Translation Doctrine Entity in Typo3 Flow 2.1

GalleryTranslation.php

<?php
namespace My\Gallery\Domain\Model\Translation;

use Doctrine\ORM\Mapping as ORM;
use Gedmo\Translatable\Entity\MappedSuperclass\AbstractTranslation;

/**
 * @ORM\Table(name="my_gallery_domain_model_gallery_translation", indexes={
 *      @ORM\Index(name="gallery_translation_idx", columns={"locale", "object_class", "field", "foreign_key"})
 * })
 * @ORM\Entity(repositoryClass="Gedmo\Translatable\Entity\Repository\TranslationRepository")
 */
class GalleryTranslation extends AbstractTranslation {
    /**
     * All required columns are mapped through inherited superclass
     */
}