code: @Override
    public void doPushNotificationAnswerEvent(ServerShSession session, PushNotificationRequest request, PushNotificationAnswer answer)
        throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
      // TODO Auto-generated method stub
    }
docs: /*
  (non-Javadoc)
  
  @see
  org.jdiameter.api.sh.ServerShSessionListener#doPushNotificationAnswerEvent
  (org.jdiameter.api.sh.ServerShSession,
  org.jdiameter.api.sh.events.PushNotificationRequest,
  org.jdiameter.api.sh.events.PushNotificationAnswer)