public final SnapshotSplit toSnapshotSplit(TableChange tableSchema) {
        Map<TableId, TableChange> tableSchemas = new HashMap<>();
        tableSchemas.put(getTableId(), tableSchema);
        return new SnapshotSplit(
                getTableId(),
                splitId(),
                getSplitKeyType(),
                getSplitStart(),
                getSplitEnd(),
                getHighWatermark(),
                tableSchemas);
    }
Converts current {@link SchemalessSnapshotSplit} to {@link SnapshotSplit} with given table
schema information.
inlong-sort/sort-flink/cdc-base/src/main/java/org/apache/inlong/sort/cdc/base/source/meta/split/SchemalessSnapshotSplit.java