[ActivityPub] Implement Failed Queue

lib/queue/queuehandler.php

@@ -44,7 +44,7 @@ class QueueHandler
      * and the item is placed back in the queue to be re-run.
      *
      * @param mixed $object
-     * @return boolean true on success, false on failure
+     * @return bool true on success, false on failure
      */
     function handle($object) : bool
     {

lib/queue/queuemanager.php

@@ -111,7 +111,7 @@ abstract class QueueManager extends IoManager
      *
      * Must be implemented by any queue manager.
      *
-     * @param Notice $object
+     * @param mixed $object
      * @param string $queue
      */
     abstract function enqueue($object, $queue);