public Map<String, String> getPropsToMQ(long sendTime) {
        Map<String, String> result = new HashMap<>();
        result.put(AttributeConstants.RCV_TIME, event.getHeaders().get(AttributeConstants.RCV_TIME));
        result.put(ConfigConstants.MSG_SEND_TIME, String.valueOf(sendTime));
        result.put(ConfigConstants.MSG_ENCODE_VER, event.getHeaders().get(ConfigConstants.MSG_ENCODE_VER));
        result.put(EventConstants.HEADER_KEY_VERSION, event.getHeaders().get(EventConstants.HEADER_KEY_VERSION));
        result.put(ConfigConstants.REMOTE_IP_KEY, event.getHeaders().get(ConfigConstants.REMOTE_IP_KEY));
        result.put(ConfigConstants.DATAPROXY_IP_KEY, NetworkUtils.getLocalIp());
        return result;
    }
get required properties sent to MQ

@param sendTime  send time
@return the properties
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/sink/mq/SimplePackProfile.java