docs: public static WebsocketClientTransport create(HttpClient client, String path) {
      Objects.requireNonNull(client, "client must not be null");
      Objects.requireNonNull(path, "path must not be null");
  
      path = path.startsWith(DEFAULT_PATH) ? path : (DEFAULT_PATH + path);
  
      return new WebsocketClientTransport(client, path);
    }