public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->add('translations', 'a2lix_translations', array('fields' => array('title' => [], 'body' => array('required' => false, 'attr' => array('class' => ' form-control wysihtml5'), 'field_type' => 'purified_textarea'))))->add('visible', 'checkbox', ['required' => false]);
}