'download_added', self::DOWNLOAD_STARTED => 'download_started', self::DOWNLOAD_FINISHED => 'download_finished', self::DOWNLOAD_DELETED => 'download_deleted', self::DOWNLOAD_ERROR => 'download_error', }; } public function message(): string { return match ($this) { self::DOWNLOAD_ADDED => 'A new download has been added.', self::DOWNLOAD_STARTED => 'A download has started.', self::DOWNLOAD_FINISHED => 'A download has finished.', self::DOWNLOAD_DELETED => 'A download has been deleted.', self::DOWNLOAD_ERROR => 'A download has encountered an error.', }; } }