false && sameType(err.actual, err.expected) && err.expected !== undefined;
	  };

	  function stringifyDiffObjs(err) {
	    if (!utils.isString(err.actual) || !utils.isString(err.expected)) {
	      err.actual = utils.stringify(err.actual);
	      err.expected = utils.stringify(err.expected);
	    }
	  }
	  /**
	   * Returns a diff between 2 strings with coloured ANSI output.
	   *
	   * @description
	   * The diff will be either inline or unified dependent on the value
	   * of `Base.inlineDiff`.
	   *
	   * @param {string} actual
	   * @param {string} expected
	   * @return {string} Diff
	   */


	  var generateDiff = exports.generateDiff = function (actual, expected) {
	    try {
	      return exports.inlineDiffs ? inlineDiff(actual, expected) : unifiedDiff(actual, expected);
	    } catch (err) {
	      var msg = '\n      ' + color('diff added', '+ expected') + ' ' + color('diff removed', '- actual:  failed to generate Mocha diff') + '\n';
	      return msg;
	    }
	  };
	  /**
	   * Outputs the given `failures` as a list.
	   *
	   * @public
	   * @memberof Mocha.reporters.Base
	   * @variation 1
	   * @param {Object[]} failures - Each is Test instance with corresponding
	   *     Error property
	   */


	  exports.list = function (failures) {
	    var multipleErr, multipleTest;
	    Base.consoleLog();
	    failures.forEach(function (test, i) {
	      // format
	      var fmt = color('error title', '  %s) %s:\n') + color('error message', '     %s') + color('error stack', '\n%s\n'); // msg

	      var msg;
	      var err;

	      if (test.err && test.err.multiple) {
	        if (multipleTest !== test) {
	          multipleTest = test;
	          multipleErr = [test.err].concat(test.err.multiple);
	        }

	        err = multipleErr.shift();
	      } else {
	        err = test.err;
	      }

	      var message;

	      if (err.message && typeof err.message.toString === 'function') {
	        message = err.message + '';
	      } else if (typeof err.inspect === 'function') {
	        message = err.inspect() + '';
	      } else {
	        message = '';
	      }

	      var stack = err.stack || message;
	      var index = message ? stack.indexOf(message) : -1;

	      if (index === -1) {
	        msg = message;
	      } else {
	        index += message.length;
	        msg = stack.slice(0, index); // remove msg from stack

	        stack = stack.slice(index + 1);
	      } // uncaught


	      if (err.uncaught) {
	        msg = 'Uncaught ' + msg;
	      } // explicitly show diff


	      if (!exports.hideDiff && showDiff(err)) {
	        stringifyDiffObjs(err);
	        fmt = color('error title', '  %s) %s:\n%s') + color('error stack', '\n%s\n');
	        var match = message.match(/^([^:]+): expected/);
	        msg = '\n      ' + color('error message', match ? match[1] : msg);
	        msg += generateDiff(err.actual, err.expected);
	      } // indent stack trace


	      stack = stack.replace(/^/gm, '  '); // indented test title

	      var testTitle = '';
	      test.titlePath().forEach(function (str, index) {
	        if (index !== 0) {
	          testTitle += '\n     ';
	        }

	        for (var i = 0; i < index; i++) {
	          testTitle += '  ';
	        }

	        testTitle += str;
	      });
	      Base.consoleLog(fmt, i + 1, testTitle, msg, stack);
	    });
	  };
	  /**
	   * Constructs a new `Base` reporter instance.
	   *
	   * @description
	   * All other reporters generally inherit from this reporter.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */


	  function Base(runner, options) {
	    var failures = this.failures = [];

	    if (!runner) {
	      throw new TypeError('Missing runner argument');
	    }

	    this.options = options || {};
	    this.runner = runner;
	    this.stats = runner.stats; // assigned so Reporters keep a closer reference

	    runner.on(EVENT_TEST_PASS, function (test) {
	      if (test.duration > test.slow()) {
	        test.speed = 'slow';
	      } else if (test.duration > test.slow() / 2) {
	        test.speed = 'medium';
	      } else {
	        test.speed = 'fast';
	      }
	    });
	    runner.on(EVENT_TEST_FAIL, function (test, err) {
	      if (showDiff(err)) {
	        stringifyDiffObjs(err);
	      } // more than one error per test


	      if (test.err && err instanceof Error) {
	        test.err.multiple = (test.err.multiple || []).concat(err);
	      } else {
	        test.err = err;
	      }

	      failures.push(test);
	    });
	  }
	  /**
	   * Outputs common epilogue used by many of the bundled reporters.
	   *
	   * @public
	   * @memberof Mocha.reporters
	   */


	  Base.prototype.epilogue = function () {
	    var stats = this.stats;
	    var fmt;
	    Base.consoleLog(); // passes

	    fmt = color('bright pass', ' ') + color('green', ' %d passing') + color('light', ' (%s)');
	    Base.consoleLog(fmt, stats.passes || 0, ms(stats.duration)); // pending

	    if (stats.pending) {
	      fmt = color('pending', ' ') + color('pending', ' %d pending');
	      Base.consoleLog(fmt, stats.pending);
	    } // failures


	    if (stats.failures) {
	      fmt = color('fail', '  %d failing');
	      Base.consoleLog(fmt, stats.failures);
	      Base.list(this.failures);
	      Base.consoleLog();
	    }

	    Base.consoleLog();
	  };
	  /**
	   * Pads the given `str` to `len`.
	   *
	   * @private
	   * @param {string} str
	   * @param {string} len
	   * @return {string}
	   */


	  function pad(str, len) {
	    str = String(str);
	    return Array(len - str.length + 1).join(' ') + str;
	  }
	  /**
	   * Returns inline diff between 2 strings with coloured ANSI output.
	   *
	   * @private
	   * @param {String} actual
	   * @param {String} expected
	   * @return {string} Diff
	   */


	  function inlineDiff(actual, expected) {
	    var msg = errorDiff(actual, expected); // linenos

	    var lines = msg.split('\n');

	    if (lines.length > 4) {
	      var width = String(lines.length).length;
	      msg = lines.map(function (str, i) {
	        return pad(++i, width) + ' |' + ' ' + str;
	      }).join('\n');
	    } // legend


	    msg = '\n' + color('diff removed inline', 'actual') + ' ' + color('diff added inline', 'expected') + '\n\n' + msg + '\n'; // indent

	    msg = msg.replace(/^/gm, '      ');
	    return msg;
	  }
	  /**
	   * Returns unified diff between two strings with coloured ANSI output.
	   *
	   * @private
	   * @param {String} actual
	   * @param {String} expected
	   * @return {string} The diff.
	   */


	  function unifiedDiff(actual, expected) {
	    var indent = '      ';

	    function cleanUp(line) {
	      if (line[0] === '+') {
	        return indent + colorLines('diff added', line);
	      }

	      if (line[0] === '-') {
	        return indent + colorLines('diff removed', line);
	      }

	      if (line.match(/@@/)) {
	        return '--';
	      }

	      if (line.match(/\\ No newline/)) {
	        return null;
	      }

	      return indent + line;
	    }

	    function notBlank(line) {
	      return typeof line !== 'undefined' && line !== null;
	    }

	    var msg = diff.createPatch('string', actual, expected);
	    var lines = msg.split('\n').splice(5);
	    return '\n      ' + colorLines('diff added', '+ expected') + ' ' + colorLines('diff removed', '- actual') + '\n\n' + lines.map(cleanUp).filter(notBlank).join('\n');
	  }
	  /**
	   * Returns character diff for `err`.
	   *
	   * @private
	   * @param {String} actual
	   * @param {String} expected
	   * @return {string} the diff
	   */


	  function errorDiff(actual, expected) {
	    return diff.diffWordsWithSpace(actual, expected).map(function (str) {
	      if (str.added) {
	        return colorLines('diff added inline', str.value);
	      }

	      if (str.removed) {
	        return colorLines('diff removed inline', str.value);
	      }

	      return str.value;
	    }).join('');
	  }
	  /**
	   * Colors lines for `str`, using the color `name`.
	   *
	   * @private
	   * @param {string} name
	   * @param {string} str
	   * @return {string}
	   */


	  function colorLines(name, str) {
	    return str.split('\n').map(function (str) {
	      return color(name, str);
	    }).join('\n');
	  }
	  /**
	   * Object#toString reference.
	   */


	  var objToString = Object.prototype.toString;
	  /**
	   * Checks that a / b have the same type.
	   *
	   * @private
	   * @param {Object} a
	   * @param {Object} b
	   * @return {boolean}
	   */

	  function sameType(a, b) {
	    return objToString.call(a) === objToString.call(b);
	  }

	  Base.consoleLog = consoleLog;
	  Base["abstract"] = true;
	});

	var dot = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Dot
	   */

	  /**
	   * Module dependencies.
	   */

	  var inherits = utils.inherits;
	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  /**
	   * Expose `Dot`.
	   */

	  module.exports = Dot;
	  /**
	   * Constructs a new `Dot` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Dot(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var width = base.window.width * 0.75 | 0;
	    var n = -1;
	    runner.on(EVENT_RUN_BEGIN, function () {
	      process$1.stdout.write('\n');
	    });
	    runner.on(EVENT_TEST_PENDING, function () {
	      if (++n % width === 0) {
	        process$1.stdout.write('\n  ');
	      }

	      process$1.stdout.write(base.color('pending', base.symbols.comma));
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      if (++n % width === 0) {
	        process$1.stdout.write('\n  ');
	      }

	      if (test.speed === 'slow') {
	        process$1.stdout.write(base.color('bright yellow', base.symbols.dot));
	      } else {
	        process$1.stdout.write(base.color(test.speed, base.symbols.dot));
	      }
	    });
	    runner.on(EVENT_TEST_FAIL, function () {
	      if (++n % width === 0) {
	        process$1.stdout.write('\n  ');
	      }

	      process$1.stdout.write(base.color('fail', base.symbols.bang));
	    });
	    runner.once(EVENT_RUN_END, function () {
	      process$1.stdout.write('\n');
	      self.epilogue();
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Dot, base);
	  Dot.description = 'dot matrix representation';
	});

	var doc = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Doc
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
	  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
	  /**
	   * Expose `Doc`.
	   */

	  module.exports = Doc;
	  /**
	   * Constructs a new `Doc` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Doc(runner, options) {
	    base.call(this, runner, options);
	    var indents = 2;

	    function indent() {
	      return Array(indents).join('  ');
	    }

	    runner.on(EVENT_SUITE_BEGIN, function (suite) {
	      if (suite.root) {
	        return;
	      }

	      ++indents;
	      base.consoleLog('%s<section class="suite">', indent());
	      ++indents;
	      base.consoleLog('%s<h1>%s</h1>', indent(), utils.escape(suite.title));
	      base.consoleLog('%s<dl>', indent());
	    });
	    runner.on(EVENT_SUITE_END, function (suite) {
	      if (suite.root) {
	        return;
	      }

	      base.consoleLog('%s</dl>', indent());
	      --indents;
	      base.consoleLog('%s</section>', indent());
	      --indents;
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      base.consoleLog('%s  <dt>%s</dt>', indent(), utils.escape(test.title));
	      base.consoleLog('%s  <dt>%s</dt>', indent(), utils.escape(test.file));
	      var code = utils.escape(utils.clean(test.body));
	      base.consoleLog('%s  <dd><pre><code>%s</code></pre></dd>', indent(), code);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test, err) {
	      base.consoleLog('%s  <dt class="error">%s</dt>', indent(), utils.escape(test.title));
	      base.consoleLog('%s  <dt class="error">%s</dt>', indent(), utils.escape(test.file));
	      var code = utils.escape(utils.clean(test.body));
	      base.consoleLog('%s  <dd class="error"><pre><code>%s</code></pre></dd>', indent(), code);
	      base.consoleLog('%s  <dd class="error">%s</dd>', indent(), utils.escape(err));
	    });
	  }

	  Doc.description = 'HTML documentation';
	});

	var tap = createCommonjsModule(function (module, exports) {
	  /**
	   * @module TAP
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var EVENT_TEST_END = constants.EVENT_TEST_END;
	  var inherits = utils.inherits;
	  var sprintf = util.format;
	  /**
	   * Expose `TAP`.
	   */

	  module.exports = TAP;
	  /**
	   * Constructs a new `TAP` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function TAP(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var n = 1;
	    var tapVersion = '12';

	    if (options && options.reporterOptions) {
	      if (options.reporterOptions.tapVersion) {
	        tapVersion = options.reporterOptions.tapVersion.toString();
	      }
	    }

	    this._producer = createProducer(tapVersion);
	    runner.once(EVENT_RUN_BEGIN, function () {
	      self._producer.writeVersion();
	    });
	    runner.on(EVENT_TEST_END, function () {
	      ++n;
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      self._producer.writePending(n, test);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      self._producer.writePass(n, test);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test, err) {
	      self._producer.writeFail(n, test, err);
	    });
	    runner.once(EVENT_RUN_END, function () {
	      self._producer.writeEpilogue(runner.stats);
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(TAP, base);
	  /**
	   * Returns a TAP-safe title of `test`.
	   *
	   * @private
	   * @param {Test} test - Test instance.
	   * @return {String} title with any hash character removed
	   */

	  function title(test) {
	    return test.fullTitle().replace(/#/g, '');
	  }
	  /**
	   * Writes newline-terminated formatted string to reporter output stream.
	   *
	   * @private
	   * @param {string} format - `printf`-like format string
	   * @param {...*} [varArgs] - Format string arguments
	   */


	  function println(format, varArgs) {
	    var vargs = Array.from(arguments);
	    vargs[0] += '\n';
	    process$1.stdout.write(sprintf.apply(null, vargs));
	  }
	  /**
	   * Returns a `tapVersion`-appropriate TAP producer instance, if possible.
	   *
	   * @private
	   * @param {string} tapVersion - Version of TAP specification to produce.
	   * @returns {TAPProducer} specification-appropriate instance
	   * @throws {Error} if specification version has no associated producer.
	   */


	  function createProducer(tapVersion) {
	    var producers = {
	      '12': new TAP12Producer(),
	      '13': new TAP13Producer()
	    };
	    var producer = producers[tapVersion];

	    if (!producer) {
	      throw new Error('invalid or unsupported TAP version: ' + JSON.stringify(tapVersion));
	    }

	    return producer;
	  }
	  /**
	   * @summary
	   * Constructs a new TAPProducer.
	   *
	   * @description
	   * <em>Only</em> to be used as an abstract base class.
	   *
	   * @private
	   * @constructor
	   */


	  function TAPProducer() {}
	  /**
	   * Writes the TAP version to reporter output stream.
	   *
	   * @abstract
	   */


	  TAPProducer.prototype.writeVersion = function () {};
	  /**
	   * Writes the plan to reporter output stream.
	   *
	   * @abstract
	   * @param {number} ntests - Number of tests that are planned to run.
	   */


	  TAPProducer.prototype.writePlan = function (ntests) {
	    println('%d..%d', 1, ntests);
	  };
	  /**
	   * Writes that test passed to reporter output stream.
	   *
	   * @abstract
	   * @param {number} n - Index of test that passed.
	   * @param {Test} test - Instance containing test information.
	   */


	  TAPProducer.prototype.writePass = function (n, test) {
	    println('ok %d %s', n, title(test));
	  };
	  /**
	   * Writes that test was skipped to reporter output stream.
	   *
	   * @abstract
	   * @param {number} n - Index of test that was skipped.
	   * @param {Test} test - Instance containing test information.
	   */


	  TAPProducer.prototype.writePending = function (n, test) {
	    println('ok %d %s # SKIP -', n, title(test));
	  };
	  /**
	   * Writes that test failed to reporter output stream.
	   *
	   * @abstract
	   * @param {number} n - Index of test that failed.
	   * @param {Test} test - Instance containing test information.
	   * @param {Error} err - Reason the test failed.
	   */


	  TAPProducer.prototype.writeFail = function (n, test, err) {
	    println('not ok %d %s', n, title(test));
	  };
	  /**
	   * Writes the summary epilogue to reporter output stream.
	   *
	   * @abstract
	   * @param {Object} stats - Object containing run statistics.
	   */


	  TAPProducer.prototype.writeEpilogue = function (stats) {
	    // :TBD: Why is this not counting pending tests?
	    println('# tests ' + (stats.passes + stats.failures));
	    println('# pass ' + stats.passes); // :TBD: Why are we not showing pending results?

