code: @Override
  	public String getMessageToClient(String mfc) {
  		HttpSession httpSession = iRSEndpoint.getHttpSession();
  		String httpid = httpSession.getId();
  		boolean monitored = monitorSessionManager.isMonitored(httpid);
  		long t0 = 0;
  		if(monitored) {
  			t0 = System.currentTimeMillis();
  		}
  		String mtc = iRSEndpoint.getMessageToClient(mfc);
  		if(monitored) {
  			long t1 = System.currentTimeMillis();
  			publish("request-event-"+httpid, mfc, mtc, t1 - t0);
  		}
  		return mtc;
  	}
docs: Decorate method
  
  @param mfc
  @return