diff options
Diffstat (limited to 'lib/public/Activity/IEventMerger.php')
| -rw-r--r-- | lib/public/Activity/IEventMerger.php | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/public/Activity/IEventMerger.php b/lib/public/Activity/IEventMerger.php index d72106b24f7..3b6cc179efa 100644 --- a/lib/public/Activity/IEventMerger.php +++ b/lib/public/Activity/IEventMerger.php @@ -57,5 +57,5 @@ interface IEventMerger { * @return IEvent * @since 11.0 */ - public function mergeEvents($mergeParameter, IEvent $event, IEvent $previousEvent = null); + public function mergeEvents($mergeParameter, IEvent $event, ?IEvent $previousEvent = null); } |