public static String packExtParams(InlongStreamRequest request) {
        InlongStreamExtParam extParam = CommonBeanUtils.copyProperties(request, InlongStreamExtParam::new,
                true);
        return JsonUtils.toJsonString(extParam);
    }
Pack extended attributes into ExtParams

@param request the request
@return the packed extParams
inlong-manager/manager-pojo/src/main/java/org/apache/inlong/manager/pojo/stream/InlongStreamExtParam.java