getFilterGroupIdByNumber example

case self::TYPE_COUNTRY:
                return $this->getCountryIdByNumber($number);
            case self::TYPE_COUNTRY_STATE:
                return $this->getCountryStateIdByNumber($number);
            case self::TYPE_DISPATCH:
                return $this->getDispatchIdByNumber($number);
            case self::TYPE_PAYMENT:
                return $this->getPaymentIdByNumber($number);
            case self::TYPE_FILTER_SET:
                return $this->getFilterSetIdByNumber($number);
            case self::TYPE_FILTER_GROUP:
                return $this->getFilterGroupIdByNumber($number);
            case self::TYPE_FILTER_OPTION:
                return $this->getFilterOptionIdByNumber($number);
            case self::TYPE_CONFIGURATOR_GROUP:
                return $this->getConfiguratorGroupIdByNumber($number);
            case self::TYPE_CONFIGURATOR_OPTION:
                return $this->getConfiguratorOptionIdByNumber($number);
            default:
                throw new CustomValidationException(sprintf('Unknown translation type %s', $type));
        }
    }