public function renderWidget(Twig_Environment $env, PermissionAdmin $permissionAdmin, FormView $form, array $parameters = array())
    {
        $template = $env->loadTemplate('KunstmaanAdminBundle:PermissionsAdminTwigExtension:widget.html.twig');

        return $template->render(array_merge(array(
            'form' => $form,
            'permissionadmin' => $permissionAdmin,
            'recursiveSupport' => true,
        ), $parameters));
    }