public final MySqlSnapshotSplitState asSnapshotSplitState() {
        return (MySqlSnapshotSplitState) this;
    }
Casts this split state into a {@link MySqlSnapshotSplitState}.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/split/MySqlSplitState.java