[TOOLS] Continue raising PHPStan level to 6

components/FreeNetwork/FreeNetwork.php

@@ -244,6 +244,8 @@ class FreeNetwork extends Component
 
     /**
      * Add a link header for LRDD Discovery
+     *
+     * @param mixed $action
      */
     public function onStartShowHTML($action): EventResult
     {
@@ -344,6 +346,7 @@ class FreeNetwork extends Component
      * @param string $preMention Character(s) that signals a mention ('@', '!'...)
      *
      * @return array the matching URLs (without @ or acct:) and each respective position in the given string
+     *
      * @example.com/mublog/user
      */
     public static function extractUrlMentions(string $text, string $preMention = '@'): array
@@ -375,6 +378,7 @@ class FreeNetwork extends Component
      * @param $mentions
      *
      * @return bool hook return value
+     *
      * @example.com/mublog/user
      */
     public function onEndFindMentions(Actor $sender, string $text, array &$mentions): EventResult
@@ -496,6 +500,9 @@ class FreeNetwork extends Component
         return Event::next;
     }
 
+    /**
+     * @param Actor[] $targets
+     */
     public static function notify(Actor $sender, Activity $activity, array $targets, ?string $reason = null): bool
     {
         foreach (self::$protocols as $protocol) {
@@ -517,6 +524,9 @@ class FreeNetwork extends Component
     /**
      * Add fediverse: query expression
      * // TODO: adding WebFinger would probably be nice
+     *
+     * @param mixed $note_expr
+     * @param mixed $actor_expr
      */
     public function onCollectionQueryCreateExpression(ExpressionBuilder $eb, string $term, ?string $locale, ?Actor $actor, &$note_expr, &$actor_expr): EventResult
     {