public void addConnectionNotificationListener(
     NotificationListener listener, NotificationFilter filter, Object handback) {
   connectionNotifier.addNotificationListener(listener, filter, handback);
 }
 /** MBeanNotification support - delegates to broadcaster. */
 public void addNotificationListener(
     NotificationListener listener, NotificationFilter filter, Object handback)
     throws IllegalArgumentException {
   broadcaster.addNotificationListener(listener, filter, handback);
 }