@Override
  public MixedFormatSplit copy() {
    return new ChangelogSplit(insertScanTasks, deleteScanTasks, taskIndex);
  }
A changelog split generated during planning change table.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/read/hybrid/split/ChangelogSplit.java