code: public void fireChangeEvent() {
      ChangeEvent event = createChangeEvent(getSource());
  
      for (ChangeListener listener : this) {
        listener.stateChanged(event);
      }
    }
docs: Fires a ChangeEvent for the source Object notifying each registered ChangeListener of the change.
  
  @see org.cp.elements.beans.event.ChangeEvent
  @see org.cp.elements.beans.event.ChangeListener
  @see #iterator()