code: function queryTransport(transport, next) {
          if (options.query) {
              options.query = transport.formatQuery(query);
          }
  
          transport.query(options, function (err, results) {
              if (err) {
                  return next(err);
              }
  
              next(null, transport.formatResults(results, options.format));
          });
      }
docs: Helper function to query a single transport