CacheCollectorPass example

$this->addCompilerPassIfExists($container, MessengerPass::class);
        $this->addCompilerPassIfExists($container, HttpClientPass::class);
        $this->addCompilerPassIfExists($container, AddAutoMappingConfigurationPass::class);
        $container->addCompilerPass(new RegisterReverseContainerPass(true));
        $container->addCompilerPass(new RegisterReverseContainerPass(false), PassConfig::TYPE_AFTER_REMOVING);
        $container->addCompilerPass(new RemoveUnusedSessionMarshallingHandlerPass());

        if ($container->getParameter('kernel.debug')) {
            $container->addCompilerPass(new AddDebugLogProcessorPass(), PassConfig::TYPE_BEFORE_OPTIMIZATION, 2);
            $container->addCompilerPass(new UnusedTagsPass(), PassConfig::TYPE_AFTER_REMOVING);
            $container->addCompilerPass(new ContainerBuilderDebugDumpPass(), PassConfig::TYPE_BEFORE_REMOVING, -255);
            $container->addCompilerPass(new CacheCollectorPass(), PassConfig::TYPE_BEFORE_REMOVING);
        }
    }

    private function addCompilerPassIfExists(ContainerBuilder $container, string $class, string $type = PassConfig::TYPE_BEFORE_OPTIMIZATION, int $priority = 0): void
    {
        $container->addResource(new ClassExistenceResource($class));

        if (class_exists($class)) {
            $container->addCompilerPass(new $class(), $type, $priority);
        }
    }
}

->addArgument(new Reference('fs'))
            ->addTag('cache.pool');

        $container
            ->register('.php.inner', PhpArrayAdapter::class)
            ->addTag('cache.pool', ['name' => 'php']);
        $container
            ->register('php', TagAwareAdapter::class)
            ->addArgument(new Reference('.php.inner'));

        $collector = $container->register('data_collector.cache', CacheDataCollector::class);
        (new CacheCollectorPass())->process($container);

        $this->assertEquals([
            ['addInstance', ['fs', new Reference('fs')]],
            ['addInstance', ['tagged_fs', new Reference('tagged_fs')]],
            ['addInstance', ['php', new Reference('.php.inner')]],
        ], $collector->getMethodCalls());

        $this->assertSame(TraceableAdapter::class, $container->findDefinition('fs')->getClass());
        $this->assertSame(TraceableTagAwareAdapter::class, $container->getDefinition('tagged_fs')->getClass());

        $this->assertSame(TraceableAdapter::class, $container->findDefinition('.php.inner')->getClass());