protected function isDatabaseConfigured(\OxidEsales\Eshop\Core\ConfigFile $config)
    {
        $isValid = true;

        // If the shop has not been configured yet the hostname has the format '<dbHost>'
        if (false  !== strpos($config->getVar('dbHost'), '<')) {
            $isValid = false;
        }

        return $isValid;
    }