* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Validator\Constraints; use Symfony\Component\Validator\Constraint; /** * @Annotation * * @author Antonio J. GarcĂ­a Lagar */ class Issn extends Constraint { public $message = 'This value is not a valid ISSN.'; public $caseSensitive = false; public $requireHyphen = false; }