private void serializeSnapshotPendingSplitsState(
            SnapshotPendingSplitsState state, DataOutputSerializer out) throws IOException {
        writeTableIds(state.getAlreadyProcessedTables(), out);
        writeMySqlSplits(state.getRemainingSplits(), out);
        writeAssignedSnapshotSplits(state.getAssignedSplits(), out);
        writeFinishedOffsets(state.getSplitFinishedOffsets(), out);
        out.writeInt(state.getSnapshotAssignerStatus().getStatusCode());
        writeTableIds(state.getRemainingTables(), out);
        out.writeBoolean(state.isTableIdCaseSensitive());
        writeTableSchemas(state.getTableSchemas(), out);
    }
The {@link SimpleVersionedSerializer Serializer} for the {@link PendingSplitsState} of MySQL CDC
source.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/assigners/state/PendingSplitsStateSerializer.java