public function save()
    {
        $aModule = \OxidEsales\Eshop\Core\Registry::getConfig()->getRequestParameter("aModules");

        $aModules = [];
        if ($tmp = json_decode($aModule, true)) {
            foreach ($tmp as $key => $value) {
                $sanitizedKey = str_replace(self::BACKSLASH_REPLACEMENT, "\\", $key);
                $aModules[$sanitizedKey] = $value;
            }
            $oModuleInstaller = oxNew(\OxidEsales\Eshop\Core\Module\ModuleInstaller::class);
            $aModules = $oModuleInstaller->buildModuleChains($aModules);
        }

        \OxidEsales\Eshop\Core\Registry::getConfig()->saveShopConfVar("aarr", "aModules", $aModules);
    }