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    <h3>Editing: TranslatableMessageVisitor.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\Translation\Extractor\Visitor;

use PhpParser\Node;
use PhpParser\NodeVisitor;

/**
 * @author Mathieu Santostefano &lt;msantostefano@protonmail.com&gt;
 */
final class TranslatableMessageVisitor extends AbstractVisitor implements NodeVisitor
{
    public function beforeTraverse(array $nodes): ?Node
    {
        return null;
    }

    public function enterNode(Node $node): ?Node
    {
        if (!$node instanceof Node\Expr\New_) {
            return null;
        }

        if (!($className = $node-&gt;class) instanceof Node\Name) {
            return null;
        }

        if (!\in_array('TranslatableMessage', $className-&gt;parts, true)) {
            return null;
        }

        $nodeHasNamedArguments = $this-&gt;hasNodeNamedArguments($node);

        if (!$messages = $this-&gt;getStringArguments($node, $nodeHasNamedArguments ? 'message' : 0)) {
            return null;
        }

        $domain = $this-&gt;getStringArguments($node, $nodeHasNamedArguments ? 'domain' : 2)[0] ?? null;

        foreach ($messages as $message) {
            $this-&gt;addMessageToCatalogue($message, $domain, $node-&gt;getStartLine());
        }

        return null;
    }

    public function leaveNode(Node $node): ?Node
    {
        return null;
    }

    public function afterTraverse(array $nodes): ?Node
    {
        return null;
    }
}
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