this(url, new HttpHeaders());
}
public JsonRpcClientHttp(String url, HttpHeaders headers) {
this.url = url;
this.rs = new HttpResponseSender();
this.rsHelper = new JsonRpcRequestSenderHelper() {
@Override
public <P, R> Response<R> internalSendRequest(Request<P> request,
Class<R> resultClass) throws IOException {
return internalSendRequestHttp(request, resultClass);