docs: private boolean notifyListenerRequestSend(HttpMessage httpMessage) {
  		ProxyListener listener = null;
  		List<ProxyListener> listenerList = parentServer.getListenerList();
  		for (int i=0;i<listenerList.size();i++) {
  			listener = listenerList.get(i);
  			try {
  			    if (! listener.onHttpRequestSend(httpMessage)) {
  			    	return false;
  			    }
  			} catch (Exception e) {
  				log.error("An error occurred while notifying listener:", e);
  			}
  		}
  		return true;
  	}