wiki-grav/plugins/email/vendor/symfony/messenger/Middleware/StackInterface.php

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<?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\Messenger\Middleware;
/**
* @author Nicolas Grekas <p@tchwork.com>
*
* Implementations must be cloneable, and each clone must unstack the stack independently.
*/
interface StackInterface
{
/**
* Returns the next middleware to process a message.
*/
public function next(): MiddlewareInterface;
}