@Override
    public List<FinishedSnapshotSplitInfo> getFinishedSplitInfos() {
        return Collections.EMPTY_LIST;
    }
Assigner for stream split.
Copy from com.ververica:flink-cdc-base:2.3.0.
inlong-sort/sort-flink/cdc-base/src/main/java/org/apache/inlong/sort/cdc/base/source/assigner/StreamSplitAssigner.java