vendor/symfony/notifier/Channel/AbstractChannel.php line 26
<?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\Notifier\Channel;use Symfony\Component\Messenger\MessageBusInterface;use Symfony\Component\Notifier\Exception\LogicException;use Symfony\Component\Notifier\Transport\TransportInterface;/*** @author Fabien Potencier <fabien@symfony.com>*/abstract class AbstractChannel implements ChannelInterface{protected $transport;protected $bus;public function __construct(TransportInterface $transport = null, MessageBusInterface $bus = null){if (null === $transport && null === $bus) {throw new LogicException(sprintf('"%s" needs a Transport or a Bus but both cannot be "null".', static::class));}$this->transport = $transport;$this->bus = $bus;}}