code: function stop(options, callback) {
    const args = utils.getArgs(options, [config], callback);
    const url = `http://${args.options.ip}:${args.options.port}/stop`;
  
    return request.get(url, function(err) {
      if (err && err.code !== "ECONNREFUSED") {
        return args.callback(err);
      }
      return args.callback(null);
    });
  }
docs: Stop server
  
  @param {Object} [options]
  @param {Function} [callback]