[WebLink] Add types to private properties

Signed-off-by: Alexander M. Turek <me@derrabus.de>

Author: derrabus

EventListener/AddLinkHeaderListener.php

@@ -29,7 +29,7 @@ class_exists(HttpHeaderSerializer::class);
  */
 class AddLinkHeaderListener implements EventSubscriberInterface
 {
-    private $serializer;
+    private HttpHeaderSerializer $serializer;
 
     public function __construct()
     {

GenericLinkProvider.php

@@ -19,7 +19,7 @@ class GenericLinkProvider implements EvolvableLinkProviderInterface
     /**
      * @var LinkInterface[]
      */
-    private $links = [];
+    private array $links = [];
 
     /**
      * @param LinkInterface[] $links

Link.php

@@ -38,17 +38,17 @@ class Link implements EvolvableLinkInterface
     // Extra relations
     public const REL_MERCURE = 'mercure';
 
-    private $href = '';
+    private string $href = '';
 
     /**
      * @var string[]
      */
-    private $rel = [];
+    private array $rel = [];
 
     /**
      * @var array<string, string|bool|string[]>
      */
-    private $attributes = [];
+    private array $attributes = [];
 
     public function __construct(string $rel = null, string $href = '')
     {