the latest code

vendor/symfony/var-dumper/Caster/FrameStub.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Caster;
+
+/**
+ * Represents a single backtrace frame as returned by debug_backtrace() or Exception->getTrace().
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class FrameStub extends EnumStub
+{
+    public function __construct(
+        array $frame,
+        public bool $keepArgs = true,
+        public bool $inTraceStub = false,
+    ) {
+        parent::__construct($frame);
+    }
+}