/// <summary>
 /// Should really pass schema info with the event.
 /// </summary>
 private static void OnUserSchemaRemoved()
 {
     UserSchemaRemoved?.Invoke(manager, new EventArgs());
 }
 // FIXME: Should really pass schema info with the event.
 static void OnUserSchemaRemoved()
 {
     UserSchemaRemoved?.Invoke(null, EventArgs.Empty);
 }