public function add($key, $value, $minutes)
    {
        // If the laravel version is 5.8 or higher then convert minutes to seconds.
        if ($this->laravelVersion !== null
            && is_int($minutes)
            && version_compare($this->laravelVersion, '5.8', '>=')
        ) {
            $minutes = $minutes * 60;
        }

        $this->cache()->put($key, $value, $minutes);
    }