	    println('# fail ' + stats.failures);
	    this.writePlan(stats.passes + stats.failures + stats.pending);
	  };
	  /**
	   * @summary
	   * Constructs a new TAP12Producer.
	   *
	   * @description
	   * Produces output conforming to the TAP12 specification.
	   *
	   * @private
	   * @constructor
	   * @extends TAPProducer
	   * @see {@link https://testanything.org/tap-specification.html|Specification}
	   */


	  function TAP12Producer() {
	    /**
	     * Writes that test failed to reporter output stream, with error formatting.
	     * @override
	     */
	    this.writeFail = function (n, test, err) {
	      TAPProducer.prototype.writeFail.call(this, n, test, err);

	      if (err.message) {
	        println(err.message.replace(/^/gm, '  '));
	      }

	      if (err.stack) {
	        println(err.stack.replace(/^/gm, '  '));
	      }
	    };
	  }
	  /**
	   * Inherit from `TAPProducer.prototype`.
	   */


	  inherits(TAP12Producer, TAPProducer);
	  /**
	   * @summary
	   * Constructs a new TAP13Producer.
	   *
	   * @description
	   * Produces output conforming to the TAP13 specification.
	   *
	   * @private
	   * @constructor
	   * @extends TAPProducer
	   * @see {@link https://testanything.org/tap-version-13-specification.html|Specification}
	   */

	  function TAP13Producer() {
	    /**
	     * Writes the TAP version to reporter output stream.
	     * @override
	     */
	    this.writeVersion = function () {
	      println('TAP version 13');
	    };
	    /**
	     * Writes that test failed to reporter output stream, with error formatting.
	     * @override
	     */


	    this.writeFail = function (n, test, err) {
	      TAPProducer.prototype.writeFail.call(this, n, test, err);
	      var emitYamlBlock = err.message != null || err.stack != null;

	      if (emitYamlBlock) {
	        println(indent(1) + '---');

	        if (err.message) {
	          println(indent(2) + 'message: |-');
	          println(err.message.replace(/^/gm, indent(3)));
	        }

	        if (err.stack) {
	          println(indent(2) + 'stack: |-');
	          println(err.stack.replace(/^/gm, indent(3)));
	        }

	        println(indent(1) + '...');
	      }
	    };

	    function indent(level) {
	      return Array(level + 1).join('  ');
	    }
	  }
	  /**
	   * Inherit from `TAPProducer.prototype`.
	   */


	  inherits(TAP13Producer, TAPProducer);
	  TAP.description = 'TAP-compatible output';
	});

	var json = createCommonjsModule(function (module, exports) {
	  /**
	   * @module JSON
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_TEST_END = constants.EVENT_TEST_END;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  /**
	   * Expose `JSON`.
	   */

	  module.exports = JSONReporter;
	  /**
	   * Constructs a new `JSON` reporter instance.
	   *
	   * @public
	   * @class JSON
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function JSONReporter(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var tests = [];
	    var pending = [];
	    var failures = [];
	    var passes = [];
	    runner.on(EVENT_TEST_END, function (test) {
	      tests.push(test);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      passes.push(test);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      failures.push(test);
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      pending.push(test);
	    });
	    runner.once(EVENT_RUN_END, function () {
	      var obj = {
	        stats: self.stats,
	        tests: tests.map(clean),
	        pending: pending.map(clean),
	        failures: failures.map(clean),
	        passes: passes.map(clean)
	      };
	      runner.testResults = obj;
	      process$1.stdout.write(JSON.stringify(obj, null, 2));
	    });
	  }
	  /**
	   * Return a plain-object representation of `test`
	   * free of cyclic properties etc.
	   *
	   * @private
	   * @param {Object} test
	   * @return {Object}
	   */


	  function clean(test) {
	    var err = test.err || {};

	    if (err instanceof Error) {
	      err = errorJSON(err);
	    }

	    return {
	      title: test.title,
	      fullTitle: test.fullTitle(),
	      file: test.file,
	      duration: test.duration,
	      currentRetry: test.currentRetry(),
	      speed: test.speed,
	      err: cleanCycles(err)
	    };
	  }
	  /**
	   * Replaces any circular references inside `obj` with '[object Object]'
	   *
	   * @private
	   * @param {Object} obj
	   * @return {Object}
	   */


	  function cleanCycles(obj) {
	    var cache = [];
	    return JSON.parse(JSON.stringify(obj, function (key, value) {
	      if (_typeof(value) === 'object' && value !== null) {
	        if (cache.indexOf(value) !== -1) {
	          // Instead of going in a circle, we'll print [object Object]
	          return '' + value;
	        }

	        cache.push(value);
	      }

	      return value;
	    }));
	  }
	  /**
	   * Transform an Error object into a JSON object.
	   *
	   * @private
	   * @param {Error} err
	   * @return {Object}
	   */


	  function errorJSON(err) {
	    var res = {};
	    Object.getOwnPropertyNames(err).forEach(function (key) {
	      res[key] = err[key];
	    }, err);
	    return res;
	  }

	  JSONReporter.description = 'single JSON object';
	});

	// `thisNumberValue` abstract operation
	// https://tc39.es/ecma262/#sec-thisnumbervalue
	var thisNumberValue = function (value) {
	  if (typeof value != 'number' && classofRaw(value) != 'Number') {
	    throw TypeError('Incorrect invocation');
	  }
	  return +value;
	};

	// `String.prototype.repeat` method implementation
	// https://tc39.es/ecma262/#sec-string.prototype.repeat
	var stringRepeat = ''.repeat || function repeat(count) {
	  var str = String(requireObjectCoercible(this));
	  var result = '';
	  var n = toInteger(count);
	  if (n < 0 || n == Infinity) throw RangeError('Wrong number of repetitions');
	  for (;n > 0; (n >>>= 1) && (str += str)) if (n & 1) result += str;
	  return result;
	};

	var nativeToFixed = 1.0.toFixed;
	var floor$4 = Math.floor;

	var pow$1 = function (x, n, acc) {
	  return n === 0 ? acc : n % 2 === 1 ? pow$1(x, n - 1, acc * x) : pow$1(x * x, n / 2, acc);
	};

	var log$2 = function (x) {
	  var n = 0;
	  var x2 = x;
	  while (x2 >= 4096) {
	    n += 12;
	    x2 /= 4096;
	  }
	  while (x2 >= 2) {
	    n += 1;
	    x2 /= 2;
	  } return n;
	};

	var FORCED$8 = nativeToFixed && (
	  0.00008.toFixed(3) !== '0.000' ||
	  0.9.toFixed(0) !== '1' ||
	  1.255.toFixed(2) !== '1.25' ||
	  1000000000000000128.0.toFixed(0) !== '1000000000000000128'
	) || !fails(function () {
	  // V8 ~ Android 4.3-
	  nativeToFixed.call({});
	});

	// `Number.prototype.toFixed` method
	// https://tc39.es/ecma262/#sec-number.prototype.tofixed
	_export({ target: 'Number', proto: true, forced: FORCED$8 }, {
	  // eslint-disable-next-line max-statements
	  toFixed: function toFixed(fractionDigits) {
	    var number = thisNumberValue(this);
	    var fractDigits = toInteger(fractionDigits);
	    var data = [0, 0, 0, 0, 0, 0];
	    var sign = '';
	    var result = '0';
	    var e, z, j, k;

	    var multiply = function (n, c) {
	      var index = -1;
	      var c2 = c;
	      while (++index < 6) {
	        c2 += n * data[index];
	        data[index] = c2 % 1e7;
	        c2 = floor$4(c2 / 1e7);
	      }
	    };

	    var divide = function (n) {
	      var index = 6;
	      var c = 0;
	      while (--index >= 0) {
	        c += data[index];
	        data[index] = floor$4(c / n);
	        c = (c % n) * 1e7;
	      }
	    };

	    var dataToString = function () {
	      var index = 6;
	      var s = '';
	      while (--index >= 0) {
	        if (s !== '' || index === 0 || data[index] !== 0) {
	          var t = String(data[index]);
	          s = s === '' ? t : s + stringRepeat.call('0', 7 - t.length) + t;
	        }
	      } return s;
	    };

	    if (fractDigits < 0 || fractDigits > 20) throw RangeError('Incorrect fraction digits');
	    // eslint-disable-next-line no-self-compare
	    if (number != number) return 'NaN';
	    if (number <= -1e21 || number >= 1e21) return String(number);
	    if (number < 0) {
	      sign = '-';
	      number = -number;
	    }
	    if (number > 1e-21) {
	      e = log$2(number * pow$1(2, 69, 1)) - 69;
	      z = e < 0 ? number * pow$1(2, -e, 1) : number / pow$1(2, e, 1);
	      z *= 0x10000000000000;
	      e = 52 - e;
	      if (e > 0) {
	        multiply(0, z);
	        j = fractDigits;
	        while (j >= 7) {
	          multiply(1e7, 0);
	          j -= 7;
	        }
	        multiply(pow$1(10, j, 1), 0);
	        j = e - 1;
	        while (j >= 23) {
	          divide(1 << 23);
	          j -= 23;
	        }
	        divide(1 << j);
	        multiply(1, 1);
	        divide(2);
	        result = dataToString();
	      } else {
	        multiply(0, z);
	        multiply(1 << -e, 0);
	        result = dataToString() + stringRepeat.call('0', fractDigits);
	      }
	    }
	    if (fractDigits > 0) {
	      k = result.length;
	      result = sign + (k <= fractDigits
	        ? '0.' + stringRepeat.call('0', fractDigits - k) + result
	        : result.slice(0, k - fractDigits) + '.' + result.slice(k - fractDigits));
	    } else {
	      result = sign + result;
	    } return result;
	  }
	});

	/**
	 @module browser/Progress
	*/

	/**
	 * Expose `Progress`.
	 */

	var progress = Progress;
	/**
	 * Initialize a new `Progress` indicator.
	 */

	function Progress() {
	  this.percent = 0;
	  this.size(0);
	  this.fontSize(11);
	  this.font('helvetica, arial, sans-serif');
	}
	/**
	 * Set progress size to `size`.
	 *
	 * @public
	 * @param {number} size
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.size = function (size) {
	  this._size = size;
	  return this;
	};
	/**
	 * Set text to `text`.
	 *
	 * @public
	 * @param {string} text
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.text = function (text) {
	  this._text = text;
	  return this;
	};
	/**
	 * Set font size to `size`.
	 *
	 * @public
	 * @param {number} size
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.fontSize = function (size) {
	  this._fontSize = size;
	  return this;
	};
	/**
	 * Set font to `family`.
	 *
	 * @param {string} family
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.font = function (family) {
	  this._font = family;
	  return this;
	};
	/**
	 * Update percentage to `n`.
	 *
	 * @param {number} n
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.update = function (n) {
	  this.percent = n;
	  return this;
	};
	/**
	 * Draw on `ctx`.
	 *
	 * @param {CanvasRenderingContext2d} ctx
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.draw = function (ctx) {
	  try {
	    var percent = Math.min(this.percent, 100);
	    var size = this._size;
	    var half = size / 2;
	    var x = half;
	    var y = half;
	    var rad = half - 1;
	    var fontSize = this._fontSize;
	    ctx.font = fontSize + 'px ' + this._font;
	    var angle = Math.PI * 2 * (percent / 100);
	    ctx.clearRect(0, 0, size, size); // outer circle

	    ctx.strokeStyle = '#9f9f9f';
	    ctx.beginPath();
	    ctx.arc(x, y, rad, 0, angle, false);
	    ctx.stroke(); // inner circle

	    ctx.strokeStyle = '#eee';
	    ctx.beginPath();
	    ctx.arc(x, y, rad - 1, 0, angle, true);
	    ctx.stroke(); // text

	    var text = this._text || (percent | 0) + '%';
	    var w = ctx.measureText(text).width;
	    ctx.fillText(text, x - w / 2 + 1, y + fontSize / 2 - 1);
	  } catch (ignore) {// don't fail if we can't render progress
	  }

	  return this;
	};

	var html$1 = createCommonjsModule(function (module, exports) {
	  /* eslint-env browser */

	  /**
	   * @module HTML
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
	  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var escape = utils.escape;
	  /**
	   * Save timer references to avoid Sinon interfering (see GH-237).
	   */

	  var Date = commonjsGlobal.Date;
	  /**
	   * Expose `HTML`.
	   */

	  module.exports = HTML;
	  /**
	   * Stats template.
	   */

	  var statsTemplate = '<ul id="mocha-stats">' + '<li class="progress"><canvas width="40" height="40"></canvas></li>' + '<li class="passes"><a href="javascript:void(0);">passes:</a> <em>0</em></li>' + '<li class="failures"><a href="javascript:void(0);">failures:</a> <em>0</em></li>' + '<li class="duration">duration: <em>0</em>s</li>' + '</ul>';
	  var playIcon = '&#x2023;';
	  /**
	   * Constructs a new `HTML` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function HTML(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var stats = this.stats;
	    var stat = fragment(statsTemplate);
	    var items = stat.getElementsByTagName('li');
	    var passes = items[1].getElementsByTagName('em')[0];
	    var passesLink = items[1].getElementsByTagName('a')[0];
	    var failures = items[2].getElementsByTagName('em')[0];
	    var failuresLink = items[2].getElementsByTagName('a')[0];
	    var duration = items[3].getElementsByTagName('em')[0];
	    var canvas = stat.getElementsByTagName('canvas')[0];
	    var report = fragment('<ul id="mocha-report"></ul>');
	    var stack = [report];
	    var progress$1;
	    var ctx;
	    var root = document.getElementById('mocha');

	    if (canvas.getContext) {
	      var ratio = window.devicePixelRatio || 1;
	      canvas.style.width = canvas.width;
	      canvas.style.height = canvas.height;
	      canvas.width *= ratio;
	      canvas.height *= ratio;
	      ctx = canvas.getContext('2d');
	      ctx.scale(ratio, ratio);
	      progress$1 = new progress();
	    }

	    if (!root) {
	      return error('#mocha div missing, add it to your document');
	    } // pass toggle


	    on(passesLink, 'click', function (evt) {
	      evt.preventDefault();
	      unhide();
	      var name = /pass/.test(report.className) ? '' : ' pass';
	      report.className = report.className.replace(/fail|pass/g, '') + name;

	      if (report.className.trim()) {
	        hideSuitesWithout('test pass');
	      }
	    }); // failure toggle

	    on(failuresLink, 'click', function (evt) {
	      evt.preventDefault();
	      unhide();
	      var name = /fail/.test(report.className) ? '' : ' fail';
	      report.className = report.className.replace(/fail|pass/g, '') + name;

	      if (report.className.trim()) {
	        hideSuitesWithout('test fail');
	      }
	    });
	    root.appendChild(stat);
	    root.appendChild(report);

	    if (progress$1) {
	      progress$1.size(40);
	    }

	    runner.on(EVENT_SUITE_BEGIN, function (suite) {
	      if (suite.root) {
	        return;
	      } // suite


	      var url = self.suiteURL(suite);
	      var el = fragment('<li class="suite"><h1><a href="%s">%s</a></h1></li>', url, escape(suite.title)); // container

	      stack[0].appendChild(el);
	      stack.unshift(document.createElement('ul'));
	      el.appendChild(stack[0]);
	    });
	    runner.on(EVENT_SUITE_END, function (suite) {
	      if (suite.root) {
	        updateStats();
	        return;
	      }

	      stack.shift();
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      var url = self.testURL(test);
	      var markup = '<li class="test pass %e"><h2>%e<span class="duration">%ems</span> ' + '<a href="%s" class="replay">' + playIcon + '</a></h2></li>';
	      var el = fragment(markup, test.speed, test.title, test.duration, url);
	      self.addCodeToggle(el, test.body);
	      appendToStack(el);
	      updateStats();
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      var el = fragment('<li class="test fail"><h2>%e <a href="%e" class="replay">' + playIcon + '</a></h2></li>', test.title, self.testURL(test));
	      var stackString; // Note: Includes leading newline

	      var message = test.err.toString(); // <=IE7 stringifies to [Object Error]. Since it can be overloaded, we
	      // check for the result of the stringifying.

	      if (message === '[object Error]') {
	        message = test.err.message;
	      }

	      if (test.err.stack) {
	        var indexOfMessage = test.err.stack.indexOf(test.err.message);

	        if (indexOfMessage === -1) {
	          stackString = test.err.stack;
	        } else {
	          stackString = test.err.stack.substr(test.err.message.length + indexOfMessage);
	        }
	      } else if (test.err.sourceURL && test.err.line !== undefined) {
	        // Safari doesn't give you a stack. Let's at least provide a source line.
	        stackString = '\n(' + test.err.sourceURL + ':' + test.err.line + ')';
	      }

	      stackString = stackString || '';

	      if (test.err.htmlMessage && stackString) {
	        el.appendChild(fragment('<div class="html-error">%s\n<pre class="error">%e</pre></div>', test.err.htmlMessage, stackString));
	      } else if (test.err.htmlMessage) {
	        el.appendChild(fragment('<div class="html-error">%s</div>', test.err.htmlMessage));
	      } else {
	        el.appendChild(fragment('<pre class="error">%e%e</pre>', message, stackString));
	      }

	      self.addCodeToggle(el, test.body);
	      appendToStack(el);
	      updateStats();
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      var el = fragment('<li class="test pass pending"><h2>%e</h2></li>', test.title);
	      appendToStack(el);
	      updateStats();
	    });

	    function appendToStack(el) {
	      // Don't call .appendChild if #mocha-report was already .shift()'ed off the stack.
	      if (stack[0]) {
	        stack[0].appendChild(el);
	      }
	    }

	    function updateStats() {
	      // TODO: add to stats
	      var percent = stats.tests / runner.total * 100 | 0;

	      if (progress$1) {
	        progress$1.update(percent).draw(ctx);
	      } // update stats


	      var ms = new Date() - stats.start;
	      text(passes, stats.passes);
	      text(failures, stats.failures);
	      text(duration, (ms / 1000).toFixed(2));
	    }
	  }
	  /**
	   * Makes a URL, preserving querystring ("search") parameters.
	   *
	   * @param {string} s
	   * @return {string} A new URL.
	   */


	  function makeUrl(s) {
	    var search = window.location.search; // Remove previous grep query parameter if present

	    if (search) {
	      search = search.replace(/[?&]grep=[^&\s]*/g, '').replace(/^&/, '?');
	    }

	    return window.location.pathname + (search ? search + '&' : '?') + 'grep=' + encodeURIComponent(escapeStringRegexp(s));
	  }
	  /**
	   * Provide suite URL.
	   *
	   * @param {Object} [suite]
	   */


	  HTML.prototype.suiteURL = function (suite) {
	    return makeUrl(suite.fullTitle());
	  };
	  /**
	   * Provide test URL.
	   *
	   * @param {Object} [test]
	   */


	  HTML.prototype.testURL = function (test) {
	    return makeUrl(test.fullTitle());
	  };
	  /**
	   * Adds code toggle functionality for the provided test's list element.
	   *
	   * @param {HTMLLIElement} el
	   * @param {string} contents
	   */


