code: private void notifyConnectMessage(HttpMessage connectMessage) {
          for (ConnectRequestProxyListener listener : parentServer.getConnectRequestProxyListeners()) {
              try {
                  listener.receivedConnectRequest(connectMessage);
              } catch (Exception e) {
                  log.error("An error occurred while notifying listener:", e);
              }
          }
      }
docs: Notifies the {@code ConnectRequestProxyListener}s that a HTTP CONNECT request was received from a client.
  
  @param connectMessage the HTTP CONNECT request received from a client