code: protected ZuulFilter<HttpRequestMessage, HttpResponseMessage> newProxyEndpoint(HttpRequestMessage zuulRequest) {
          return new ProxyEndpoint(zuulRequest, getChannelHandlerContext(zuulRequest), getNextStage(), MethodBinding.NO_OP_BINDING);
      }
docs: Override to inject your own proxy endpoint implementation
  
  @param zuulRequest - the request message
  @return the proxy endpoint