private void writeTableIds(Collection<TableId> tableIds, DataOutputSerializer out)
            throws IOException {
        final int size = tableIds.size();
        out.writeInt(size);
        for (TableId tableId : tableIds) {
            out.writeUTF(tableId.toString());
        }
    }
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