1 files changed, 4 insertions, 4 deletions
diff --git a/apps/dav/lib/AppInfo/Application.php b/apps/dav/lib/AppInfo/Application.php
index f1bf77c3285..9bc95124c22 100644
--- a/apps/dav/lib/AppInfo/Application.php
+++ b/apps/dav/lib/AppInfo/Application.php
@@ -143,7 +143,7 @@ class Application extends App implements IBootstrap {
 			}
 		});
 
-		$birthdayListener = function ($event) use ($container) {
+		$birthdayListener = function ($event) use ($container): void {
 			if ($event instanceof GenericEvent) {
 				/** @var BirthdayService $b */
 				$b = $container->query(BirthdayService::class);
@@ -168,7 +168,7 @@ class Application extends App implements IBootstrap {
 			}
 		});
 
-		$clearPhotoCache = function ($event) use ($container) {
+		$clearPhotoCache = function ($event) use ($container): void {
 			if ($event instanceof GenericEvent) {
 				/** @var PhotoCache $p */
 				$p = $container->query(PhotoCache::class);
@@ -240,7 +240,7 @@ class Application extends App implements IBootstrap {
 			);
 		});
 
-		$listener = function (GenericEvent $event, $eventName) use ($container) {
+		$listener = function (GenericEvent $event, $eventName) use ($container): void {
 			/** @var Backend $backend */
 			$backend = $container->query(Backend::class);
 
@@ -336,7 +336,7 @@ class Application extends App implements IBootstrap {
 			}
 		);
 
-		$eventHandler = function () use ($container, $serverContainer) {
+		$eventHandler = function () use ($container, $serverContainer): void {
 			try {
 				/** @var UpdateCalendarResourcesRoomsBackgroundJob $job */
 				$job = $container->query(UpdateCalendarResourcesRoomsBackgroundJob::class);