code: private static void streamRequest(Request request, ApiClient client, SocketListener listener) {
      WebSocketCall.create(client.getHttpClient(), request).enqueue(new Listener(listener));
    }
docs: /*
  If we ever upgrade to okhttp 3...
  public static void stream(Call call, ApiClient client, SocketListener listener) {
  streamRequest(call.request(), client, listener);
  }