cacheStorage = $cacheStorage; } /** * @param CacheKey::* $variableKey * @return mixed|null */ public function load(string $key, string $variableKey) { return $this->cacheStorage->load($key, $variableKey); } /** * @param CacheKey::* $variableKey * @param mixed $data */ public function save(string $key, string $variableKey, $data) : void { $this->cacheStorage->save($key, $variableKey, $data); } public function clear() : void { $this->cacheStorage->clear(); } public function clean(string $cacheKey) : void { $this->cacheStorage->clean($cacheKey); } }