public function store()
    {
        if (empty($cacheFile = $this->cacheFile())) {
            return;
        }
        file_put_contents(
            base_path($cacheFile),
            json_encode($this->all()->toArray(), JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES)
        );
    }