code: function (param) {
              try {
                  return {
                      result : ariaCoreJsonValidator.normalize(param, true),
                      message : null
                  };
              } catch (e) {
                  return this._processJsonValidatorError(e);
              }
          }
docs: Calls aria.core.JsonValidator.normalize with the given parameter and returns an object with two properties:
  'result' (a boolean equal to true if the normalization was successful) and 'message' (string containing an
  error message, or null if no error message is available).
  @param {Object} param parameter for aria.core.JsonValidator.normalize
  @return {Object}