Fix CS

src/Parser.php

@@ -549,7 +549,7 @@ class Parser
         // here, $nested means "being at the root level of a child template"
         // we need to discard the wrapping "Node" for the "body" node
         // Node::class !== \get_class($node) should be removed in Twig 4.0
-        $nested = $nested || (Node::class !== \get_class($node) && !$node instanceof Nodes);
+        $nested = $nested || (Node::class !== $node::class && !$node instanceof Nodes);
         foreach ($node as $k => $n) {
             if (null !== $n && null === $this->filterBodyNodes($n, $nested)) {
                 $node->removeNode($k);