Add types to public and protected properties

Author: nicolas-grekas

Role/RoleHierarchy.php

@@ -18,9 +18,10 @@
  */
 class RoleHierarchy implements RoleHierarchyInterface
 {
-    private array $hierarchy;
     /** @var array<string, list<string>> */
-    protected $map;
+    protected array $map;
+
+    private array $hierarchy;
 
     /**
      * @param array<string, list<string>> $hierarchy

Validator/Constraints/UserPassword.php

@@ -22,8 +22,8 @@ class UserPassword extends Constraint
         self::INVALID_PASSWORD_ERROR => 'INVALID_PASSWORD_ERROR',
     ];
 
-    public $message = 'This value should be the user\'s current password.';
-    public $service = 'security.validator.user_password';
+    public string $message = 'This value should be the user\'s current password.';
+    public string $service = 'security.validator.user_password';
 
     public function __construct(array $options = null, string $message = null, string $service = null, array $groups = null, mixed $payload = null)
     {