@Override
    protected InLongMsgHead parseHead(String attr) {
        return InLongMsgBinlogUtils.parseHead(attr);
    }
Controlling whether beforeColumnsList needs to be included when deserializing dbsync update data.
inlong-sort/sort-formats/format-row/format-inlongmsg-binlog/src/main/java/org/apache/inlong/sort/formats/inlongmsgbinlog/InLongMsgBinlogFormatDeserializer.java