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projects/priceservice/vendor/symfony/messenger/Handler/MessageSubscriberInterface.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\Handler;
+
+use Symfony\Component\Messenger\Attribute\AsMessageHandler;
+
+/**
+ * Handlers can implement this interface to handle multiple messages.
+ *
+ * @author Samuel Roze <samuel.roze@gmail.com>
+ *
+ * @deprecated since Symfony 6.2, use the {@see AsMessageHandler} attribute instead
+ */
+interface MessageSubscriberInterface extends MessageHandlerInterface
+{
+    /**
+     * Returns a list of messages to be handled.
+     *
+     * It returns a list of messages like in the following example:
+     *
+     *     yield MyMessage::class;
+     *
+     * It can also change the priority per classes.
+     *
+     *     yield FirstMessage::class => ['priority' => 0];
+     *     yield SecondMessage::class => ['priority' => -10];
+     *
+     * It can also specify a method, a priority, a bus and/or a transport per message:
+     *
+     *     yield FirstMessage::class => ['method' => 'firstMessageMethod'];
+     *     yield SecondMessage::class => [
+     *         'method' => 'secondMessageMethod',
+     *         'priority' => 20,
+     *         'bus' => 'my_bus_name',
+     *         'from_transport' => 'your_transport_name',
+     *     ];
+     *
+     * The benefit of using `yield` instead of returning an array is that you can `yield` multiple times the
+     * same key and therefore subscribe to the same message multiple times with different options.
+     *
+     * The `__invoke` method of the handler will be called as usual with the message to handle.
+     */
+    public static function getHandledMessages(): iterable;
+}