	  HTML.prototype.addCodeToggle = function (el, contents) {
	    var h2 = el.getElementsByTagName('h2')[0];
	    on(h2, 'click', function () {
	      pre.style.display = pre.style.display === 'none' ? 'block' : 'none';
	    });
	    var pre = fragment('<pre><code>%e</code></pre>', utils.clean(contents));
	    el.appendChild(pre);
	    pre.style.display = 'none';
	  };
	  /**
	   * Display error `msg`.
	   *
	   * @param {string} msg
	   */


	  function error(msg) {
	    document.body.appendChild(fragment('<div id="mocha-error">%s</div>', msg));
	  }
	  /**
	   * Return a DOM fragment from `html`.
	   *
	   * @param {string} html
	   */


	  function fragment(html) {
	    var args = arguments;
	    var div = document.createElement('div');
	    var i = 1;
	    div.innerHTML = html.replace(/%([se])/g, function (_, type) {
	      switch (type) {
	        case 's':
	          return String(args[i++]);

	        case 'e':
	          return escape(args[i++]);
	        // no default
	      }
	    });
	    return div.firstChild;
	  }
	  /**
	   * Check for suites that do not have elements
	   * with `classname`, and hide them.
	   *
	   * @param {text} classname
	   */


	  function hideSuitesWithout(classname) {
	    var suites = document.getElementsByClassName('suite');

	    for (var i = 0; i < suites.length; i++) {
	      var els = suites[i].getElementsByClassName(classname);

	      if (!els.length) {
	        suites[i].className += ' hidden';
	      }
	    }
	  }
	  /**
	   * Unhide .hidden suites.
	   */


	  function unhide() {
	    var els = document.getElementsByClassName('suite hidden');

	    while (els.length > 0) {
	      els[0].className = els[0].className.replace('suite hidden', 'suite');
	    }
	  }
	  /**
	   * Set an element's text contents.
	   *
	   * @param {HTMLElement} el
	   * @param {string} contents
	   */


	  function text(el, contents) {
	    if (el.textContent) {
	      el.textContent = contents;
	    } else {
	      el.innerText = contents;
	    }
	  }
	  /**
	   * Listen on `event` with callback `fn`.
	   */


	  function on(el, event, fn) {
	    if (el.addEventListener) {
	      el.addEventListener(event, fn, false);
	    } else {
	      el.attachEvent('on' + event, fn);
	    }
	  }

	  HTML.browserOnly = true;
	});

	var list = createCommonjsModule(function (module, exports) {
	  /**
	   * @module List
	   */

	  /**
	   * Module dependencies.
	   */

	  var inherits = utils.inherits;
	  var constants = runner$1.constants;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_BEGIN = constants.EVENT_TEST_BEGIN;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var color = base.color;
	  var cursor = base.cursor;
	  /**
	   * Expose `List`.
	   */

	  module.exports = List;
	  /**
	   * Constructs a new `List` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function List(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var n = 0;
	    runner.on(EVENT_RUN_BEGIN, function () {
	      base.consoleLog();
	    });
	    runner.on(EVENT_TEST_BEGIN, function (test) {
	      process$1.stdout.write(color('pass', '    ' + test.fullTitle() + ': '));
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      var fmt = color('checkmark', '  -') + color('pending', ' %s');
	      base.consoleLog(fmt, test.fullTitle());
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      var fmt = color('checkmark', '  ' + base.symbols.ok) + color('pass', ' %s: ') + color(test.speed, '%dms');
	      cursor.CR();
	      base.consoleLog(fmt, test.fullTitle(), test.duration);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      cursor.CR();
	      base.consoleLog(color('fail', '  %d) %s'), ++n, test.fullTitle());
	    });
	    runner.once(EVENT_RUN_END, self.epilogue.bind(self));
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(List, base);
	  List.description = 'like "spec" reporter but flat';
	});

	var min$7 = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Min
	   */

	  /**
	   * Module dependencies.
	   */

	  var inherits = utils.inherits;
	  var constants = runner$1.constants;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  /**
	   * Expose `Min`.
	   */

	  module.exports = Min;
	  /**
	   * Constructs a new `Min` reporter instance.
	   *
	   * @description
	   * This minimal test reporter is best used with '--watch'.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Min(runner, options) {
	    base.call(this, runner, options);
	    runner.on(EVENT_RUN_BEGIN, function () {
	      // clear screen
	      process$1.stdout.write("\x1B[2J"); // set cursor position

	      process$1.stdout.write("\x1B[1;3H");
	    });
	    runner.once(EVENT_RUN_END, this.epilogue.bind(this));
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Min, base);
	  Min.description = 'essentially just a summary';
	});

	var spec = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Spec
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
	  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var inherits = utils.inherits;
	  var color = base.color;
	  /**
	   * Expose `Spec`.
	   */

	  module.exports = Spec;
	  /**
	   * Constructs a new `Spec` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Spec(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var indents = 0;
	    var n = 0;

	    function indent() {
	      return Array(indents).join('  ');
	    }

	    runner.on(EVENT_RUN_BEGIN, function () {
	      base.consoleLog();
	    });
	    runner.on(EVENT_SUITE_BEGIN, function (suite) {
	      ++indents;
	      base.consoleLog(color('suite', '%s%s'), indent(), suite.title);
	    });
	    runner.on(EVENT_SUITE_END, function () {
	      --indents;

	      if (indents === 1) {
	        base.consoleLog();
	      }
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      var fmt = indent() + color('pending', '  - %s');
	      base.consoleLog(fmt, test.title);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      var fmt;

	      if (test.speed === 'fast') {
	        fmt = indent() + color('checkmark', '  ' + base.symbols.ok) + color('pass', ' %s');
	        base.consoleLog(fmt, test.title);
	      } else {
	        fmt = indent() + color('checkmark', '  ' + base.symbols.ok) + color('pass', ' %s') + color(test.speed, ' (%dms)');
	        base.consoleLog(fmt, test.title, test.duration);
	      }
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      base.consoleLog(indent() + color('fail', '  %d) %s'), ++n, test.title);
	    });
	    runner.once(EVENT_RUN_END, self.epilogue.bind(self));
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Spec, base);
	  Spec.description = 'hierarchical & verbose [default]';
	});

	var nyan = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Nyan
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var inherits = utils.inherits;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  /**
	   * Expose `Dot`.
	   */

	  module.exports = NyanCat;
	  /**
	   * Constructs a new `Nyan` reporter instance.
	   *
	   * @public
	   * @class Nyan
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function NyanCat(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var width = base.window.width * 0.75 | 0;
	    var nyanCatWidth = this.nyanCatWidth = 11;
	    this.colorIndex = 0;
	    this.numberOfLines = 4;
	    this.rainbowColors = self.generateColors();
	    this.scoreboardWidth = 5;
	    this.tick = 0;
	    this.trajectories = [[], [], [], []];
	    this.trajectoryWidthMax = width - nyanCatWidth;
	    runner.on(EVENT_RUN_BEGIN, function () {
	      base.cursor.hide();
	      self.draw();
	    });
	    runner.on(EVENT_TEST_PENDING, function () {
	      self.draw();
	    });
	    runner.on(EVENT_TEST_PASS, function () {
	      self.draw();
	    });
	    runner.on(EVENT_TEST_FAIL, function () {
	      self.draw();
	    });
	    runner.once(EVENT_RUN_END, function () {
	      base.cursor.show();

	      for (var i = 0; i < self.numberOfLines; i++) {
	        write('\n');
	      }

	      self.epilogue();
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(NyanCat, base);
	  /**
	   * Draw the nyan cat
	   *
	   * @private
	   */

	  NyanCat.prototype.draw = function () {
	    this.appendRainbow();
	    this.drawScoreboard();
	    this.drawRainbow();
	    this.drawNyanCat();
	    this.tick = !this.tick;
	  };
	  /**
	   * Draw the "scoreboard" showing the number
	   * of passes, failures and pending tests.
	   *
	   * @private
	   */


	  NyanCat.prototype.drawScoreboard = function () {
	    var stats = this.stats;

	    function draw(type, n) {
	      write(' ');
	      write(base.color(type, n));
	      write('\n');
	    }

	    draw('green', stats.passes);
	    draw('fail', stats.failures);
	    draw('pending', stats.pending);
	    write('\n');
	    this.cursorUp(this.numberOfLines);
	  };
	  /**
	   * Append the rainbow.
	   *
	   * @private
	   */


	  NyanCat.prototype.appendRainbow = function () {
	    var segment = this.tick ? '_' : '-';
	    var rainbowified = this.rainbowify(segment);

	    for (var index = 0; index < this.numberOfLines; index++) {
	      var trajectory = this.trajectories[index];

	      if (trajectory.length >= this.trajectoryWidthMax) {
	        trajectory.shift();
	      }

	      trajectory.push(rainbowified);
	    }
	  };
	  /**
	   * Draw the rainbow.
	   *
	   * @private
	   */


	  NyanCat.prototype.drawRainbow = function () {
	    var self = this;
	    this.trajectories.forEach(function (line) {
	      write("\x1B[" + self.scoreboardWidth + 'C');
	      write(line.join(''));
	      write('\n');
	    });
	    this.cursorUp(this.numberOfLines);
	  };
	  /**
	   * Draw the nyan cat
	   *
	   * @private
	   */


	  NyanCat.prototype.drawNyanCat = function () {
	    var self = this;
	    var startWidth = this.scoreboardWidth + this.trajectories[0].length;
	    var dist = "\x1B[" + startWidth + 'C';
	    var padding = '';
	    write(dist);
	    write('_,------,');
	    write('\n');
	    write(dist);
	    padding = self.tick ? '  ' : '   ';
	    write('_|' + padding + '/\\_/\\ ');
	    write('\n');
	    write(dist);
	    padding = self.tick ? '_' : '__';
	    var tail = self.tick ? '~' : '^';
	    write(tail + '|' + padding + this.face() + ' ');
	    write('\n');
	    write(dist);
	    padding = self.tick ? ' ' : '  ';
	    write(padding + '""  "" ');
	    write('\n');
	    this.cursorUp(this.numberOfLines);
	  };
	  /**
	   * Draw nyan cat face.
	   *
	   * @private
	   * @return {string}
	   */


	  NyanCat.prototype.face = function () {
	    var stats = this.stats;

	    if (stats.failures) {
	      return '( x .x)';
	    } else if (stats.pending) {
	      return '( o .o)';
	    } else if (stats.passes) {
	      return '( ^ .^)';
	    }

	    return '( - .-)';
	  };
	  /**
	   * Move cursor up `n`.
	   *
	   * @private
	   * @param {number} n
	   */


	  NyanCat.prototype.cursorUp = function (n) {
	    write("\x1B[" + n + 'A');
	  };
	  /**
	   * Move cursor down `n`.
	   *
	   * @private
	   * @param {number} n
	   */


	  NyanCat.prototype.cursorDown = function (n) {
	    write("\x1B[" + n + 'B');
	  };
	  /**
	   * Generate rainbow colors.
	   *
	   * @private
	   * @return {Array}
	   */


	  NyanCat.prototype.generateColors = function () {
	    var colors = [];

	    for (var i = 0; i < 6 * 7; i++) {
	      var pi3 = Math.floor(Math.PI / 3);
	      var n = i * (1.0 / 6);
	      var r = Math.floor(3 * Math.sin(n) + 3);
	      var g = Math.floor(3 * Math.sin(n + 2 * pi3) + 3);
	      var b = Math.floor(3 * Math.sin(n + 4 * pi3) + 3);
	      colors.push(36 * r + 6 * g + b + 16);
	    }

	    return colors;
	  };
	  /**
	   * Apply rainbow to the given `str`.
	   *
	   * @private
	   * @param {string} str
	   * @return {string}
	   */


	  NyanCat.prototype.rainbowify = function (str) {
	    if (!base.useColors) {
	      return str;
	    }

	    var color = this.rainbowColors[this.colorIndex % this.rainbowColors.length];
	    this.colorIndex += 1;
	    return "\x1B[38;5;" + color + 'm' + str + "\x1B[0m";
	  };
	  /**
	   * Stdout helper.
	   *
	   * @param {string} string A message to write to stdout.
	   */


	  function write(string) {
	    process$1.stdout.write(string);
	  }

	  NyanCat.description = '"nyan cat"';
	});

	var fs = {};

	var xunit = createCommonjsModule(function (module, exports) {
	  /**
	   * @module XUnit
	   */

	  /**
	   * Module dependencies.
	   */

	  var createUnsupportedError = errors.createUnsupportedError;
	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var STATE_FAILED = runnable.constants.STATE_FAILED;
	  var inherits = utils.inherits;
	  var escape = utils.escape;
	  /**
	   * Save timer references to avoid Sinon interfering (see GH-237).
	   */

	  var Date = commonjsGlobal.Date;
	  /**
	   * Expose `XUnit`.
	   */

	  module.exports = XUnit;
	  /**
	   * Constructs a new `XUnit` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function XUnit(runner, options) {
	    base.call(this, runner, options);
	    var stats = this.stats;
	    var tests = [];
	    var self = this; // the name of the test suite, as it will appear in the resulting XML file

	    var suiteName; // the default name of the test suite if none is provided

	    var DEFAULT_SUITE_NAME = 'Mocha Tests';

	    if (options && options.reporterOptions) {
	      if (options.reporterOptions.output) {
	        if (!fs.createWriteStream) {
	          throw createUnsupportedError('file output not supported in browser');
	        }

	        fs.mkdirSync(path$1.dirname(options.reporterOptions.output), {
	          recursive: true
	        });
	        self.fileStream = fs.createWriteStream(options.reporterOptions.output);
	      } // get the suite name from the reporter options (if provided)


	      suiteName = options.reporterOptions.suiteName;
	    } // fall back to the default suite name


	    suiteName = suiteName || DEFAULT_SUITE_NAME;
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      tests.push(test);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      tests.push(test);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      tests.push(test);
	    });
	    runner.once(EVENT_RUN_END, function () {
	      self.write(tag('testsuite', {
	        name: suiteName,
	        tests: stats.tests,
	        failures: 0,
	        errors: stats.failures,
	        skipped: stats.tests - stats.failures - stats.passes,
	        timestamp: new Date().toUTCString(),
	        time: stats.duration / 1000 || 0
	      }, false));
	      tests.forEach(function (t) {
	        self.test(t);
	      });
	      self.write('</testsuite>');
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(XUnit, base);
	  /**
	   * Override done to close the stream (if it's a file).
	   *
	   * @param failures
	   * @param {Function} fn
	   */

	  XUnit.prototype.done = function (failures, fn) {
	    if (this.fileStream) {
	      this.fileStream.end(function () {
	        fn(failures);
	      });
	    } else {
	      fn(failures);
	    }
	  };
	  /**
	   * Write out the given line.
	   *
	   * @param {string} line
	   */


	  XUnit.prototype.write = function (line) {
	    if (this.fileStream) {
	      this.fileStream.write(line + '\n');
	    } else if (_typeof(process$1) === 'object' && process$1.stdout) {
	      process$1.stdout.write(line + '\n');
	    } else {
	      base.consoleLog(line);
	    }
	  };
	  /**
	   * Output tag for the given `test.`
	   *
	   * @param {Test} test
	   */


	  XUnit.prototype.test = function (test) {
	    base.useColors = false;
	    var attrs = {
	      classname: test.parent.fullTitle(),
	      name: test.title,
	      time: test.duration / 1000 || 0
	    };

	    if (test.state === STATE_FAILED) {
	      var err = test.err;
	      var diff = !base.hideDiff && base.showDiff(err) ? '\n' + base.generateDiff(err.actual, err.expected) : '';
	      this.write(tag('testcase', attrs, false, tag('failure', {}, false, escape(err.message) + escape(diff) + '\n' + escape(err.stack))));
	    } else if (test.isPending()) {
	      this.write(tag('testcase', attrs, false, tag('skipped', {}, true)));
	    } else {
	      this.write(tag('testcase', attrs, true));
	    }
	  };
	  /**
	   * HTML tag helper.
	   *
	   * @param name
	   * @param attrs
	   * @param close
	   * @param content
	   * @return {string}
	   */


	  function tag(name, attrs, close, content) {
	    var end = close ? '/>' : '>';
	    var pairs = [];
	    var tag;

	    for (var key in attrs) {
	      if (Object.prototype.hasOwnProperty.call(attrs, key)) {
	        pairs.push(key + '="' + escape(attrs[key]) + '"');
	      }
	    }

	    tag = '<' + name + (pairs.length ? ' ' + pairs.join(' ') : '') + end;

	    if (content) {
	      tag += content + '</' + name + end;
	    }

	    return tag;
	  }

	  XUnit.description = 'XUnit-compatible XML output';
	});

	var markdown = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Markdown
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
	  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  /**
	   * Constants
	   */

	  var SUITE_PREFIX = '$';
	  /**
	   * Expose `Markdown`.
	   */

	  module.exports = Markdown;
	  /**
	   * Constructs a new `Markdown` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Markdown(runner, options) {
	    base.call(this, runner, options);
	    var level = 0;
	    var buf = '';

	    function title(str) {
	      return Array(level).join('#') + ' ' + str;
	    }

	    function mapTOC(suite, obj) {
	      var ret = obj;
	      var key = SUITE_PREFIX + suite.title;
	      obj = obj[key] = obj[key] || {
	        suite: suite
	      };
	      suite.suites.forEach(function (suite) {
	        mapTOC(suite, obj);
	      });
	      return ret;
	    }

	    function stringifyTOC(obj, level) {
	      ++level;
	      var buf = '';
	      var link;

	      for (var key in obj) {
	        if (key === 'suite') {
	          continue;
	        }

	        if (key !== SUITE_PREFIX) {
	          link = ' - [' + key.substring(1) + ']';
	          link += '(#' + utils.slug(obj[key].suite.fullTitle()) + ')\n';
	          buf += Array(level).join('  ') + link;
	        }

	        buf += stringifyTOC(obj[key], level);
	      }

	      return buf;
	    }

	    function generateTOC(suite) {
	      var obj = mapTOC(suite, {});
	      return stringifyTOC(obj, 0);
	    }

	    generateTOC(runner.suite);
	    runner.on(EVENT_SUITE_BEGIN, function (suite) {
	      ++level;
	      var slug = utils.slug(suite.fullTitle());
	      buf += '<a name="' + slug + '"></a>' + '\n';
	      buf += title(suite.title) + '\n';
	    });
	    runner.on(EVENT_SUITE_END, function () {
	      --level;
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      var code = utils.clean(test.body);
	      buf += test.title + '.\n';
	      buf += '\n```js\n';
	      buf += code + '\n';
	      buf += '```\n\n';
	    });
	    runner.once(EVENT_RUN_END, function () {
	      process$1.stdout.write('# TOC\n');
	      process$1.stdout.write(generateTOC(runner.suite));
	      process$1.stdout.write(buf);
	    });
	  }

