Assets/MPUIKit/Editor/Scripts/EditorGUILayoutExtended.cs

#if UNITY_6000_0_OR_NEWER
  private static readonly PropertyInfo recycledEditorInfo = editorGUIType.GetProperty("s_RecycledEditor", BindingFlags.NonPublic | BindingFlags.Static);
#else
  private static readonly FieldInfo recycledEditorInfo =
   typeof(EditorGUI).GetField("s_RecycledEditor", BindingFlags.NonPublic | BindingFlags.Static);
#endif

  private static readonly object recycledEditor = recycledEditorInfo.GetValue(null);