code: function (methodName, params, execOptions) {
                  var defer = vow.defer();
                  var url = this._basePath + methodName;
                  var data = JSON.stringify(params);
  
                  sendAjaxRequest(url, data, execOptions).then(
                      this._resolvePromise.bind(this, defer),
                      this._rejectPromise.bind(this, defer)
                  );
  
                  return defer.promise();
              }
docs: Executes method immediately.
  
  @param {String} methodName Method name.
  @param {Object} params Data should be sent to the method.
  @param {Object} execOptions Exec-specific options.
  @returns {vow.Promise}