Version 4.6.0

system/3rd_party/graphql-php/Language/AST/VariableNode.php

@@ -1,12 +1,14 @@
 <?php
+
+declare(strict_types=1);
+
 namespace GraphQL\Language\AST;
 
-class VariableNode extends Node
+class VariableNode extends Node implements ValueNode
 {
+    /** @var string */
     public $kind = NodeKind::VARIABLE;
 
-    /**
-     * @var NameNode
-     */
+    /** @var NameNode */
     public $name;
 }