Illuminate\Routing\Redirector::refresh PHP Méthode

    public function refresh($status = 302, $headers = [])
    {
        return $this->to($this->generator->getRequest()->path(), $status, $headers);
    }

 /**
  * Handle the form.
  *
  * @param PermissionFormBuilder   $builder
  * @param RoleRepositoryInterface $roles
  * @param Redirector              $redirect
  */
 public function handle(PermissionFormBuilder $builder, RoleRepositoryInterface $roles, Redirector $redirect)
 {
     /* @var RoleInterface|EloquentModel $role */
     $role = $builder->getEntry();
     $roles->save($role->setAttribute('permissions', array_filter(array_flatten($builder->getFormInput()))));
     $builder->setFormResponse($redirect->refresh());
 }