fessConfig.setNotificationLogin(form.notificationLogin);
        fessConfig.setNotificationSearchTop(form.notificationSearchTop);
        fessConfig.setStorageEndpoint(form.storageEndpoint);
        if (form.storageAccessKey != null && StringUtil.isNotBlank(form.storageAccessKey.replace("*", " "))) {
            fessConfig.setStorageAccessKey(form.storageAccessKey);
        }

    }

    default void setLdapMemberofAttribute(final String value) {
        setSystemProperty(Constants.LDAP_MEMBEROF_ATTRIBUTE, value);
    }

    default void setStorageEndpoint(final String value) {
        setSystemProperty(Constants.STORAGE_ENDPOINT, value);
    }

    default String getStorageEndpoint() {
        return getSystemProperty(Constants.STORAGE_ENDPOINT, StringUtil.EMPTY);