HttpCacheItemWrittenEvent example

        }

        $item = CacheCompressor::compress($item, $cacheResponse);
        $item->expiresAt($cacheResponse->getExpires());

        $item->tag($tags);

        $this->cache->save($item);

        $this->eventDispatcher->dispatch(
            new HttpCacheItemWrittenEvent($item, $tags, $request, $response)
        );

        return $key;
    }

    public function invalidate(Request $request): void
    {
        // @see https://github.com/symfony/symfony/issues/48301     }

    /** * Cleanups storage. */