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    <h3>Editing: TranslatableMessage.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;

use Symfony\Contracts\Translation\TranslatableInterface;
use Symfony\Contracts\Translation\TranslatorInterface;

/**
 * @author Nate Wiebe &lt;nate@northern.co&gt;
 */
class TranslatableMessage implements TranslatableInterface
{
    private $message;
    private $parameters;
    private $domain;

    public function __construct(string $message, array $parameters = [], ?string $domain = null)
    {
        $this-&gt;message = $message;
        $this-&gt;parameters = $parameters;
        $this-&gt;domain = $domain;
    }

    public function __toString(): string
    {
        return $this-&gt;getMessage();
    }

    public function getMessage(): string
    {
        return $this-&gt;message;
    }

    public function getParameters(): array
    {
        return $this-&gt;parameters;
    }

    public function getDomain(): ?string
    {
        return $this-&gt;domain;
    }

    public function trans(TranslatorInterface $translator, ?string $locale = null): string
    {
        return $translator-&gt;trans($this-&gt;getMessage(), array_map(
            static function ($parameter) use ($translator, $locale) {
                return $parameter instanceof TranslatableInterface ? $parameter-&gt;trans($translator, $locale) : $parameter;
            },
            $this-&gt;getParameters()
        ), $this-&gt;getDomain(), $locale);
    }
}
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