private void HandleUnusedNode(InvalidNodeEventArgs args)
 {
     if (InvalidNodeEventHandler != null)
         InvalidNodeEventHandler(args);
 }
		public void OnInvalidNode(InvalidNodeEventArgs args)
		{
			InvalidNode(args);
		}
		private void NullHandler(InvalidNodeEventArgs args)
		{}
 private void WarnOnInvalidNode(InvalidNodeEventArgs args)
 {
     Log.Warning(args.Message);
 }