private function _getCultureId()
    {
        $fallback = 'en_US';
        $supportedCultures = [
            'en_US' => '1033',
            'en_GB' => '2057',
            'fr_FR' => '1036',
            'es_ES' => '3082',
            'de_DE' => '1031',
            'it_IT' => '1040',
            'ru_RU' => '1049',
            'pt_PT' => '2070',
        ];
        $localeCode = $this->helper->getWebsiteConfig(\Magento\Directory\Helper\Data::XML_PATH_DEFAULT_LOCALE);
        if (isset($supportedCultures[$localeCode])) {
            return $supportedCultures[$localeCode];
        }

        return $supportedCultures[$fallback];
    }