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    <h3>Editing: TraceableArgumentResolver.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\Controller;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Stopwatch\Stopwatch;

/**
 * @author Fabien Potencier &lt;fabien@symfony.com&gt;
 */
class TraceableArgumentResolver implements ArgumentResolverInterface
{
    private ArgumentResolverInterface $resolver;
    private Stopwatch $stopwatch;

    public function __construct(ArgumentResolverInterface $resolver, Stopwatch $stopwatch)
    {
        $this-&gt;resolver = $resolver;
        $this-&gt;stopwatch = $stopwatch;
    }

    /**
     * @param \ReflectionFunctionAbstract|null $reflector
     */
    public function getArguments(Request $request, callable $controller/* , \ReflectionFunctionAbstract $reflector = null */): array
    {
        $reflector = 2 &lt; \func_num_args() ? func_get_arg(2) : null;
        $e = $this-&gt;stopwatch-&gt;start('controller.get_arguments');

        $ret = $this-&gt;resolver-&gt;getArguments($request, $controller, $reflector);

        $e-&gt;stop();

        return $ret;
    }
}
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