	  Markdown.description = 'GitHub Flavored Markdown';
	});

	var progress$1 = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Progress
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_TEST_END = constants.EVENT_TEST_END;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var inherits = utils.inherits;
	  var color = base.color;
	  var cursor = base.cursor;
	  /**
	   * Expose `Progress`.
	   */

	  module.exports = Progress;
	  /**
	   * General progress bar color.
	   */

	  base.colors.progress = 90;
	  /**
	   * Constructs a new `Progress` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Progress(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var width = base.window.width * 0.5 | 0;
	    var total = runner.total;
	    var complete = 0;
	    var lastN = -1; // default chars

	    options = options || {};
	    var reporterOptions = options.reporterOptions || {};
	    options.open = reporterOptions.open || '[';
	    options.complete = reporterOptions.complete || '▬';
	    options.incomplete = reporterOptions.incomplete || base.symbols.dot;
	    options.close = reporterOptions.close || ']';
	    options.verbose = reporterOptions.verbose || false; // tests started

	    runner.on(EVENT_RUN_BEGIN, function () {
	      process$1.stdout.write('\n');
	      cursor.hide();
	    }); // tests complete

	    runner.on(EVENT_TEST_END, function () {
	      complete++;
	      var percent = complete / total;
	      var n = width * percent | 0;
	      var i = width - n;

	      if (n === lastN && !options.verbose) {
	        // Don't re-render the line if it hasn't changed
	        return;
	      }

	      lastN = n;
	      cursor.CR();
	      process$1.stdout.write("\x1B[J");
	      process$1.stdout.write(color('progress', '  ' + options.open));
	      process$1.stdout.write(Array(n).join(options.complete));
	      process$1.stdout.write(Array(i).join(options.incomplete));
	      process$1.stdout.write(color('progress', options.close));

	      if (options.verbose) {
	        process$1.stdout.write(color('progress', ' ' + complete + ' of ' + total));
	      }
	    }); // tests are complete, output some stats
	    // and the failures if any

	    runner.once(EVENT_RUN_END, function () {
	      cursor.show();
	      process$1.stdout.write('\n');
	      self.epilogue();
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Progress, base);
	  Progress.description = 'a progress bar';
	});

	var landing = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Landing
	   */

	  /**
	   * Module dependencies.
	   */

	  var inherits = utils.inherits;
	  var constants = runner$1.constants;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_END = constants.EVENT_TEST_END;
	  var STATE_FAILED = runnable.constants.STATE_FAILED;
	  var cursor = base.cursor;
	  var color = base.color;
	  /**
	   * Expose `Landing`.
	   */

	  module.exports = Landing;
	  /**
	   * Airplane color.
	   */

	  base.colors.plane = 0;
	  /**
	   * Airplane crash color.
	   */

	  base.colors['plane crash'] = 31;
	  /**
	   * Runway color.
	   */

	  base.colors.runway = 90;
	  /**
	   * Constructs a new `Landing` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Landing(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var width = base.window.width * 0.75 | 0;
	    var stream = process$1.stdout;
	    var plane = color('plane', '✈');
	    var crashed = -1;
	    var n = 0;
	    var total = 0;

	    function runway() {
	      var buf = Array(width).join('-');
	      return '  ' + color('runway', buf);
	    }

	    runner.on(EVENT_RUN_BEGIN, function () {
	      stream.write('\n\n\n  ');
	      cursor.hide();
	    });
	    runner.on(EVENT_TEST_END, function (test) {
	      // check if the plane crashed
	      var col = crashed === -1 ? width * ++n / ++total | 0 : crashed; // show the crash

	      if (test.state === STATE_FAILED) {
	        plane = color('plane crash', '✈');
	        crashed = col;
	      } // render landing strip


	      stream.write("\x1B[" + (width + 1) + "D\x1B[2A");
	      stream.write(runway());
	      stream.write('\n  ');
	      stream.write(color('runway', Array(col).join('⋅')));
	      stream.write(plane);
	      stream.write(color('runway', Array(width - col).join('⋅') + '\n'));
	      stream.write(runway());
	      stream.write("\x1B[0m");
	    });
	    runner.once(EVENT_RUN_END, function () {
	      cursor.show();
	      process$1.stdout.write('\n');
	      self.epilogue();
	    }); // if cursor is hidden when we ctrl-C, then it will remain hidden unless...

	    process$1.once('SIGINT', function () {
	      cursor.show();
	      nextTick(function () {
	        process$1.kill(process$1.pid, 'SIGINT');
	      });
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Landing, base);
	  Landing.description = 'Unicode landing strip';
	});

	var jsonStream = createCommonjsModule(function (module, exports) {
	  /**
	   * @module JSONStream
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  /**
	   * Expose `JSONStream`.
	   */

	  module.exports = JSONStream;
	  /**
	   * Constructs a new `JSONStream` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function JSONStream(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var total = runner.total;
	    runner.once(EVENT_RUN_BEGIN, function () {
	      writeEvent(['start', {
	        total: total
	      }]);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      writeEvent(['pass', clean(test)]);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test, err) {
	      test = clean(test);
	      test.err = err.message;
	      test.stack = err.stack || null;
	      writeEvent(['fail', test]);
	    });
	    runner.once(EVENT_RUN_END, function () {
	      writeEvent(['end', self.stats]);
	    });
	  }
	  /**
	   * Mocha event to be written to the output stream.
	   * @typedef {Array} JSONStream~MochaEvent
	   */

	  /**
	   * Writes Mocha event to reporter output stream.
	   *
	   * @private
	   * @param {JSONStream~MochaEvent} event - Mocha event to be output.
	   */


	  function writeEvent(event) {
	    process$1.stdout.write(JSON.stringify(event) + '\n');
	  }
	  /**
	   * Returns an object literal representation of `test`
	   * free of cyclic properties, etc.
	   *
	   * @private
	   * @param {Test} test - Instance used as data source.
	   * @return {Object} object containing pared-down test instance data
	   */


	  function clean(test) {
	    return {
	      title: test.title,
	      fullTitle: test.fullTitle(),
	      file: test.file,
	      duration: test.duration,
	      currentRetry: test.currentRetry(),
	      speed: test.speed
	    };
	  }

	  JSONStream.description = 'newline delimited JSON events';
	});

	var reporters = createCommonjsModule(function (module, exports) {
	  // for dynamic (try/catch) requires, which Browserify doesn't handle.

	  exports.Base = exports.base = base;
	  exports.Dot = exports.dot = dot;
	  exports.Doc = exports.doc = doc;
	  exports.TAP = exports.tap = tap;
	  exports.JSON = exports.json = json;
	  exports.HTML = exports.html = html$1;
	  exports.List = exports.list = list;
	  exports.Min = exports.min = min$7;
	  exports.Spec = exports.spec = spec;
	  exports.Nyan = exports.nyan = nyan;
	  exports.XUnit = exports.xunit = xunit;
	  exports.Markdown = exports.markdown = markdown;
	  exports.Progress = exports.progress = progress$1;
	  exports.Landing = exports.landing = landing;
	  exports.JSONStream = exports['json-stream'] = jsonStream;
	});

	var name = "mocha";
	var version$2 = "8.4.0";
	var homepage = "https://mochajs.org/";
	var notifyLogo = "https://ibin.co/4QuRuGjXvl36.png";
	var _package = {
		name: name,
		version: version$2,
		homepage: homepage,
		notifyLogo: notifyLogo
	};

	var _package$1 = /*#__PURE__*/Object.freeze({
		__proto__: null,
		name: name,
		version: version$2,
		homepage: homepage,
		notifyLogo: notifyLogo,
		'default': _package
	});

	var require$$10 = getCjsExportFromNamespace(_package$1);

	/**
	 * Web Notifications module.
	 * @module Growl
	 */

	/**
	 * Save timer references to avoid Sinon interfering (see GH-237).
	 */


	var Date$2 = commonjsGlobal.Date;
	var setTimeout$2 = commonjsGlobal.setTimeout;
	var EVENT_RUN_END = runner$1.constants.EVENT_RUN_END;
	var isBrowser = utils.isBrowser;
	/**
	 * Checks if browser notification support exists.
	 *
	 * @public
	 * @see {@link https://caniuse.com/#feat=notifications|Browser support (notifications)}
	 * @see {@link https://caniuse.com/#feat=promises|Browser support (promises)}
	 * @see {@link Mocha#growl}
	 * @see {@link Mocha#isGrowlCapable}
	 * @return {boolean} whether browser notification support exists
	 */

	var isCapable = function isCapable() {
	  var hasNotificationSupport = ('Notification' in window);
	  var hasPromiseSupport = typeof Promise === 'function';
	  return isBrowser() && hasNotificationSupport && hasPromiseSupport;
	};
	/**
	 * Implements browser notifications as a pseudo-reporter.
	 *
	 * @public
	 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/notification|Notification API}
	 * @see {@link https://developers.google.com/web/fundamentals/push-notifications/display-a-notification|Displaying a Notification}
	 * @see {@link Growl#isPermitted}
	 * @see {@link Mocha#_growl}
	 * @param {Runner} runner - Runner instance.
	 */


	var notify$2 = function notify(runner) {
	  var promise = isPermitted();
	  /**
	   * Attempt notification.
	   */

	  var sendNotification = function sendNotification() {
	    // If user hasn't responded yet... "No notification for you!" (Seinfeld)
	    Promise.race([promise, Promise.resolve(undefined)]).then(canNotify).then(function () {
	      display(runner);
	    })["catch"](notPermitted);
	  };

	  runner.once(EVENT_RUN_END, sendNotification);
	};
	/**
	 * Checks if browser notification is permitted by user.
	 *
	 * @private
	 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Notification/permission|Notification.permission}
	 * @see {@link Mocha#growl}
	 * @see {@link Mocha#isGrowlPermitted}
	 * @returns {Promise<boolean>} promise determining if browser notification
	 *     permissible when fulfilled.
	 */


	function isPermitted() {
	  var permitted = {
	    granted: function allow() {
	      return Promise.resolve(true);
	    },
	    denied: function deny() {
	      return Promise.resolve(false);
	    },
	    "default": function ask() {
	      return Notification.requestPermission().then(function (permission) {
	        return permission === 'granted';
	      });
	    }
	  };
	  return permitted[Notification.permission]();
	}
	/**
	 * @summary
	 * Determines if notification should proceed.
	 *
	 * @description
	 * Notification shall <strong>not</strong> proceed unless `value` is true.
	 *
	 * `value` will equal one of:
	 * <ul>
	 *   <li><code>true</code> (from `isPermitted`)</li>
	 *   <li><code>false</code> (from `isPermitted`)</li>
	 *   <li><code>undefined</code> (from `Promise.race`)</li>
	 * </ul>
	 *
	 * @private
	 * @param {boolean|undefined} value - Determines if notification permissible.
	 * @returns {Promise<undefined>} Notification can proceed
	 */


	function canNotify(value) {
	  if (!value) {
	    var why = value === false ? 'blocked' : 'unacknowledged';
	    var reason = 'not permitted by user (' + why + ')';
	    return Promise.reject(new Error(reason));
	  }

	  return Promise.resolve();
	}
	/**
	 * Displays the notification.
	 *
	 * @private
	 * @param {Runner} runner - Runner instance.
	 */


	function display(runner) {
	  var stats = runner.stats;
	  var symbol = {
	    cross: "\u274C",
	    tick: "\u2705"
	  };
	  var logo = require$$10.notifyLogo;

	  var _message;

	  var message;
	  var title;

	  if (stats.failures) {
	    _message = stats.failures + ' of ' + stats.tests + ' tests failed';
	    message = symbol.cross + ' ' + _message;
	    title = 'Failed';
	  } else {
	    _message = stats.passes + ' tests passed in ' + stats.duration + 'ms';
	    message = symbol.tick + ' ' + _message;
	    title = 'Passed';
	  } // Send notification


	  var options = {
	    badge: logo,
	    body: message,
	    dir: 'ltr',
	    icon: logo,
	    lang: 'en-US',
	    name: 'mocha',
	    requireInteraction: false,
	    timestamp: Date$2.now()
	  };
	  var notification = new Notification(title, options); // Autoclose after brief delay (makes various browsers act same)

	  var FORCE_DURATION = 4000;
	  setTimeout$2(notification.close.bind(notification), FORCE_DURATION);
	}
	/**
	 * As notifications are tangential to our purpose, just log the error.
	 *
	 * @private
	 * @param {Error} err - Why notification didn't happen.
	 */


	function notPermitted(err) {
	  console.error('notification error:', err.message);
	}

	var growl = {
	  isCapable: isCapable,
	  notify: notify$2
	};

	var diff$1 = true;
	var extension = [
		"js",
		"cjs",
		"mjs"
	];
	var reporter = "spec";
	var slow = 75;
	var timeout = 2000;
	var ui = "bdd";
	var mocharc = {
		diff: diff$1,
		extension: extension,
		"package": "./package.json",
		reporter: reporter,
		slow: slow,
		timeout: timeout,
		ui: ui,
		"watch-ignore": [
		"node_modules",
		".git"
	]
	};

	var mocharc$1 = /*#__PURE__*/Object.freeze({
		__proto__: null,
		diff: diff$1,
		extension: extension,
		reporter: reporter,
		slow: slow,
		timeout: timeout,
		ui: ui,
		'default': mocharc
	});

	/**
	 * Provides a factory function for a {@link StatsCollector} object.
	 * @module
	 */


	var constants$4 = runner$1.constants;
	var EVENT_TEST_PASS = constants$4.EVENT_TEST_PASS;
	var EVENT_TEST_FAIL = constants$4.EVENT_TEST_FAIL;
	var EVENT_SUITE_BEGIN = constants$4.EVENT_SUITE_BEGIN;
	var EVENT_RUN_BEGIN = constants$4.EVENT_RUN_BEGIN;
	var EVENT_TEST_PENDING = constants$4.EVENT_TEST_PENDING;
	var EVENT_RUN_END$1 = constants$4.EVENT_RUN_END;
	var EVENT_TEST_END = constants$4.EVENT_TEST_END;
	/**
	 * Test statistics collector.
	 *
	 * @public
	 * @typedef {Object} StatsCollector
	 * @property {number} suites - integer count of suites run.
	 * @property {number} tests - integer count of tests run.
	 * @property {number} passes - integer count of passing tests.
	 * @property {number} pending - integer count of pending tests.
	 * @property {number} failures - integer count of failed tests.
	 * @property {Date} start - time when testing began.
	 * @property {Date} end - time when testing concluded.
	 * @property {number} duration - number of msecs that testing took.
	 */

	var Date$3 = commonjsGlobal.Date;
	/**
	 * Provides stats such as test duration, number of tests passed / failed etc., by listening for events emitted by `runner`.
	 *
	 * @private
	 * @param {Runner} runner - Runner instance
	 * @throws {TypeError} If falsy `runner`
	 */

	function createStatsCollector(runner) {
	  /**
	   * @type StatsCollector
	   */
	  var stats = {
	    suites: 0,
	    tests: 0,
	    passes: 0,
	    pending: 0,
	    failures: 0
	  };

	  if (!runner) {
	    throw new TypeError('Missing runner argument');
	  }

	  runner.stats = stats;
	  runner.once(EVENT_RUN_BEGIN, function () {
	    stats.start = new Date$3();
	  });
	  runner.on(EVENT_SUITE_BEGIN, function (suite) {
	    suite.root || stats.suites++;
	  });
	  runner.on(EVENT_TEST_PASS, function () {
	    stats.passes++;
	  });
	  runner.on(EVENT_TEST_FAIL, function () {
	    stats.failures++;
	  });
	  runner.on(EVENT_TEST_PENDING, function () {
	    stats.pending++;
	  });
	  runner.on(EVENT_TEST_END, function () {
	    stats.tests++;
	  });
	  runner.once(EVENT_RUN_END$1, function () {
	    stats.end = new Date$3();
	    stats.duration = stats.end - stats.start;
	  });
	}

	var statsCollector = createStatsCollector;

	var createInvalidArgumentTypeError$1 = errors.createInvalidArgumentTypeError;
	var isString$1 = utils.isString;
	var MOCHA_ID_PROP_NAME$1 = utils.constants.MOCHA_ID_PROP_NAME;
	var test$1 = Test;
	/**
	 * Initialize a new `Test` with the given `title` and callback `fn`.
	 *
	 * @public
	 * @class
	 * @extends Runnable
	 * @param {String} title - Test title (required)
	 * @param {Function} [fn] - Test callback.  If omitted, the Test is considered "pending"
	 */

	function Test(title, fn) {
	  if (!isString$1(title)) {
	    throw createInvalidArgumentTypeError$1('Test argument "title" should be a string. Received type "' + _typeof(title) + '"', 'title', 'string');
	  }

	  this.type = 'test';
	  runnable.call(this, title, fn);
	  this.reset();
	}
	/**
	 * Inherit from `Runnable.prototype`.
	 */


	utils.inherits(Test, runnable);
	/**
	 * Resets the state initially or for a next run.
	 */

