public function make(string $title = null, string $text = null): Notification
    {
        if (self::$newNotificationCache === null) {
            self::$newNotificationCache = new Notification();
        }
        $notification = clone(self::$newNotificationCache);
        if ($title !== null) {
            $notification->title = $title;
        }
        if ($text !== null) {
            $notification->text = $text;
        }
        return $notification;
    }