Update AppManager.php

Author: francislavoie

src/Apps/AppManager.php

@@ -14,23 +14,23 @@ public function all(): array;
     /**
      * Get app by id.
      *
-     * @param  mixed  $appId
+     * @param  int  $appId
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findById($appId): ?App;
 
     /**
      * Get app by app key.
      *
-     * @param  mixed  $appKey
+     * @param  string  $appKey
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findByKey($appKey): ?App;
 
     /**
      * Get app by secret.
      *
-     * @param  mixed  $appSecret
+     * @param  string  $appSecret
      * @return \BeyondCode\LaravelWebSockets\Apps\App|null
      */
     public function findBySecret($appSecret): ?App;