private function getKlarnaCountryId($country)
    {
        switch ($country) {
            case 'DE':
                return self::DE;
            case 'AT':
                return self::AT;
            case 'DK':
                return self::DK;
            case 'FI':
                return self::FI;
            case 'NL':
                return self::NL;
            case 'NO':
                return self::NO;
            case 'SE':
                return self::SE;
            default:
                return 0;
        }
    }
private function getKlarnaCountryId($country)
    {
        switch ($country) {
            case 'DE':
                return self::DE;
            case 'AT':
                return self::AT;
            case 'DK':
                return self::DK;
            case 'FI':
                return self::FI;
            case 'NL':
                return self::NL;
            case 'NO':
                return self::NO;
            case 'SE':
                return self::SE;
            default:
                return 0;
        }
    }
@param string $country

@return int