protected function validator() { return parent::validator()->in(['car', 'bike']); }
public function serialize(AbstractSingleValue $object) { return $object->value(); }
protected function validator() { return parent::validator()->Date()->length(11, null); }
protected function validator() { return parent::validator()->regex('/([a-f\\d]{8}(-[a-f\\d]{4}){3}-[a-f\\d]{12}?)/i'); }