	Test.prototype.reset = function () {
	  runnable.prototype.reset.call(this);
	  this.pending = !this.fn;
	  delete this.state;
	};
	/**
	 * Set or get retried test
	 *
	 * @private
	 */


	Test.prototype.retriedTest = function (n) {
	  if (!arguments.length) {
	    return this._retriedTest;
	  }

	  this._retriedTest = n;
	};
	/**
	 * Add test to the list of tests marked `only`.
	 *
	 * @private
	 */


	Test.prototype.markOnly = function () {
	  this.parent.appendOnlyTest(this);
	};

	Test.prototype.clone = function () {
	  var test = new Test(this.title, this.fn);
	  test.timeout(this.timeout());
	  test.slow(this.slow());
	  test.retries(this.retries());
	  test.currentRetry(this.currentRetry());
	  test.retriedTest(this.retriedTest() || this);
	  test.globals(this.globals());
	  test.parent = this.parent;
	  test.file = this.file;
	  test.ctx = this.ctx;
	  return test;
	};
	/**
	 * Returns an minimal object suitable for transmission over IPC.
	 * Functions are represented by keys beginning with `$$`.
	 * @private
	 * @returns {Object}
	 */


	Test.prototype.serialize = function serialize() {
	  return _defineProperty({
	    $$currentRetry: this._currentRetry,
	    $$fullTitle: this.fullTitle(),
	    $$isPending: this.pending,
	    $$retriedTest: this._retriedTest || null,
	    $$slow: this._slow,
	    $$titlePath: this.titlePath(),
	    body: this.body,
	    duration: this.duration,
	    err: this.err,
	    parent: _defineProperty({
	      $$fullTitle: this.parent.fullTitle()
	    }, MOCHA_ID_PROP_NAME$1, this.parent.id),
	    speed: this.speed,
	    state: this.state,
	    title: this.title,
	    type: this.type,
	    file: this.file
	  }, MOCHA_ID_PROP_NAME$1, this.id);
	};

	/**
	 @module interfaces/common
	*/


	var createMissingArgumentError$1 = errors.createMissingArgumentError;
	var createUnsupportedError$2 = errors.createUnsupportedError;
	var createForbiddenExclusivityError$1 = errors.createForbiddenExclusivityError;
	/**
	 * Functions common to more than one interface.
	 *
	 * @private
	 * @param {Suite[]} suites
	 * @param {Context} context
	 * @param {Mocha} mocha
	 * @return {Object} An object containing common functions.
	 */

	var common$1 = function common(suites, context, mocha) {
	  /**
	   * Check if the suite should be tested.
	   *
	   * @private
	   * @param {Suite} suite - suite to check
	   * @returns {boolean}
	   */
	  function shouldBeTested(suite) {
	    return !mocha.options.grep || mocha.options.grep && mocha.options.grep.test(suite.fullTitle()) && !mocha.options.invert;
	  }

	  return {
	    /**
	     * This is only present if flag --delay is passed into Mocha. It triggers
	     * root suite execution.
	     *
	     * @param {Suite} suite The root suite.
	     * @return {Function} A function which runs the root suite
	     */
	    runWithSuite: function runWithSuite(suite) {
	      return function run() {
	        suite.run();
	      };
	    },

	    /**
	     * Execute before running tests.
	     *
	     * @param {string} name
	     * @param {Function} fn
	     */
	    before: function before(name, fn) {
	      suites[0].beforeAll(name, fn);
	    },

	    /**
	     * Execute after running tests.
	     *
	     * @param {string} name
	     * @param {Function} fn
	     */
	    after: function after(name, fn) {
	      suites[0].afterAll(name, fn);
	    },

	    /**
	     * Execute before each test case.
	     *
	     * @param {string} name
	     * @param {Function} fn
	     */
	    beforeEach: function beforeEach(name, fn) {
	      suites[0].beforeEach(name, fn);
	    },

	    /**
	     * Execute after each test case.
	     *
	     * @param {string} name
	     * @param {Function} fn
	     */
	    afterEach: function afterEach(name, fn) {
	      suites[0].afterEach(name, fn);
	    },
	    suite: {
	      /**
	       * Create an exclusive Suite; convenience function
	       * See docstring for create() below.
	       *
	       * @param {Object} opts
	       * @returns {Suite}
	       */
	      only: function only(opts) {
	        if (mocha.options.forbidOnly) {
	          throw createForbiddenExclusivityError$1(mocha);
	        }

	        opts.isOnly = true;
	        return this.create(opts);
	      },

	      /**
	       * Create a Suite, but skip it; convenience function
	       * See docstring for create() below.
	       *
	       * @param {Object} opts
	       * @returns {Suite}
	       */
	      skip: function skip(opts) {
	        opts.pending = true;
	        return this.create(opts);
	      },

	      /**
	       * Creates a suite.
	       *
	       * @param {Object} opts Options
	       * @param {string} opts.title Title of Suite
	       * @param {Function} [opts.fn] Suite Function (not always applicable)
	       * @param {boolean} [opts.pending] Is Suite pending?
	       * @param {string} [opts.file] Filepath where this Suite resides
	       * @param {boolean} [opts.isOnly] Is Suite exclusive?
	       * @returns {Suite}
	       */
	      create: function create(opts) {
	        var suite$1 = suite.create(suites[0], opts.title);
	        suite$1.pending = Boolean(opts.pending);
	        suite$1.file = opts.file;
	        suites.unshift(suite$1);

	        if (opts.isOnly) {
	          suite$1.markOnly();
	        }

	        if (suite$1.pending && mocha.options.forbidPending && shouldBeTested(suite$1)) {
	          throw createUnsupportedError$2('Pending test forbidden');
	        }

	        if (typeof opts.fn === 'function') {
	          opts.fn.call(suite$1);
	          suites.shift();
	        } else if (typeof opts.fn === 'undefined' && !suite$1.pending) {
	          throw createMissingArgumentError$1('Suite "' + suite$1.fullTitle() + '" was defined but no callback was supplied. ' + 'Supply a callback or explicitly skip the suite.', 'callback', 'function');
	        } else if (!opts.fn && suite$1.pending) {
	          suites.shift();
	        }

	        return suite$1;
	      }
	    },
	    test: {
	      /**
	       * Exclusive test-case.
	       *
	       * @param {Object} mocha
	       * @param {Function} test
	       * @returns {*}
	       */
	      only: function only(mocha, test) {
	        if (mocha.options.forbidOnly) {
	          throw createForbiddenExclusivityError$1(mocha);
	        }

	        test.markOnly();
	        return test;
	      },

	      /**
	       * Pending test case.
	       *
	       * @param {string} title
	       */
	      skip: function skip(title) {
	        context.test(title);
	      }
	    }
	  };
	};

	var EVENT_FILE_PRE_REQUIRE = suite.constants.EVENT_FILE_PRE_REQUIRE;
	/**
	 * BDD-style interface:
	 *
	 *      describe('Array', function() {
	 *        describe('#indexOf()', function() {
	 *          it('should return -1 when not present', function() {
	 *            // ...
	 *          });
	 *
	 *          it('should return the index when present', function() {
	 *            // ...
	 *          });
	 *        });
	 *      });
	 *
	 * @param {Suite} suite Root suite.
	 */

	var bdd = function bddInterface(suite) {
	  var suites = [suite];
	  suite.on(EVENT_FILE_PRE_REQUIRE, function (context, file, mocha) {
	    var common = common$1(suites, context, mocha);
	    context.before = common.before;
	    context.after = common.after;
	    context.beforeEach = common.beforeEach;
	    context.afterEach = common.afterEach;
	    context.run = mocha.options.delay && common.runWithSuite(suite);
	    /**
	     * Describe a "suite" with the given `title`
	     * and callback `fn` containing nested suites
	     * and/or tests.
	     */

	    context.describe = context.context = function (title, fn) {
	      return common.suite.create({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Pending describe.
	     */


	    context.xdescribe = context.xcontext = context.describe.skip = function (title, fn) {
	      return common.suite.skip({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Exclusive suite.
	     */


	    context.describe.only = function (title, fn) {
	      return common.suite.only({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Describe a specification or test-case
	     * with the given `title` and callback `fn`
	     * acting as a thunk.
	     */


	    context.it = context.specify = function (title, fn) {
	      var suite = suites[0];

	      if (suite.isPending()) {
	        fn = null;
	      }

	      var test = new test$1(title, fn);
	      test.file = file;
	      suite.addTest(test);
	      return test;
	    };
	    /**
	     * Exclusive test-case.
	     */


	    context.it.only = function (title, fn) {
	      return common.test.only(mocha, context.it(title, fn));
	    };
	    /**
	     * Pending test case.
	     */


	    context.xit = context.xspecify = context.it.skip = function (title) {
	      return context.it(title);
	    };
	  });
	};

	var description = 'BDD or RSpec style [default]';
	bdd.description = description;

	var EVENT_FILE_PRE_REQUIRE$1 = suite.constants.EVENT_FILE_PRE_REQUIRE;
	/**
	 * TDD-style interface:
	 *
	 *      suite('Array', function() {
	 *        suite('#indexOf()', function() {
	 *          suiteSetup(function() {
	 *
	 *          });
	 *
	 *          test('should return -1 when not present', function() {
	 *
	 *          });
	 *
	 *          test('should return the index when present', function() {
	 *
	 *          });
	 *
	 *          suiteTeardown(function() {
	 *
	 *          });
	 *        });
	 *      });
	 *
	 * @param {Suite} suite Root suite.
	 */

	var tdd = function tdd(suite) {
	  var suites = [suite];
	  suite.on(EVENT_FILE_PRE_REQUIRE$1, function (context, file, mocha) {
	    var common = common$1(suites, context, mocha);
	    context.setup = common.beforeEach;
	    context.teardown = common.afterEach;
	    context.suiteSetup = common.before;
	    context.suiteTeardown = common.after;
	    context.run = mocha.options.delay && common.runWithSuite(suite);
	    /**
	     * Describe a "suite" with the given `title` and callback `fn` containing
	     * nested suites and/or tests.
	     */

	    context.suite = function (title, fn) {
	      return common.suite.create({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Pending suite.
	     */


	    context.suite.skip = function (title, fn) {
	      return common.suite.skip({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Exclusive test-case.
	     */


	    context.suite.only = function (title, fn) {
	      return common.suite.only({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Describe a specification or test-case with the given `title` and
	     * callback `fn` acting as a thunk.
	     */


	    context.test = function (title, fn) {
	      var suite = suites[0];

	      if (suite.isPending()) {
	        fn = null;
	      }

	      var test = new test$1(title, fn);
	      test.file = file;
	      suite.addTest(test);
	      return test;
	    };
	    /**
	     * Exclusive test-case.
	     */


	    context.test.only = function (title, fn) {
	      return common.test.only(mocha, context.test(title, fn));
	    };

	    context.test.skip = common.test.skip;
	  });
	};

	var description$1 = 'traditional "suite"/"test" instead of BDD\'s "describe"/"it"';
	tdd.description = description$1;

	var EVENT_FILE_PRE_REQUIRE$2 = suite.constants.EVENT_FILE_PRE_REQUIRE;
	/**
	 * QUnit-style interface:
	 *
	 *     suite('Array');
	 *
	 *     test('#length', function() {
	 *       var arr = [1,2,3];
	 *       ok(arr.length == 3);
	 *     });
	 *
	 *     test('#indexOf()', function() {
	 *       var arr = [1,2,3];
	 *       ok(arr.indexOf(1) == 0);
	 *       ok(arr.indexOf(2) == 1);
	 *       ok(arr.indexOf(3) == 2);
	 *     });
	 *
	 *     suite('String');
	 *
	 *     test('#length', function() {
	 *       ok('foo'.length == 3);
	 *     });
	 *
	 * @param {Suite} suite Root suite.
	 */

	var qunit = function qUnitInterface(suite) {
	  var suites = [suite];
	  suite.on(EVENT_FILE_PRE_REQUIRE$2, function (context, file, mocha) {
	    var common = common$1(suites, context, mocha);
	    context.before = common.before;
	    context.after = common.after;
	    context.beforeEach = common.beforeEach;
	    context.afterEach = common.afterEach;
	    context.run = mocha.options.delay && common.runWithSuite(suite);
	    /**
	     * Describe a "suite" with the given `title`.
	     */

	    context.suite = function (title) {
	      if (suites.length > 1) {
	        suites.shift();
	      }

	      return common.suite.create({
	        title: title,
	        file: file,
	        fn: false
	      });
	    };
	    /**
	     * Exclusive Suite.
	     */


	    context.suite.only = function (title) {
	      if (suites.length > 1) {
	        suites.shift();
	      }

	      return common.suite.only({
	        title: title,
	        file: file,
	        fn: false
	      });
	    };
	    /**
	     * Describe a specification or test-case
	     * with the given `title` and callback `fn`
	     * acting as a thunk.
	     */


	    context.test = function (title, fn) {
	      var test = new test$1(title, fn);
	      test.file = file;
	      suites[0].addTest(test);
	      return test;
	    };
	    /**
	     * Exclusive test-case.
	     */


	    context.test.only = function (title, fn) {
	      return common.test.only(mocha, context.test(title, fn));
	    };

	    context.test.skip = common.test.skip;
	  });
	};

	var description$2 = 'QUnit style';
	qunit.description = description$2;

	/**
	 * Exports-style (as Node.js module) interface:
	 *
	 *     exports.Array = {
	 *       '#indexOf()': {
	 *         'should return -1 when the value is not present': function() {
	 *
	 *         },
	 *
	 *         'should return the correct index when the value is present': function() {
	 *
	 *         }
	 *       }
	 *     };
	 *
	 * @param {Suite} suite Root suite.
	 */


	var exports$1 = function exports(suite$1) {
	  var suites = [suite$1];
	  suite$1.on(suite.constants.EVENT_FILE_REQUIRE, visit);

	  function visit(obj, file) {
	    var suite$1;

	    for (var key in obj) {
	      if (typeof obj[key] === 'function') {
	        var fn = obj[key];

	        switch (key) {
	          case 'before':
	            suites[0].beforeAll(fn);
	            break;

	          case 'after':
	            suites[0].afterAll(fn);
	            break;

	          case 'beforeEach':
	            suites[0].beforeEach(fn);
	            break;

	          case 'afterEach':
	            suites[0].afterEach(fn);
	            break;

	          default:
	            var test = new test$1(key, fn);
	            test.file = file;
	            suites[0].addTest(test);
	        }
	      } else {
	        suite$1 = suite.create(suites[0], key);
	        suites.unshift(suite$1);
	        visit(obj[key], file);
	        suites.shift();
	      }
	    }
	  }
	};

	var description$3 = 'Node.js module ("exports") style';
	exports$1.description = description$3;

	var bdd$1 = bdd;
	var tdd$1 = tdd;
	var qunit$1 = qunit;
	var exports$2 = exports$1;
	var interfaces = {
	  bdd: bdd$1,
	  tdd: tdd$1,
	  qunit: qunit$1,
	  exports: exports$2
	};

	/**
	 * @module Context
	 */

	/**
	 * Expose `Context`.
	 */

	var context = Context;
	/**
	 * Initialize a new `Context`.
	 *
	 * @private
	 */

	function Context() {}
	/**
	 * Set or get the context `Runnable` to `runnable`.
	 *
	 * @private
	 * @param {Runnable} runnable
	 * @return {Context} context
	 */


	Context.prototype.runnable = function (runnable) {
	  if (!arguments.length) {
	    return this._runnable;
	  }

	  this.test = this._runnable = runnable;
	  return this;
	};
	/**
	 * Set or get test timeout `ms`.
	 *
	 * @private
	 * @param {number} ms
	 * @return {Context} self
	 */


	Context.prototype.timeout = function (ms) {
	  if (!arguments.length) {
	    return this.runnable().timeout();
	  }

	  this.runnable().timeout(ms);
	  return this;
	};
	/**
	 * Set or get test slowness threshold `ms`.
	 *
	 * @private
	 * @param {number} ms
	 * @return {Context} self
	 */


	Context.prototype.slow = function (ms) {
	  if (!arguments.length) {
	    return this.runnable().slow();
	  }

	  this.runnable().slow(ms);
	  return this;
	};
	/**
	 * Mark a test as skipped.
	 *
	 * @private
	 * @throws Pending
	 */


	Context.prototype.skip = function () {
	  this.runnable().skip();
	};
	/**
	 * Set or get a number of allowed retries on failed tests
	 *
	 * @private
	 * @param {number} n
	 * @return {Context} self
	 */


