Make @var occurrences consistent

Author: alexandre-daubois

Extension/Validator/ValidatorExtension.php

@@ -40,7 +40,7 @@ public function __construct(
         // the DIC, where the XML file is loaded automatically. Thus the following
         // code must be kept synchronized with validation.xml
 
-        /* @var $metadata ClassMetadata */
+        /* @var ClassMetadata $metadata */
         $metadata->addConstraint(new Form());
         $metadata->addConstraint(new Traverse(false));
     }

FormBuilder.php

@@ -142,7 +142,7 @@ public function count(): int
 
     public function getFormConfig(): FormConfigInterface
     {
-        /** @var $config self */
+        /** @var self $config */
         $config = parent::getFormConfig();
 
         $config->children = [];