public function getUserNameFields(bool $withoutModel = false): array
    {
        $userNameFields = $this->config('userNameFields');
        if ($withoutModel) {
            foreach ($userNameFields as $key => $value) {
                $exploded = explode('.', $value);
                if (count($exploded) === 2) {
                    $userNameFields[$key] = $exploded[1];
                }
            }
        }

        return $userNameFields;
    }