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diff --git a/vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignRef.php b/vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignRef.php
index 7578df3ff..acedb0b8e 100644
--- a/vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignRef.php
+++ b/vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignRef.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 namespace PhpParser\Node\Expr;
 
@@ -18,13 +18,17 @@ class AssignRef extends Expr
      * @param Expr  $expr       Expression
      * @param array $attributes Additional attributes
      */
-    public function __construct(Expr $var, Expr $expr, array $attributes = array()) {
+    public function __construct(Expr $var, Expr $expr, array $attributes = []) {
         parent::__construct($attributes);
         $this->var = $var;
         $this->expr = $expr;
     }
 
-    public function getSubNodeNames() {
-        return array('var', 'expr');
+    public function getSubNodeNames() : array {
+        return ['var', 'expr'];
+    }
+    
+    public function getType() : string {
+        return 'Expr_AssignRef';
     }
 }