Fix psalm issues

Signed-off-by: Vitor Mattos <vitor@php.rio>

2 files changed, 3 insertions, 5 deletions

diff --git a/lib/Events/CommandEvent.php b/lib/Events/CommandEvent.php
index 7a9e099b5..3c62182bb 100644
--- a/lib/Events/CommandEvent.php
+++ b/lib/Events/CommandEvent.php
@@ -51,7 +51,7 @@ class CommandEvent extends ChatEvent {
 		$this->output = $output;
 	}
 
-	public function getOutput(): string {
+	public function getOutput(): ?string {
 		return $this->output;
 	}
 }
diff --git a/lib/Events/EndCallForEveryoneEvent.php b/lib/Events/EndCallForEveryoneEvent.php
index b960c31a8..9710e0602 100644
--- a/lib/Events/EndCallForEveryoneEvent.php
+++ b/lib/Events/EndCallForEveryoneEvent.php
@@ -48,9 +48,8 @@ class EndCallForEveryoneEvent extends ModifyRoomEvent {
 
 	/**
 	 * Only available in the after-event
-	 * @return string[]
 	 */
-	public function getSessionIds(): array {
+	public function getSessionIds(): ?array {
 		return $this->sessionIds;
 	}
 
@@ -64,9 +63,8 @@ class EndCallForEveryoneEvent extends ModifyRoomEvent {
 
 	/**
 	 * Only available in the after-event
-	 * @return string[]
 	 */
-	public function getUserIds(): array {
+	public function getUserIds(): ?array {
 		return $this->userIds;
 	}
 }