@Override
  public ChangeTableIncrementalScan useRef(String ref) {
    return (ChangeTableIncrementalScan) super.useRef(ref);
  }
Table scan for {@link ChangeTable}, support filter files with data sequence number and return
{@link BasicMixedFileScanTask}.
amoro-format-iceberg/src/main/java/org/apache/iceberg/MixedChangeTableScan.java