final String value = getHttpFileuploadMaxSize();
        return value != null ? DfTypeUtil.toLong(value) : null;
    }

    String getHttpFileuploadThresholdSize();

    default Long getHttpFileuploadThresholdSizeAsLong() {
        final String value = getHttpFileuploadThresholdSize();
        return value != null ? DfTypeUtil.toLong(value) : null;
    }

    String getPasswordInvalidAdminPasswords();