public function clear($key)
    {
        $this->checkKey($key, __METHOD__);
        $cacheKey = $this->getCacheKeyFromKey($key);
        $this->promiseCache->clear($cacheKey);

        return $this;
    }
public function clear($key)
    {
        $this->checkKey($key, __METHOD__);
        $cacheKey = $this->getCacheKeyFromKey($key);
        $this->promiseCache->clear($cacheKey);

        return $this;
    }
public function clear ( $ key ) { $ this -> checkKey ( $ key , __METHOD__ ) ; $ cacheKey = $ this -> getCacheKeyFromKey ( $ key ) ; $ this -> promiseCache -> clear ( $ cacheKey ) ; return $ this ; }
{@inheritdoc}
{