public function flushGroupsCommand(array $groups)
    {
        try {
            $this->cacheService->flushGroups($groups);
            $this->outputLine('Flushed all caches for group(s): "' . implode('","', $groups) . '".');
        } catch (NoSuchCacheGroupException $e) {
            $this->outputLine($e->getMessage());
            $this->quit(1);
        }
    }