	Context.prototype.retries = function (n) {
	  if (!arguments.length) {
	    return this.runnable().retries();
	  }

	  this.runnable().retries(n);
	  return this;
	};

	var mocharc$2 = getCjsExportFromNamespace(mocharc$1);

	var mocha = createCommonjsModule(function (module, exports) {
	  /*!
	   * mocha
	   * Copyright(c) 2011 TJ Holowaychuk <tj@vision-media.ca>
	   * MIT Licensed
	   */

	  var esmUtils = utils.supportsEsModules(true) ? require$$11 : undefined;
	  var warn = errors.warn,
	      createInvalidReporterError = errors.createInvalidReporterError,
	      createInvalidInterfaceError = errors.createInvalidInterfaceError,
	      createMochaInstanceAlreadyDisposedError = errors.createMochaInstanceAlreadyDisposedError,
	      createMochaInstanceAlreadyRunningError = errors.createMochaInstanceAlreadyRunningError,
	      createUnsupportedError = errors.createUnsupportedError;
	  var _Suite$constants = suite.constants,
	      EVENT_FILE_PRE_REQUIRE = _Suite$constants.EVENT_FILE_PRE_REQUIRE,
	      EVENT_FILE_POST_REQUIRE = _Suite$constants.EVENT_FILE_POST_REQUIRE,
	      EVENT_FILE_REQUIRE = _Suite$constants.EVENT_FILE_REQUIRE;
	  var sQuote = utils.sQuote;
	  var debug = browser$2('mocha:mocha');
	  exports = module.exports = Mocha;
	  /**
	   * A Mocha instance is a finite state machine.
	   * These are the states it can be in.
	   * @private
	   */

	  var mochaStates = utils.defineConstants({
	    /**
	     * Initial state of the mocha instance
	     * @private
	     */
	    INIT: 'init',

	    /**
	     * Mocha instance is running tests
	     * @private
	     */
	    RUNNING: 'running',

	    /**
	     * Mocha instance is done running tests and references to test functions and hooks are cleaned.
	     * You can reset this state by unloading the test files.
	     * @private
	     */
	    REFERENCES_CLEANED: 'referencesCleaned',

	    /**
	     * Mocha instance is disposed and can no longer be used.
	     * @private
	     */
	    DISPOSED: 'disposed'
	  });
	  /**
	   * To require local UIs and reporters when running in node.
	   */

	  if (!utils.isBrowser() && typeof module.paths !== 'undefined') {
	    var cwd = utils.cwd();
	    module.paths.push(cwd, path$1.join(cwd, 'node_modules'));
	  }
	  /**
	   * Expose internals.
	   * @private
	   */


	  exports.utils = utils;
	  exports.interfaces = interfaces;
	  /**
	   * @public
	   * @memberof Mocha
	   */

	  exports.reporters = reporters;
	  exports.Runnable = runnable;
	  exports.Context = context;
	  /**
	   *
	   * @memberof Mocha
	   */

	  exports.Runner = runner$1;
	  exports.Suite = suite;
	  exports.Hook = hook;
	  exports.Test = test$1;
	  var currentContext;

	  exports.afterEach = function () {
	    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
	      args[_key] = arguments[_key];
	    }

	    return (currentContext.afterEach || currentContext.teardown).apply(this, args);
	  };

	  exports.after = function () {
	    for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
	      args[_key2] = arguments[_key2];
	    }

	    return (currentContext.after || currentContext.suiteTeardown).apply(this, args);
	  };

	  exports.beforeEach = function () {
	    for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
	      args[_key3] = arguments[_key3];
	    }

	    return (currentContext.beforeEach || currentContext.setup).apply(this, args);
	  };

	  exports.before = function () {
	    for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
	      args[_key4] = arguments[_key4];
	    }

	    return (currentContext.before || currentContext.suiteSetup).apply(this, args);
	  };

	  exports.describe = function () {
	    for (var _len5 = arguments.length, args = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
	      args[_key5] = arguments[_key5];
	    }

	    return (currentContext.describe || currentContext.suite).apply(this, args);
	  };

	  exports.describe.only = function () {
	    for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
	      args[_key6] = arguments[_key6];
	    }

	    return (currentContext.describe || currentContext.suite).only.apply(this, args);
	  };

	  exports.describe.skip = function () {
	    for (var _len7 = arguments.length, args = new Array(_len7), _key7 = 0; _key7 < _len7; _key7++) {
	      args[_key7] = arguments[_key7];
	    }

	    return (currentContext.describe || currentContext.suite).skip.apply(this, args);
	  };

	  exports.it = function () {
	    for (var _len8 = arguments.length, args = new Array(_len8), _key8 = 0; _key8 < _len8; _key8++) {
	      args[_key8] = arguments[_key8];
	    }

	    return (currentContext.it || currentContext.test).apply(this, args);
	  };

	  exports.it.only = function () {
	    for (var _len9 = arguments.length, args = new Array(_len9), _key9 = 0; _key9 < _len9; _key9++) {
	      args[_key9] = arguments[_key9];
	    }

	    return (currentContext.it || currentContext.test).only.apply(this, args);
	  };

	  exports.it.skip = function () {
	    for (var _len10 = arguments.length, args = new Array(_len10), _key10 = 0; _key10 < _len10; _key10++) {
	      args[_key10] = arguments[_key10];
	    }

	    return (currentContext.it || currentContext.test).skip.apply(this, args);
	  };

	  exports.xdescribe = exports.describe.skip;
	  exports.xit = exports.it.skip;
	  exports.setup = exports.beforeEach;
	  exports.suiteSetup = exports.before;
	  exports.suiteTeardown = exports.after;
	  exports.suite = exports.describe;
	  exports.teardown = exports.afterEach;
	  exports.test = exports.it;

	  exports.run = function () {
	    for (var _len11 = arguments.length, args = new Array(_len11), _key11 = 0; _key11 < _len11; _key11++) {
	      args[_key11] = arguments[_key11];
	    }

	    return currentContext.run.apply(this, args);
	  };
	  /**
	   * Constructs a new Mocha instance with `options`.
	   *
	   * @public
	   * @class Mocha
	   * @param {Object} [options] - Settings object.
	   * @param {boolean} [options.allowUncaught] - Propagate uncaught errors?
	   * @param {boolean} [options.asyncOnly] - Force `done` callback or promise?
	   * @param {boolean} [options.bail] - Bail after first test failure?
	   * @param {boolean} [options.checkLeaks] - Check for global variable leaks?
	   * @param {boolean} [options.color] - Color TTY output from reporter?
	   * @param {boolean} [options.delay] - Delay root suite execution?
	   * @param {boolean} [options.diff] - Show diff on failure?
	   * @param {string} [options.fgrep] - Test filter given string.
	   * @param {boolean} [options.forbidOnly] - Tests marked `only` fail the suite?
	   * @param {boolean} [options.forbidPending] - Pending tests fail the suite?
	   * @param {boolean} [options.fullTrace] - Full stacktrace upon failure?
	   * @param {string[]} [options.global] - Variables expected in global scope.
	   * @param {RegExp|string} [options.grep] - Test filter given regular expression.
	   * @param {boolean} [options.growl] - Enable desktop notifications?
	   * @param {boolean} [options.inlineDiffs] - Display inline diffs?
	   * @param {boolean} [options.invert] - Invert test filter matches?
	   * @param {boolean} [options.noHighlighting] - Disable syntax highlighting?
	   * @param {string|constructor} [options.reporter] - Reporter name or constructor.
	   * @param {Object} [options.reporterOption] - Reporter settings object.
	   * @param {number} [options.retries] - Number of times to retry failed tests.
	   * @param {number} [options.slow] - Slow threshold value.
	   * @param {number|string} [options.timeout] - Timeout threshold value.
	   * @param {string} [options.ui] - Interface name.
	   * @param {boolean} [options.parallel] - Run jobs in parallel.
	   * @param {number} [options.jobs] - Max number of worker processes for parallel runs.
	   * @param {MochaRootHookObject} [options.rootHooks] - Hooks to bootstrap the root suite with.
	   * @param {string[]} [options.require] - Pathname of `rootHooks` plugin for parallel runs.
	   * @param {boolean} [options.isWorker] - Should be `true` if `Mocha` process is running in a worker process.
	   */


	  function Mocha() {
	    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
	    options = _objectSpread2(_objectSpread2({}, mocharc$2), options);
	    this.files = [];
	    this.options = options; // root suite

	    this.suite = new exports.Suite('', new exports.Context(), true);
	    this._cleanReferencesAfterRun = true;
	    this._state = mochaStates.INIT;
	    this.grep(options.grep).fgrep(options.fgrep).ui(options.ui).reporter(options.reporter, options.reporterOption || options.reporterOptions // reporterOptions was previously the only way to specify options to reporter
	    ).slow(options.slow).global(options.global); // this guard exists because Suite#timeout does not consider `undefined` to be valid input

	    if (typeof options.timeout !== 'undefined') {
	      this.timeout(options.timeout === false ? 0 : options.timeout);
	    }

	    if ('retries' in options) {
	      this.retries(options.retries);
	    }

	    ['allowUncaught', 'asyncOnly', 'bail', 'checkLeaks', 'color', 'delay', 'diff', 'forbidOnly', 'forbidPending', 'fullTrace', 'growl', 'inlineDiffs', 'invert'].forEach(function (opt) {
	      if (options[opt]) {
	        this[opt]();
	      }
	    }, this);

	    if (options.rootHooks) {
	      this.rootHooks(options.rootHooks);
	    }
	    /**
	     * The class which we'll instantiate in {@link Mocha#run}.  Defaults to
	     * {@link Runner} in serial mode; changes in parallel mode.
	     * @memberof Mocha
	     * @private
	     */


	    this._runnerClass = exports.Runner;
	    /**
	     * Whether or not to call {@link Mocha#loadFiles} implicitly when calling
	     * {@link Mocha#run}.  If this is `true`, then it's up to the consumer to call
	     * {@link Mocha#loadFiles} _or_ {@link Mocha#loadFilesAsync}.
	     * @private
	     * @memberof Mocha
	     */

	    this._lazyLoadFiles = false;
	    /**
	     * It's useful for a Mocha instance to know if it's running in a worker process.
	     * We could derive this via other means, but it's helpful to have a flag to refer to.
	     * @memberof Mocha
	     * @private
	     */

	    this.isWorker = Boolean(options.isWorker);
	    this.globalSetup(options.globalSetup).globalTeardown(options.globalTeardown).enableGlobalSetup(options.enableGlobalSetup).enableGlobalTeardown(options.enableGlobalTeardown);

	    if (options.parallel && (typeof options.jobs === 'undefined' || options.jobs > 1)) {
	      debug('attempting to enable parallel mode');
	      this.parallelMode(true);
	    }
	  }
	  /**
	   * Enables or disables bailing on the first failure.
	   *
	   * @public
	   * @see [CLI option](../#-bail-b)
	   * @param {boolean} [bail=true] - Whether to bail on first error.
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.bail = function (bail) {
	    this.suite.bail(bail !== false);
	    return this;
	  };
	  /**
	   * @summary
	   * Adds `file` to be loaded for execution.
	   *
	   * @description
	   * Useful for generic setup code that must be included within test suite.
	   *
	   * @public
	   * @see [CLI option](../#-file-filedirectoryglob)
	   * @param {string} file - Pathname of file to be loaded.
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.addFile = function (file) {
	    this.files.push(file);
	    return this;
	  };
	  /**
	   * Sets reporter to `reporter`, defaults to "spec".
	   *
	   * @public
	   * @see [CLI option](../#-reporter-name-r-name)
	   * @see [Reporters](../#reporters)
	   * @param {String|Function} reporterName - Reporter name or constructor.
	   * @param {Object} [reporterOptions] - Options used to configure the reporter.
	   * @returns {Mocha} this
	   * @chainable
	   * @throws {Error} if requested reporter cannot be loaded
	   * @example
	   *
	   * // Use XUnit reporter and direct its output to file
	   * mocha.reporter('xunit', { output: '/path/to/testspec.xunit.xml' });
	   */


	  Mocha.prototype.reporter = function (reporterName, reporterOptions) {
	    if (typeof reporterName === 'function') {
	      this._reporter = reporterName;
	    } else {
	      reporterName = reporterName || 'spec';
	      var reporter; // Try to load a built-in reporter.

	      if (reporters[reporterName]) {
	        reporter = reporters[reporterName];
	      } // Try to load reporters from process.cwd() and node_modules


	      if (!reporter) {
	        try {
	          reporter = commonjsRequire(reporterName);
	        } catch (err) {
	          if (err.code === 'MODULE_NOT_FOUND') {
	            // Try to load reporters from a path (absolute or relative)
	            try {
	              reporter = commonjsRequire(path$1.resolve(utils.cwd(), reporterName));
	            } catch (_err) {
	              _err.code === 'MODULE_NOT_FOUND' ? warn(sQuote(reporterName) + ' reporter not found') : warn(sQuote(reporterName) + ' reporter blew up with error:\n' + err.stack);
	            }
	          } else {
	            warn(sQuote(reporterName) + ' reporter blew up with error:\n' + err.stack);
	          }
	        }
	      }

	      if (!reporter) {
	        throw createInvalidReporterError('invalid reporter ' + sQuote(reporterName), reporterName);
	      }

	      this._reporter = reporter;
	    }

	    this.options.reporterOption = reporterOptions; // alias option name is used in public reporters xunit/tap/progress

	    this.options.reporterOptions = reporterOptions;
	    return this;
	  };
	  /**
	   * Sets test UI `name`, defaults to "bdd".
	   *
	   * @public
	   * @see [CLI option](../#-ui-name-u-name)
	   * @see [Interface DSLs](../#interfaces)
	   * @param {string|Function} [ui=bdd] - Interface name or class.
	   * @returns {Mocha} this
	   * @chainable
	   * @throws {Error} if requested interface cannot be loaded
	   */


	  Mocha.prototype.ui = function (ui) {
	    var bindInterface;

	    if (typeof ui === 'function') {
	      bindInterface = ui;
	    } else {
	      ui = ui || 'bdd';
	      bindInterface = exports.interfaces[ui];

	      if (!bindInterface) {
	        try {
	          bindInterface = commonjsRequire(ui);
	        } catch (err) {
	          throw createInvalidInterfaceError('invalid interface ' + sQuote(ui), ui);
	        }
	      }
	    }

	    bindInterface(this.suite);
	    this.suite.on(EVENT_FILE_PRE_REQUIRE, function (context) {
	      currentContext = context;
	    });
	    return this;
	  };
	  /**
	   * Loads `files` prior to execution. Does not support ES Modules.
	   *
	   * @description
	   * The implementation relies on Node's `require` to execute
	   * the test interface functions and will be subject to its cache.
	   * Supports only CommonJS modules. To load ES modules, use Mocha#loadFilesAsync.
	   *
	   * @private
	   * @see {@link Mocha#addFile}
	   * @see {@link Mocha#run}
	   * @see {@link Mocha#unloadFiles}
	   * @see {@link Mocha#loadFilesAsync}
	   * @param {Function} [fn] - Callback invoked upon completion.
	   */


	  Mocha.prototype.loadFiles = function (fn) {
	    var self = this;
	    var suite = this.suite;
	    this.files.forEach(function (file) {
	      file = path$1.resolve(file);
	      suite.emit(EVENT_FILE_PRE_REQUIRE, commonjsGlobal, file, self);
	      suite.emit(EVENT_FILE_REQUIRE, commonjsRequire(), file, self);
	      suite.emit(EVENT_FILE_POST_REQUIRE, commonjsGlobal, file, self);
	    });
	    fn && fn();
	  };
	  /**
	   * Loads `files` prior to execution. Supports Node ES Modules.
	   *
	   * @description
	   * The implementation relies on Node's `require` and `import` to execute
	   * the test interface functions and will be subject to its cache.
	   * Supports both CJS and ESM modules.
	   *
	   * @public
	   * @see {@link Mocha#addFile}
	   * @see {@link Mocha#run}
	   * @see {@link Mocha#unloadFiles}
	   * @returns {Promise}
	   * @example
	   *
	   * // loads ESM (and CJS) test files asynchronously, then runs root suite
	   * mocha.loadFilesAsync()
	   *   .then(() => mocha.run(failures => process.exitCode = failures ? 1 : 0))
	   *   .catch(() => process.exitCode = 1);
	   */


	  Mocha.prototype.loadFilesAsync = function () {
	    var self = this;
	    var suite = this.suite;
	    this.lazyLoadFiles(true);

	    if (!esmUtils) {
	      return new Promise(function (resolve) {
	        self.loadFiles(resolve);
	      });
	    }

	    return esmUtils.loadFilesAsync(this.files, function (file) {
	      suite.emit(EVENT_FILE_PRE_REQUIRE, commonjsGlobal, file, self);
	    }, function (file, resultModule) {
	      suite.emit(EVENT_FILE_REQUIRE, resultModule, file, self);
	      suite.emit(EVENT_FILE_POST_REQUIRE, commonjsGlobal, file, self);
	    });
	  };
	  /**
	   * Removes a previously loaded file from Node's `require` cache.
	   *
	   * @private
	   * @static
	   * @see {@link Mocha#unloadFiles}
	   * @param {string} file - Pathname of file to be unloaded.
	   */


	  Mocha.unloadFile = function (file) {
	    if (utils.isBrowser()) {
	      throw createUnsupportedError('unloadFile() is only suported in a Node.js environment');
	    }

	    return require$$11.unloadFile(file);
	  };
	  /**
	   * Unloads `files` from Node's `require` cache.
	   *
	   * @description
	   * This allows required files to be "freshly" reloaded, providing the ability
	   * to reuse a Mocha instance programmatically.
	   * Note: does not clear ESM module files from the cache
	   *
	   * <strong>Intended for consumers &mdash; not used internally</strong>
	   *
	   * @public
	   * @see {@link Mocha#run}
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.unloadFiles = function () {
	    if (this._state === mochaStates.DISPOSED) {
	      throw createMochaInstanceAlreadyDisposedError('Mocha instance is already disposed, it cannot be used again.', this._cleanReferencesAfterRun, this);
	    }

	    this.files.forEach(function (file) {
	      Mocha.unloadFile(file);
	    });
	    this._state = mochaStates.INIT;
	    return this;
	  };
	  /**
	   * Sets `grep` filter after escaping RegExp special characters.
	   *
	   * @public
	   * @see {@link Mocha#grep}
	   * @param {string} str - Value to be converted to a regexp.
	   * @returns {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Select tests whose full title begins with `"foo"` followed by a period
	   * mocha.fgrep('foo.');
	   */


