private void HandleStageFinished(object sender, StageCallbackEventArgs e)
 {
     StageChanged?.Invoke();
 }
 /// <summary>
 /// Raises the OnStageLoaded event
 /// </summary>
 /// <param name="sender">Object that raises the event</param>
 /// <param name="args">Event args</param>
 protected virtual void StageFinished(object sender, StageCallbackEventArgs args)
 {
     OnStageFinished?.Invoke(sender, args);
 }