public void removePropertyChangeListener(ScenePropertyChangeListener listener){
  if (listener != null) {
    logger.log(Level.FINE,"Remove property listener {0}",listener);
    listeners.remove(listener);
  }
}

public void removePropertyChangeListener ( ScenePropertyChangeListener listener ) { if ( listener != null ) { logger . log ( Level . FINE , "Remove property listener {0}" , listener ) ; listeners . remove ( listener ) ; } }
removes a scenepropertychangelistener that was listening for changes of this propety .
