* @ingroup Watchlist
*/
use MediaWiki\Linker\LinkTarget;
+use Wikimedia\Rdbms\DBUnexpectedError;
/**
* @author Addshore
* @since 1.31
*
* @param User $user
- * @param int $unreadLimit
+ * @param int|null $unreadLimit
*
* @return int|bool The number of unread notifications
* true if greater than or equal to $unreadLimit