/**
  * For the Users entity, customize the FormBuilder with dynamic elements.
  *
  * {@inheritdoc}
  *
  * @see JavierEguiluz\Bundle\EasyAdminBundle\Controller\AdminController::createEntityFormBuilder
  */
 public function createUsersEntityFormBuilder($entity, $view)
 {
     $builder = parent::createEntityFormBuilder($entity, $view);
     // Add the dynamic choices for the roles
     $redirectionCodeField = $builder->get('roles');
     $type = $redirectionCodeField->getType();
     $options = $redirectionCodeField->getOptions();
     $options['choices'] = ['roles.administrator' => 'ROLE_ADMIN', 'roles.manager' => 'ROLE_MANAGER'];
     unset($options['choice_list']);
     $builder->add($redirectionCodeField->getName(), $type->getName(), $options);
     return $builder;
 }