protected function extendCreate(ValidatorResolver $validator)
    {
        $name = Keyword::make($validator->getData()['name']);

        $validator->after(function (ValidatorResolver $v) use ($name) {
            if ($this->isRoleNameAlreadyUsed($name)) {
                $v->errors()->add('name', trans('orchestra/control::response.roles.reserved-word'));
            }
        });
    }