--- /dev/null
+<?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\Config\DependencyInjection;
+
+@trigger_error(sprintf('The %s class is deprecated since Symfony 3.4 and will be removed in 4.0. Use tagged iterator arguments instead.', ConfigCachePass::class), E_USER_DEPRECATED);
+
+use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\Compiler\PriorityTaggedServiceTrait;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * Adds services tagged config_cache.resource_checker to the config_cache_factory service, ordering them by priority.
+ *
+ * @author Matthias Pigulla <mp@webfactory.de>
+ * @author Benjamin Klotz <bk@webfactory.de>
+ *
+ * @deprecated since version 3.4, to be removed in 4.0. Use tagged iterator arguments instead.
+ */
+class ConfigCachePass implements CompilerPassInterface
+{
+ use PriorityTaggedServiceTrait;
+
+ private $factoryServiceId;
+ private $resourceCheckerTag;
+
+ public function __construct($factoryServiceId = 'config_cache_factory', $resourceCheckerTag = 'config_cache.resource_checker')
+ {
+ $this->factoryServiceId = $factoryServiceId;
+ $this->resourceCheckerTag = $resourceCheckerTag;
+ }
+
+ public function process(ContainerBuilder $container)
+ {
+ $resourceCheckers = $this->findAndSortTaggedServices($this->resourceCheckerTag, $container);
+
+ if (empty($resourceCheckers)) {
+ return;
+ }
+
+ $container->getDefinition($this->factoryServiceId)->replaceArgument(0, new IteratorArgument($resourceCheckers));
+ }
+}