docs: public static ServerConnector createSocketConnector(Server server, String host, int port) {
          Assert.notNull(server, "'server' must not be null");
          Assert.notNull(host, "'host' must not be null");
  
          HttpConnectionFactory httpConnectionFactory = createHttpConnectionFactory();
          ServerConnector connector = new ServerConnector(server, httpConnectionFactory);
          initializeConnector(connector, host, port);
          return connector;
      }