@Override
    public String toString() {
        return "MySqlSnapshotSplitState{"
                + "highWatermark="
                + highWatermark
                + ", split="
                + split
                + '}';
    }
The state of split to describe the binlog of MySql table(s).
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/split/MySqlSnapshotSplitState.java