CachePoolClearerPass example

        $this->addCompilerPassIfExists($container, TranslatorPass::class, PassConfig::TYPE_BEFORE_OPTIMIZATION, -32);
        $this->addCompilerPassIfExists($container, TranslatorPathsPass::class, PassConfig::TYPE_AFTER_REMOVING);
        $container->addCompilerPass(new LoggingTranslatorPass());
        $container->addCompilerPass(new AddExpressionLanguageProvidersPass(false));
        $this->addCompilerPassIfExists($container, TranslationExtractorPass::class);
        $this->addCompilerPassIfExists($container, TranslationDumperPass::class);
        $container->addCompilerPass(new FragmentRendererPass());
        $this->addCompilerPassIfExists($container, SerializerPass::class);
        $this->addCompilerPassIfExists($container, PropertyInfoPass::class);
        $container->addCompilerPass(new ControllerArgumentValueResolverPass());
        $container->addCompilerPass(new CachePoolPass(), PassConfig::TYPE_BEFORE_OPTIMIZATION, 32);
        $container->addCompilerPass(new CachePoolClearerPass(), PassConfig::TYPE_AFTER_REMOVING);
        $container->addCompilerPass(new CachePoolPrunerPass(), PassConfig::TYPE_AFTER_REMOVING);
        $this->addCompilerPassIfExists($container, FormPass::class);
        $container->addCompilerPass(new WorkflowGuardListenerPass());
        $container->addCompilerPass(new ResettableServicePass(), PassConfig::TYPE_BEFORE_OPTIMIZATION, -32);
        $container->addCompilerPass(new RegisterLocaleAwareServicesPass());
        $container->addCompilerPass(new TestServiceContainerWeakRefPass(), PassConfig::TYPE_BEFORE_REMOVING, -32);
        $container->addCompilerPass(new TestServiceContainerRealRefPass(), PassConfig::TYPE_AFTER_REMOVING);
        $this->addCompilerPassIfExists($container, AddMimeTypeGuesserPass::class);
        $this->addCompilerPassIfExists($container, AddScheduleMessengerPass::class);
        $this->addCompilerPassIfExists($container, MessengerPass::class);
        $this->addCompilerPassIfExists($container, HttpClientPass::class);
        

$privatePool = new Definition();
        $privatePool->addArgument('namespace');
        $privatePool->addTag('cache.pool', ['clearer' => 'clearer_alias']);
        $container->setDefinition('private.pool', $privatePool);

        $clearer = new Definition();
        $clearer->setPublic(true);
        $container->setDefinition('clearer', $clearer);
        $container->setAlias('clearer_alias', 'clearer');

        $pass = new RemoveUnusedDefinitionsPass();
        foreach ([new CachePoolPass(), $pass, new CachePoolClearerPass()] as $pass) {
            $pass->process($container);
        }

        $expected = [[
            'public.pool' => new Reference('public.pool'),
            'pool2' => new Reference('public.pool2'),
        ]];
        $this->assertEquals($expected, $clearer->getArguments());
        $this->assertEquals($expected, $globalClearer->getArguments());
    }
}