apply rector rules

src/Bundle/ChillMainBundle/Security/RoleProvider.php

@@ -19,17 +19,15 @@ class RoleProvider
     /**
      * @var ProvideRoleInterface[]
      */
-    private $providers = [];
+    private array $providers = [];
 
     /**
      * an array where keys are the role, and value is the title
      * for the given role.
      *
      * Null when not initialized.
-     *
-     * @var array|null
      */
-    private $rolesTitlesCache;
+    private ?array $rolesTitlesCache = null;
 
     /**
      * Add a role provider.