public void removePropertyChangeListener(String _propertyName, PropertyChangeListener _listener) { myPropertyChangeSupport.removePropertyChangeListener(_propertyName, _listener);
public void removePropertyChangeListener(PropertyChangeListener _listener) { myPropertyChangeSupport.removePropertyChangeListener(_listener);
  public void removePropertyChangeListener(String _propertyName, PropertyChangeListener _listener) {    myPropertyChangeSupport.removePropertyChangeListener(_propertyName, _listener);  }