private static ByteBuf buildHeartBeatMsgRspPackage() {
        ByteBuf buffer = ByteBufAllocator.DEFAULT.buffer(5);
        // magic data
        buffer.writeBytes(new byte[]{0, 0, 0, 1, 1});
        return buffer;
    }
Build hearbeat(1)-msg response message ByteBuf

@return ByteBuf
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/utils/MessageUtils.java