UnityEditor.CollabHistoryWindow.CloseHistoryWindows C# (CSharp) Method

        private static void CloseHistoryWindows()
        {
            CollabHistoryWindow[] windowArray = Resources.FindObjectsOfTypeAll(typeof(CollabHistoryWindow)) as CollabHistoryWindow[];
            if (windowArray != null)
            {
                foreach (CollabHistoryWindow window in windowArray)
                {
                    window.Close();
                }
            }
        }

 public void OnCollabStateChanged(CollabInfo info)
 {
     if (!CollabAccess.Instance.IsServiceEnabled())
     {
         CollabHistoryWindow.CloseHistoryWindows();
     }
 }