code: @Override
    public void doRfAccountingRequestEvent(ServerRfSession appSession, RfAccountingRequest acr)
        throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
      logger.info("Diameter Base RfSessionFactory :: doAccRequestEvent :: appSession[" + appSession + "], Request[" + acr + "]");
    }
docs: ///////////////////