protected function mapString(Field $field, \stdClass $rootObject, $path = null)
    {
        return $this->mapUsingFormat($field, $rootObject, $path);
    }
protected function mapString(Field $field, \stdClass $rootObject, $path = null)
    {
        return $this->mapUsingFormat($field, $rootObject, $path);
    }
@param Field     $field
@param \stdClass $rootObject
@param string    $path

@return array