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node_modules/@babel/runtime/helpers/esm/classExtractFieldDescriptor.js

@@ -0,0 +1,7 @@
+export default function _classExtractFieldDescriptor(receiver, privateMap, action) {
+  if (!privateMap.has(receiver)) {
+    throw new TypeError("attempted to " + action + " private field on non-instance");
+  }
+
+  return privateMap.get(receiver);
+}