name : AlternativePart.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Mime\Part\Multipart; use Symfony\Component\Mime\Part\AbstractMultipartPart; /** * @author Fabien Potencier <fabien@symfony.com> */ final class AlternativePart extends AbstractMultipartPart { public function getMediaSubtype(): string { return 'alternative'; } }