public static boolean isSinkRspType(Map<String, String> attrMap) {
        String proxySend = attrMap.get(AttributeConstants.MESSAGE_PROXY_SEND);
        String syncSend = attrMap.get(AttributeConstants.MESSAGE_SYNC_SEND);
        return (StringUtils.isNotEmpty(proxySend) && "true".equalsIgnoreCase(proxySend))
                || (StringUtils.isNotEmpty(syncSend) && "true".equalsIgnoreCase(syncSend));
    }
is or not sync send for order message
@param event  event object
@return true/false
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/utils/MessageUtils.java