test

My project/Library/PackageCache/com.unity.ugui/Runtime/UGUI/EventSystem/RaycasterManager.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+
+namespace UnityEngine.EventSystems
+{
+    public static class RaycasterManager
+    {
+        private static readonly List<BaseRaycaster> s_Raycasters = new List<BaseRaycaster>();
+
+        internal static void AddRaycaster(BaseRaycaster baseRaycaster)
+        {
+            if (s_Raycasters.Contains(baseRaycaster))
+                return;
+
+            s_Raycasters.Add(baseRaycaster);
+        }
+
+        /// <summary>
+        /// List of BaseRaycasters that has been registered.
+        /// </summary>
+        public static List<BaseRaycaster> GetRaycasters()
+        {
+            return s_Raycasters;
+        }
+
+        internal static void RemoveRaycasters(BaseRaycaster baseRaycaster)
+        {
+            if (!s_Raycasters.Contains(baseRaycaster))
+                return;
+            s_Raycasters.Remove(baseRaycaster);
+        }
+    }
+}