/** * @param int $userId * @param int $groupId * * @return Notification[] */ public function findNotificationsForGroup($userId, $groupId) { /** @var Notification[] $notifications */ $notifications = $this->client->findNotifications($userId, $groupId); $result = []; foreach ($notifications as $notification) { $result[$notification->getFrom()->getId()] = $notification; } return $result; }