	  Mocha.prototype.fgrep = function (str) {
	    if (!str) {
	      return this;
	    }

	    return this.grep(new RegExp(escapeStringRegexp(str)));
	  };
	  /**
	   * @summary
	   * Sets `grep` filter used to select specific tests for execution.
	   *
	   * @description
	   * If `re` is a regexp-like string, it will be converted to regexp.
	   * The regexp is tested against the full title of each test (i.e., the
	   * name of the test preceded by titles of each its ancestral suites).
	   * As such, using an <em>exact-match</em> fixed pattern against the
	   * test name itself will not yield any matches.
	   * <br>
	   * <strong>Previous filter value will be overwritten on each call!</strong>
	   *
	   * @public
	   * @see [CLI option](../#-grep-regexp-g-regexp)
	   * @see {@link Mocha#fgrep}
	   * @see {@link Mocha#invert}
	   * @param {RegExp|String} re - Regular expression used to select tests.
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Select tests whose full title contains `"match"`, ignoring case
	   * mocha.grep(/match/i);
	   * @example
	   *
	   * // Same as above but with regexp-like string argument
	   * mocha.grep('/match/i');
	   * @example
	   *
	   * // ## Anti-example
	   * // Given embedded test `it('only-this-test')`...
	   * mocha.grep('/^only-this-test$/');    // NO! Use `.only()` to do this!
	   */


	  Mocha.prototype.grep = function (re) {
	    if (utils.isString(re)) {
	      // extract args if it's regex-like, i.e: [string, pattern, flag]
	      var arg = re.match(/^\/(.*)\/(g|i|)$|.*/);
	      this.options.grep = new RegExp(arg[1] || arg[0], arg[2]);
	    } else {
	      this.options.grep = re;
	    }

	    return this;
	  };
	  /**
	   * Inverts `grep` matches.
	   *
	   * @public
	   * @see {@link Mocha#grep}
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Select tests whose full title does *not* contain `"match"`, ignoring case
	   * mocha.grep(/match/i).invert();
	   */


	  Mocha.prototype.invert = function () {
	    this.options.invert = true;
	    return this;
	  };
	  /**
	   * Enables or disables checking for global variables leaked while running tests.
	   *
	   * @public
	   * @see [CLI option](../#-check-leaks)
	   * @param {boolean} [checkLeaks=true] - Whether to check for global variable leaks.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.checkLeaks = function (checkLeaks) {
	    this.options.checkLeaks = checkLeaks !== false;
	    return this;
	  };
	  /**
	   * Enables or disables whether or not to dispose after each test run.
	   * Disable this to ensure you can run the test suite multiple times.
	   * If disabled, be sure to dispose mocha when you're done to prevent memory leaks.
	   * @public
	   * @see {@link Mocha#dispose}
	   * @param {boolean} cleanReferencesAfterRun
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.cleanReferencesAfterRun = function (cleanReferencesAfterRun) {
	    this._cleanReferencesAfterRun = cleanReferencesAfterRun !== false;
	    return this;
	  };
	  /**
	   * Manually dispose this mocha instance. Mark this instance as `disposed` and unable to run more tests.
	   * It also removes function references to tests functions and hooks, so variables trapped in closures can be cleaned by the garbage collector.
	   * @public
	   */


	  Mocha.prototype.dispose = function () {
	    if (this._state === mochaStates.RUNNING) {
	      throw createMochaInstanceAlreadyRunningError('Cannot dispose while the mocha instance is still running tests.');
	    }

	    this.unloadFiles();
	    this._previousRunner && this._previousRunner.dispose();
	    this.suite.dispose();
	    this._state = mochaStates.DISPOSED;
	  };
	  /**
	   * Displays full stack trace upon test failure.
	   *
	   * @public
	   * @see [CLI option](../#-full-trace)
	   * @param {boolean} [fullTrace=true] - Whether to print full stacktrace upon failure.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.fullTrace = function (fullTrace) {
	    this.options.fullTrace = fullTrace !== false;
	    return this;
	  };
	  /**
	   * Enables desktop notification support if prerequisite software installed.
	   *
	   * @public
	   * @see [CLI option](../#-growl-g)
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.growl = function () {
	    this.options.growl = this.isGrowlCapable();

	    if (!this.options.growl) {
	      var detail = utils.isBrowser() ? 'notification support not available in this browser...' : 'notification support prerequisites not installed...';
	      console.error(detail + ' cannot enable!');
	    }

	    return this;
	  };
	  /**
	   * @summary
	   * Determines if Growl support seems likely.
	   *
	   * @description
	   * <strong>Not available when run in browser.</strong>
	   *
	   * @private
	   * @see {@link Growl#isCapable}
	   * @see {@link Mocha#growl}
	   * @return {boolean} whether Growl support can be expected
	   */


	  Mocha.prototype.isGrowlCapable = growl.isCapable;
	  /**
	   * Implements desktop notifications using a pseudo-reporter.
	   *
	   * @private
	   * @see {@link Mocha#growl}
	   * @see {@link Growl#notify}
	   * @param {Runner} runner - Runner instance.
	   */

	  Mocha.prototype._growl = growl.notify;
	  /**
	   * Specifies whitelist of variable names to be expected in global scope.
	   *
	   * @public
	   * @see [CLI option](../#-global-variable-name)
	   * @see {@link Mocha#checkLeaks}
	   * @param {String[]|String} global - Accepted global variable name(s).
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Specify variables to be expected in global scope
	   * mocha.global(['jQuery', 'MyLib']);
	   */

	  Mocha.prototype.global = function (global) {
	    this.options.global = (this.options.global || []).concat(global).filter(Boolean).filter(function (elt, idx, arr) {
	      return arr.indexOf(elt) === idx;
	    });
	    return this;
	  }; // for backwards compability, 'globals' is an alias of 'global'


	  Mocha.prototype.globals = Mocha.prototype.global;
	  /**
	   * Enables or disables TTY color output by screen-oriented reporters.
	   *
	   * @public
	   * @see [CLI option](../#-color-c-colors)
	   * @param {boolean} [color=true] - Whether to enable color output.
	   * @return {Mocha} this
	   * @chainable
	   */

	  Mocha.prototype.color = function (color) {
	    this.options.color = color !== false;
	    return this;
	  };
	  /**
	   * Enables or disables reporter to use inline diffs (rather than +/-)
	   * in test failure output.
	   *
	   * @public
	   * @see [CLI option](../#-inline-diffs)
	   * @param {boolean} [inlineDiffs=true] - Whether to use inline diffs.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.inlineDiffs = function (inlineDiffs) {
	    this.options.inlineDiffs = inlineDiffs !== false;
	    return this;
	  };
	  /**
	   * Enables or disables reporter to include diff in test failure output.
	   *
	   * @public
	   * @see [CLI option](../#-diff)
	   * @param {boolean} [diff=true] - Whether to show diff on failure.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.diff = function (diff) {
	    this.options.diff = diff !== false;
	    return this;
	  };
	  /**
	   * @summary
	   * Sets timeout threshold value.
	   *
	   * @description
	   * A string argument can use shorthand (such as "2s") and will be converted.
	   * If the value is `0`, timeouts will be disabled.
	   *
	   * @public
	   * @see [CLI option](../#-timeout-ms-t-ms)
	   * @see [Timeouts](../#timeouts)
	   * @param {number|string} msecs - Timeout threshold value.
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Sets timeout to one second
	   * mocha.timeout(1000);
	   * @example
	   *
	   * // Same as above but using string argument
	   * mocha.timeout('1s');
	   */


	  Mocha.prototype.timeout = function (msecs) {
	    this.suite.timeout(msecs);
	    return this;
	  };
	  /**
	   * Sets the number of times to retry failed tests.
	   *
	   * @public
	   * @see [CLI option](../#-retries-n)
	   * @see [Retry Tests](../#retry-tests)
	   * @param {number} retry - Number of times to retry failed tests.
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Allow any failed test to retry one more time
	   * mocha.retries(1);
	   */


	  Mocha.prototype.retries = function (retry) {
	    this.suite.retries(retry);
	    return this;
	  };
	  /**
	   * Sets slowness threshold value.
	   *
	   * @public
	   * @see [CLI option](../#-slow-ms-s-ms)
	   * @param {number} msecs - Slowness threshold value.
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Sets "slow" threshold to half a second
	   * mocha.slow(500);
	   * @example
	   *
	   * // Same as above but using string argument
	   * mocha.slow('0.5s');
	   */


	  Mocha.prototype.slow = function (msecs) {
	    this.suite.slow(msecs);
	    return this;
	  };
	  /**
	   * Forces all tests to either accept a `done` callback or return a promise.
	   *
	   * @public
	   * @see [CLI option](../#-async-only-a)
	   * @param {boolean} [asyncOnly=true] - Whether to force `done` callback or promise.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.asyncOnly = function (asyncOnly) {
	    this.options.asyncOnly = asyncOnly !== false;
	    return this;
	  };
	  /**
	   * Disables syntax highlighting (in browser).
	   *
	   * @public
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.noHighlighting = function () {
	    this.options.noHighlighting = true;
	    return this;
	  };
	  /**
	   * Enables or disables uncaught errors to propagate.
	   *
	   * @public
	   * @see [CLI option](../#-allow-uncaught)
	   * @param {boolean} [allowUncaught=true] - Whether to propagate uncaught errors.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.allowUncaught = function (allowUncaught) {
	    this.options.allowUncaught = allowUncaught !== false;
	    return this;
	  };
	  /**
	   * @summary
	   * Delays root suite execution.
	   *
	   * @description
	   * Used to perform async operations before any suites are run.
	   *
	   * @public
	   * @see [delayed root suite](../#delayed-root-suite)
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.delay = function delay() {
	    this.options.delay = true;
	    return this;
	  };
	  /**
	   * Causes tests marked `only` to fail the suite.
	   *
	   * @public
	   * @see [CLI option](../#-forbid-only)
	   * @param {boolean} [forbidOnly=true] - Whether tests marked `only` fail the suite.
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.forbidOnly = function (forbidOnly) {
	    this.options.forbidOnly = forbidOnly !== false;
	    return this;
	  };
	  /**
	   * Causes pending tests and tests marked `skip` to fail the suite.
	   *
	   * @public
	   * @see [CLI option](../#-forbid-pending)
	   * @param {boolean} [forbidPending=true] - Whether pending tests fail the suite.
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.forbidPending = function (forbidPending) {
	    this.options.forbidPending = forbidPending !== false;
	    return this;
	  };
	  /**
	   * Throws an error if mocha is in the wrong state to be able to transition to a "running" state.
	   * @private
	   */


	  Mocha.prototype._guardRunningStateTransition = function () {
	    if (this._state === mochaStates.RUNNING) {
	      throw createMochaInstanceAlreadyRunningError('Mocha instance is currently running tests, cannot start a next test run until this one is done', this);
	    }

	    if (this._state === mochaStates.DISPOSED || this._state === mochaStates.REFERENCES_CLEANED) {
	      throw createMochaInstanceAlreadyDisposedError('Mocha instance is already disposed, cannot start a new test run. Please create a new mocha instance. Be sure to set disable `cleanReferencesAfterRun` when you want to reuse the same mocha instance for multiple test runs.', this._cleanReferencesAfterRun, this);
	    }
	  };
	  /**
	   * Mocha version as specified by "package.json".
	   *
	   * @name Mocha#version
	   * @type string
	   * @readonly
	   */


	  Object.defineProperty(Mocha.prototype, 'version', {
	    value: require$$10.version,
	    configurable: false,
	    enumerable: true,
	    writable: false
	  });
	  /**
	   * Callback to be invoked when test execution is complete.
	   *
	   * @private
	   * @callback DoneCB
	   * @param {number} failures - Number of failures that occurred.
	   */

	  /**
	   * Runs root suite and invokes `fn()` when complete.
	   *
	   * @description
	   * To run tests multiple times (or to run tests in files that are
	   * already in the `require` cache), make sure to clear them from
	   * the cache first!
	   *
	   * @public
	   * @see {@link Mocha#unloadFiles}
	   * @see {@link Runner#run}
	   * @param {DoneCB} [fn] - Callback invoked when test execution completed.
	   * @returns {Runner} runner instance
	   * @example
	   *
	   * // exit with non-zero status if there were test failures
	   * mocha.run(failures => process.exitCode = failures ? 1 : 0);
	   */

	  Mocha.prototype.run = function (fn) {
	    var _this = this;

	    this._guardRunningStateTransition();

	    this._state = mochaStates.RUNNING;

	    if (this._previousRunner) {
	      this._previousRunner.dispose();

	      this.suite.reset();
	    }

	    if (this.files.length && !this._lazyLoadFiles) {
	      this.loadFiles();
	    }

	    var suite = this.suite;
	    var options = this.options;
	    options.files = this.files;
	    var runner = new this._runnerClass(suite, {
	      delay: options.delay,
	      cleanReferencesAfterRun: this._cleanReferencesAfterRun
	    });
	    statsCollector(runner);
	    var reporter = new this._reporter(runner, options);
	    runner.checkLeaks = options.checkLeaks === true;
	    runner.fullStackTrace = options.fullTrace;
	    runner.asyncOnly = options.asyncOnly;
	    runner.allowUncaught = options.allowUncaught;
	    runner.forbidOnly = options.forbidOnly;
	    runner.forbidPending = options.forbidPending;

	    if (options.grep) {
	      runner.grep(options.grep, options.invert);
	    }

	    if (options.global) {
	      runner.globals(options.global);
	    }

	    if (options.growl) {
	      this._growl(runner);
	    }

	    if (options.color !== undefined) {
	      exports.reporters.Base.useColors = options.color;
	    }

	    exports.reporters.Base.inlineDiffs = options.inlineDiffs;
	    exports.reporters.Base.hideDiff = !options.diff;

	    var done = function done(failures) {
	      _this._previousRunner = runner;
	      _this._state = _this._cleanReferencesAfterRun ? mochaStates.REFERENCES_CLEANED : mochaStates.INIT;
	      fn = fn || utils.noop;

	      if (typeof reporter.done === 'function') {
	        reporter.done(failures, fn);
	      } else {
	        fn(failures);
	      }
	    };

	    var runAsync = /*#__PURE__*/function () {
	      var _ref = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(runner) {
	        var context, failureCount;
	        return regeneratorRuntime.wrap(function _callee$(_context) {
	          while (1) {
	            switch (_context.prev = _context.next) {
	              case 0:
	                if (!(_this.options.enableGlobalSetup && _this.hasGlobalSetupFixtures())) {
	                  _context.next = 6;
	                  break;
	                }

	                _context.next = 3;
	                return _this.runGlobalSetup(runner);

	              case 3:
	                _context.t0 = _context.sent;
	                _context.next = 7;
	                break;

	              case 6:
	                _context.t0 = {};

	              case 7:
	                context = _context.t0;
	                _context.next = 10;
	                return runner.runAsync({
	                  files: _this.files,
	                  options: options
	                });

	              case 10:
	                failureCount = _context.sent;

	                if (!(_this.options.enableGlobalTeardown && _this.hasGlobalTeardownFixtures())) {
	                  _context.next = 14;
	                  break;
	                }

	                _context.next = 14;
	                return _this.runGlobalTeardown(runner, {
	                  context: context
	                });

	              case 14:
	                return _context.abrupt("return", failureCount);

	              case 15:
	              case "end":
	                return _context.stop();
	            }
	          }
	        }, _callee);
	      }));

	      return function runAsync(_x) {
	        return _ref.apply(this, arguments);
	      };
	    }(); // no "catch" here is intentional. errors coming out of
	    // Runner#run are considered uncaught/unhandled and caught
	    // by the `process` event listeners.
	    // also: returning anything other than `runner` would be a breaking
	    // change


	    runAsync(runner).then(done);
	    return runner;
	  };
	  /**
	   * Assigns hooks to the root suite
	   * @param {MochaRootHookObject} [hooks] - Hooks to assign to root suite
	   * @chainable
	   */


	  Mocha.prototype.rootHooks = function rootHooks() {
	    var _this2 = this;

	    var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
	        _ref2$beforeAll = _ref2.beforeAll,
	        beforeAll = _ref2$beforeAll === void 0 ? [] : _ref2$beforeAll,
	        _ref2$beforeEach = _ref2.beforeEach,
	        beforeEach = _ref2$beforeEach === void 0 ? [] : _ref2$beforeEach,
	        _ref2$afterAll = _ref2.afterAll,
	        afterAll = _ref2$afterAll === void 0 ? [] : _ref2$afterAll,
	        _ref2$afterEach = _ref2.afterEach,
	        afterEach = _ref2$afterEach === void 0 ? [] : _ref2$afterEach;

	    beforeAll = utils.castArray(beforeAll);
	    beforeEach = utils.castArray(beforeEach);
	    afterAll = utils.castArray(afterAll);
	    afterEach = utils.castArray(afterEach);
	    beforeAll.forEach(function (hook) {
	      _this2.suite.beforeAll(hook);
	    });
	    beforeEach.forEach(function (hook) {
	      _this2.suite.beforeEach(hook);
	    });
	    afterAll.forEach(function (hook) {
	      _this2.suite.afterAll(hook);
	    });
	    afterEach.forEach(function (hook) {
	      _this2.suite.afterEach(hook);
	    });
	    return this;
	  };
	  /**
	   * Toggles parallel mode.
	   *
	   * Must be run before calling {@link Mocha#run}. Changes the `Runner` class to
	   * use; also enables lazy file loading if not already done so.
	   *
	   * Warning: when passed `false` and lazy loading has been enabled _via any means_ (including calling `parallelMode(true)`), this method will _not_ disable lazy loading. Lazy loading is a prerequisite for parallel
	   * mode, but parallel mode is _not_ a prerequisite for lazy loading!
	   * @param {boolean} [enable] - If `true`, enable; otherwise disable.
	   * @throws If run in browser
	   * @throws If Mocha not in `INIT` state
	   * @returns {Mocha}
	   * @chainable
	   * @public
	   */


