UnityEditor.HierarchyProperty.ClearSceneObjectsFilter C# (CSharp) Method

        public static extern void ClearSceneObjectsFilter();
        [MethodImpl(MethodImplOptions.InternalCall)]

 private void DisableFocus()
 {
     if (TilemapEditorUserSettings.focusMode != TilemapEditorUserSettings.FocusMode.None)
     {
         HierarchyProperty.ClearSceneObjectsFilter();
         if (SceneView.lastActiveSceneView != null)
         {
             SceneView.lastActiveSceneView.SetSceneViewFiltering(false);
         }
     }
 }