* @author Rob Church <robchur@gmail.com>
*/
-use Wikimedia\Rdbms\ResultWrapper;
+use Wikimedia\Rdbms\IResultWrapper;
use Wikimedia\Rdbms\IDatabase;
/**
* Cache page existence for performance
*
* @param IDatabase $db
- * @param ResultWrapper $res
+ * @param IResultWrapper $res
*/
function preprocessResults( $db, $res ) {
if ( !$res->numRows() ) {