	  Mocha.prototype.parallelMode = function parallelMode() {
	    var enable = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;

	    if (utils.isBrowser()) {
	      throw createUnsupportedError('parallel mode is only supported in Node.js');
	    }

	    var parallel = Boolean(enable);

	    if (parallel === this.options.parallel && this._lazyLoadFiles && this._runnerClass !== exports.Runner) {
	      return this;
	    }

	    if (this._state !== mochaStates.INIT) {
	      throw createUnsupportedError('cannot change parallel mode after having called run()');
	    }

	    this.options.parallel = parallel; // swap Runner class

	    this._runnerClass = parallel ? require$$11 : exports.Runner; // lazyLoadFiles may have been set `true` otherwise (for ESM loading),
	    // so keep `true` if so.

	    return this.lazyLoadFiles(this._lazyLoadFiles || parallel);
	  };
	  /**
	   * Disables implicit call to {@link Mocha#loadFiles} in {@link Mocha#run}. This
	   * setting is used by watch mode, parallel mode, and for loading ESM files.
	   * @todo This should throw if we've already loaded files; such behavior
	   * necessitates adding a new state.
	   * @param {boolean} [enable] - If `true`, disable eager loading of files in
	   * {@link Mocha#run}
	   * @chainable
	   * @public
	   */


	  Mocha.prototype.lazyLoadFiles = function lazyLoadFiles(enable) {
	    this._lazyLoadFiles = enable === true;
	    debug('set lazy load to %s', enable);
	    return this;
	  };
	  /**
	   * Configures one or more global setup fixtures.
	   *
	   * If given no parameters, _unsets_ any previously-set fixtures.
	   * @chainable
	   * @public
	   * @param {MochaGlobalFixture|MochaGlobalFixture[]} [setupFns] - Global setup fixture(s)
	   * @returns {Mocha}
	   */


	  Mocha.prototype.globalSetup = function globalSetup() {
	    var setupFns = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
	    setupFns = utils.castArray(setupFns);
	    this.options.globalSetup = setupFns;
	    debug('configured %d global setup functions', setupFns.length);
	    return this;
	  };
	  /**
	   * Configures one or more global teardown fixtures.
	   *
	   * If given no parameters, _unsets_ any previously-set fixtures.
	   * @chainable
	   * @public
	   * @param {MochaGlobalFixture|MochaGlobalFixture[]} [teardownFns] - Global teardown fixture(s)
	   * @returns {Mocha}
	   */


	  Mocha.prototype.globalTeardown = function globalTeardown() {
	    var teardownFns = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
	    teardownFns = utils.castArray(teardownFns);
	    this.options.globalTeardown = teardownFns;
	    debug('configured %d global teardown functions', teardownFns.length);
	    return this;
	  };
	  /**
	   * Run any global setup fixtures sequentially, if any.
	   *
	   * This is _automatically called_ by {@link Mocha#run} _unless_ the `runGlobalSetup` option is `false`; see {@link Mocha#enableGlobalSetup}.
	   *
	   * The context object this function resolves with should be consumed by {@link Mocha#runGlobalTeardown}.
	   * @param {object} [context] - Context object if already have one
	   * @public
	   * @returns {Promise<object>} Context object
	   */


	  Mocha.prototype.runGlobalSetup = /*#__PURE__*/function () {
	    var _runGlobalSetup = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
	      var context,
	          globalSetup,
	          _args2 = arguments;
	      return regeneratorRuntime.wrap(function _callee2$(_context2) {
	        while (1) {
	          switch (_context2.prev = _context2.next) {
	            case 0:
	              context = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : {};
	              globalSetup = this.options.globalSetup;

	              if (!(globalSetup && globalSetup.length)) {
	                _context2.next = 7;
	                break;
	              }

	              debug('run(): global setup starting');
	              _context2.next = 6;
	              return this._runGlobalFixtures(globalSetup, context);

	            case 6:
	              debug('run(): global setup complete');

	            case 7:
	              return _context2.abrupt("return", context);

	            case 8:
	            case "end":
	              return _context2.stop();
	          }
	        }
	      }, _callee2, this);
	    }));

	    function runGlobalSetup() {
	      return _runGlobalSetup.apply(this, arguments);
	    }

	    return runGlobalSetup;
	  }();
	  /**
	   * Run any global teardown fixtures sequentially, if any.
	   *
	   * This is _automatically called_ by {@link Mocha#run} _unless_ the `runGlobalTeardown` option is `false`; see {@link Mocha#enableGlobalTeardown}.
	   *
	   * Should be called with context object returned by {@link Mocha#runGlobalSetup}, if applicable.
	   * @param {object} [context] - Context object if already have one
	   * @public
	   * @returns {Promise<object>} Context object
	   */


	  Mocha.prototype.runGlobalTeardown = /*#__PURE__*/function () {
	    var _runGlobalTeardown = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3() {
	      var context,
	          globalTeardown,
	          _args3 = arguments;
	      return regeneratorRuntime.wrap(function _callee3$(_context3) {
	        while (1) {
	          switch (_context3.prev = _context3.next) {
	            case 0:
	              context = _args3.length > 0 && _args3[0] !== undefined ? _args3[0] : {};
	              globalTeardown = this.options.globalTeardown;

	              if (!(globalTeardown && globalTeardown.length)) {
	                _context3.next = 6;
	                break;
	              }

	              debug('run(): global teardown starting');
	              _context3.next = 6;
	              return this._runGlobalFixtures(globalTeardown, context);

	            case 6:
	              debug('run(): global teardown complete');
	              return _context3.abrupt("return", context);

	            case 8:
	            case "end":
	              return _context3.stop();
	          }
	        }
	      }, _callee3, this);
	    }));

	    function runGlobalTeardown() {
	      return _runGlobalTeardown.apply(this, arguments);
	    }

	    return runGlobalTeardown;
	  }();
	  /**
	   * Run global fixtures sequentially with context `context`
	   * @private
	   * @param {MochaGlobalFixture[]} [fixtureFns] - Fixtures to run
	   * @param {object} [context] - context object
	   * @returns {Promise<object>} context object
	   */


	  Mocha.prototype._runGlobalFixtures = /*#__PURE__*/function () {
	    var _runGlobalFixtures2 = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee4() {
	      var fixtureFns,
	          context,
	          _iteratorNormalCompletion,
	          _didIteratorError,
	          _iteratorError,
	          _iterator,
	          _step,
	          _value,
	          fixtureFn,
	          _args4 = arguments;

	      return regeneratorRuntime.wrap(function _callee4$(_context4) {
	        while (1) {
	          switch (_context4.prev = _context4.next) {
	            case 0:
	              fixtureFns = _args4.length > 0 && _args4[0] !== undefined ? _args4[0] : [];
	              context = _args4.length > 1 && _args4[1] !== undefined ? _args4[1] : {};
	              _iteratorNormalCompletion = true;
	              _didIteratorError = false;
	              _context4.prev = 4;
	              _iterator = _asyncIterator(fixtureFns);

	            case 6:
	              _context4.next = 8;
	              return _iterator.next();

	            case 8:
	              _step = _context4.sent;
	              _iteratorNormalCompletion = _step.done;
	              _context4.next = 12;
	              return _step.value;

	            case 12:
	              _value = _context4.sent;

	              if (_iteratorNormalCompletion) {
	                _context4.next = 20;
	                break;
	              }

	              fixtureFn = _value;
	              _context4.next = 17;
	              return fixtureFn.call(context);

	            case 17:
	              _iteratorNormalCompletion = true;
	              _context4.next = 6;
	              break;

	            case 20:
	              _context4.next = 26;
	              break;

	            case 22:
	              _context4.prev = 22;
	              _context4.t0 = _context4["catch"](4);
	              _didIteratorError = true;
	              _iteratorError = _context4.t0;

	            case 26:
	              _context4.prev = 26;
	              _context4.prev = 27;

	              if (!(!_iteratorNormalCompletion && _iterator["return"] != null)) {
	                _context4.next = 31;
	                break;
	              }

	              _context4.next = 31;
	              return _iterator["return"]();

	            case 31:
	              _context4.prev = 31;

	              if (!_didIteratorError) {
	                _context4.next = 34;
	                break;
	              }

	              throw _iteratorError;

	            case 34:
	              return _context4.finish(31);

	            case 35:
	              return _context4.finish(26);

	            case 36:
	              return _context4.abrupt("return", context);

	            case 37:
	            case "end":
	              return _context4.stop();
	          }
	        }
	      }, _callee4, null, [[4, 22, 26, 36], [27,, 31, 35]]);
	    }));

	    function _runGlobalFixtures() {
	      return _runGlobalFixtures2.apply(this, arguments);
	    }

	    return _runGlobalFixtures;
	  }();
	  /**
	   * Toggle execution of any global setup fixture(s)
	   *
	   * @chainable
	   * @public
	   * @param {boolean } [enabled=true] - If `false`, do not run global setup fixture
	   * @returns {Mocha}
	   */


	  Mocha.prototype.enableGlobalSetup = function enableGlobalSetup() {
	    var enabled = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
	    this.options.enableGlobalSetup = Boolean(enabled);
	    return this;
	  };
	  /**
	   * Toggle execution of any global teardown fixture(s)
	   *
	   * @chainable
	   * @public
	   * @param {boolean } [enabled=true] - If `false`, do not run global teardown fixture
	   * @returns {Mocha}
	   */


	  Mocha.prototype.enableGlobalTeardown = function enableGlobalTeardown() {
	    var enabled = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
	    this.options.enableGlobalTeardown = Boolean(enabled);
	    return this;
	  };
	  /**
	   * Returns `true` if one or more global setup fixtures have been supplied.
	   * @public
	   * @returns {boolean}
	   */


	  Mocha.prototype.hasGlobalSetupFixtures = function hasGlobalSetupFixtures() {
	    return Boolean(this.options.globalSetup.length);
	  };
	  /**
	   * Returns `true` if one or more global teardown fixtures have been supplied.
	   * @public
	   * @returns {boolean}
	   */


	  Mocha.prototype.hasGlobalTeardownFixtures = function hasGlobalTeardownFixtures() {
	    return Boolean(this.options.globalTeardown.length);
	  };
	  /**
	   * An alternative way to define root hooks that works with parallel runs.
	   * @typedef {Object} MochaRootHookObject
	   * @property {Function|Function[]} [beforeAll] - "Before all" hook(s)
	   * @property {Function|Function[]} [beforeEach] - "Before each" hook(s)
	   * @property {Function|Function[]} [afterAll] - "After all" hook(s)
	   * @property {Function|Function[]} [afterEach] - "After each" hook(s)
	   */

	  /**
	   * An function that returns a {@link MochaRootHookObject}, either sync or async.
	     @callback MochaRootHookFunction
	   * @returns {MochaRootHookObject|Promise<MochaRootHookObject>}
	   */

	  /**
	   * A function that's invoked _once_ which is either sync or async.
	   * Can be a "teardown" or "setup".  These will all share the same context.
	   * @callback MochaGlobalFixture
	   * @returns {void|Promise<void>}
	   */

	  /**
	   * An object making up all necessary parts of a plugin loader and aggregator
	   * @typedef {Object} PluginDefinition
	   * @property {string} exportName - Named export to use
	   * @property {string} [optionName] - Option name for Mocha constructor (use `exportName` if omitted)
	   * @property {PluginValidator} [validate] - Validator function
	   * @property {PluginFinalizer} [finalize] - Finalizer/aggregator function
	   */

	  /**
	   * A (sync) function to assert a user-supplied plugin implementation is valid.
	   *
	   * Defined in a {@link PluginDefinition}.
	  
	   * @callback PluginValidator
	   * @param {*} value - Value to check
	   * @this {PluginDefinition}
	   * @returns {void}
	   */

	  /**
	   * A function to finalize plugins impls of a particular ilk
	   * @callback PluginFinalizer
	   * @param {Array<*>} impls - User-supplied implementations
	   * @returns {Promise<*>|*}
	   */

	});

	/* eslint no-unused-vars: off */

	/* eslint-env commonjs */

	/**
	 * Shim process.stdout.
	 */


	process$1.stdout = browserStdout({
	  label: false
	});
	/**
	 * Create a Mocha instance.
	 *
	 * @return {undefined}
	 */

	var mocha$1 = new mocha({
	  reporter: 'html'
	});
	/**
	 * Save timer references to avoid Sinon interfering (see GH-237).
	 */

	var Date$4 = commonjsGlobal.Date;
	var setTimeout$3 = commonjsGlobal.setTimeout;
	var uncaughtExceptionHandlers = [];
	var originalOnerrorHandler = commonjsGlobal.onerror;
	/**
	 * Remove uncaughtException listener.
	 * Revert to original onerror handler if previously defined.
	 */

	process$1.removeListener = function (e, fn) {
	  if (e === 'uncaughtException') {
	    if (originalOnerrorHandler) {
	      commonjsGlobal.onerror = originalOnerrorHandler;
	    } else {
	      commonjsGlobal.onerror = function () {};
	    }

	    var i = uncaughtExceptionHandlers.indexOf(fn);

	    if (i !== -1) {
	      uncaughtExceptionHandlers.splice(i, 1);
	    }
	  }
	};
	/**
	 * Implements listenerCount for 'uncaughtException'.
	 */


	process$1.listenerCount = function (name) {
	  if (name === 'uncaughtException') {
	    return uncaughtExceptionHandlers.length;
	  }

	  return 0;
	};
	/**
	 * Implements uncaughtException listener.
	 */


	process$1.on = function (e, fn) {
	  if (e === 'uncaughtException') {
	    commonjsGlobal.onerror = function (err, url, line) {
	      fn(new Error(err + ' (' + url + ':' + line + ')'));
	      return !mocha$1.options.allowUncaught;
	    };

	    uncaughtExceptionHandlers.push(fn);
	  }
	};

	process$1.listeners = function (e) {
	  if (e === 'uncaughtException') {
	    return uncaughtExceptionHandlers;
	  }

	  return [];
	}; // The BDD UI is registered by default, but no UI will be functional in the
	// browser without an explicit call to the overridden `mocha.ui` (see below).
	// Ensure that this default UI does not expose its methods to the global scope.


	mocha$1.suite.removeAllListeners('pre-require');
	var immediateQueue = [];
	var immediateTimeout;

	function timeslice() {
	  var immediateStart = new Date$4().getTime();

	  while (immediateQueue.length && new Date$4().getTime() - immediateStart < 100) {
	    immediateQueue.shift()();
	  }

	  if (immediateQueue.length) {
	    immediateTimeout = setTimeout$3(timeslice, 0);
	  } else {
	    immediateTimeout = null;
	  }
	}
	/**
	 * High-performance override of Runner.immediately.
	 */


	mocha.Runner.immediately = function (callback) {
	  immediateQueue.push(callback);

	  if (!immediateTimeout) {
	    immediateTimeout = setTimeout$3(timeslice, 0);
	  }
	};
	/**
	 * Function to allow assertion libraries to throw errors directly into mocha.
	 * This is useful when running tests in a browser because window.onerror will
	 * only receive the 'message' attribute of the Error.
	 */


	mocha$1.throwError = function (err) {
	  uncaughtExceptionHandlers.forEach(function (fn) {
	    fn(err);
	  });
	  throw err;
	};
	/**
	 * Override ui to ensure that the ui functions are initialized.
	 * Normally this would happen in Mocha.prototype.loadFiles.
	 */


	mocha$1.ui = function (ui) {
	  mocha.prototype.ui.call(this, ui);
	  this.suite.emit('pre-require', commonjsGlobal, null, this);
	  return this;
	};
	/**
	 * Setup mocha with the given setting options.
	 */


	mocha$1.setup = function (opts) {
	  if (typeof opts === 'string') {
	    opts = {
	      ui: opts
	    };
	  }

	  if (opts.delay === true) {
	    this.delay();
	  }

	  var self = this;
	  Object.keys(opts).filter(function (opt) {
	    return opt !== 'delay';
	  }).forEach(function (opt) {
	    if (Object.prototype.hasOwnProperty.call(opts, opt)) {
	      self[opt](opts[opt]);
	    }
	  });
	  return this;
	};
	/**
	 * Run mocha, returning the Runner.
	 */


	mocha$1.run = function (fn) {
	  var options = mocha$1.options;
	  mocha$1.globals('location');
	  var query = parseQuery(commonjsGlobal.location.search || '');

	  if (query.grep) {
	    mocha$1.grep(query.grep);
	  }

	  if (query.fgrep) {
	    mocha$1.fgrep(query.fgrep);
	  }

	  if (query.invert) {
	    mocha$1.invert();
	  }

	  return mocha.prototype.run.call(mocha$1, function (err) {
	    // The DOM Document is not available in Web Workers.
	    var document = commonjsGlobal.document;

	    if (document && document.getElementById('mocha') && options.noHighlighting !== true) {
	      highlightTags('code');
	    }

	    if (fn) {
	      fn(err);
	    }
	  });
	};
	/**
	 * Expose the process shim.
	 * https://github.com/mochajs/mocha/pull/916
	 */


	mocha.process = process$1;
	/**
	 * Expose mocha.
	 */

	commonjsGlobal.Mocha = mocha;
	commonjsGlobal.mocha = mocha$1; // this allows test/acceptance/required-tokens.js to pass; thus,
	// you can now do `const describe = require('mocha').describe` in a
	// browser context (assuming browserification).  should fix #880

	var browserEntry = Object.assign(mocha$1, commonjsGlobal);

	return browserEntry;

})));
//# sourceMappingURL=mocha.js.map