use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;
use Hateoas\Configuration\Annotation as Hateoas;
-use Symfony\Component\Serializer\Annotation\Groups;
+use JMS\Serializer\Annotation\Groups;
use JMS\Serializer\Annotation\XmlRoot;
use Wallabag\UserBundle\Entity\User;