if (StringUtil.isBlank(value)) {
            value = getSystemProperty("aad.use.ds", "true");
        }
        return Constants.TRUE.equalsIgnoreCase(value);
    }

    default void setSsoType(final String value) {
        setSystemProperty(Constants.SSO_TYPE_PROPERTY, value);
    }

    default String getSsoType() {
        return getSystemProperty(Constants.SSO_TYPE_PROPERTY, Constants.NONE);
    }

        fessConfig.setSearchFileProxy(isCheckboxEnabled(form.searchFileProxy));
        fessConfig.setUseBrowserLocaleForSearch(isCheckboxEnabled(form.searchUseBrowserLocale));
        fessConfig.setSsoType(form.ssoType);
        fessConfig.setAppValue(form.appValue);
        fessConfig.setDefaultLabelValue(form.defaultLabelValue);
        fessConfig.setDefaultSortValue(form.defaultSortValue);