[Cache] Enable namespace-based invalidation by prefixing keys with backend-native namespace separators

Author: nicolas-grekas

DependencyInjection/FrameworkExtension.php

@@ -208,6 +208,7 @@
 use Symfony\Component\Yaml\Yaml;
 use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\Cache\CallbackInterface;
+use Symfony\Contracts\Cache\NamespacedPoolInterface;
 use Symfony\Contracts\Cache\TagAwareCacheInterface;
 use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
 use Symfony\Contracts\HttpClient\HttpClientInterface;
@@ -2576,6 +2577,10 @@ private function registerCacheConfiguration(array $config, ContainerBuilder $con
                 $container->registerAliasForArgument($tagAwareId, TagAwareCacheInterface::class, $pool['name'] ?? $name);
                 $container->registerAliasForArgument($name, CacheInterface::class, $pool['name'] ?? $name);
                 $container->registerAliasForArgument($name, CacheItemPoolInterface::class, $pool['name'] ?? $name);
+
+                if (interface_exists(NamespacedPoolInterface::class)) {
+                    $container->registerAliasForArgument($name, NamespacedPoolInterface::class, $pool['name'] ?? $name);
+                }
             }
 
             $definition->setPublic($pool['public']);