code: function parse(method, req, res, options) {
      return new Promise(function(resolve, reject) {
          BodyParser[method](options)(req, res, function(err) {
              if (err) {
                  return reject(err);
              }
  
              return resolve();
          });
      });
  }
docs: /*
  @private
  body parser promise wrapper
  @param {String} method
  @param {Object} options
  @return Promise