private void serializeHybridPendingSplitsState(
            HybridPendingSplitsState state, DataOutputSerializer out) throws IOException {
        serializeSnapshotPendingSplitsState(state.getSnapshotPendingSplits(), out);
        out.writeBoolean(state.isBinlogSplitAssigned());
    }
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