code: public List<CompactionCompleteAction<FileSystemDataset>> getCompactionCompleteActions() {
      ArrayList<CompactionCompleteAction<FileSystemDataset>> array = new ArrayList<>();
      array.add(new CompactionCompleteFileOperationAction(state, configurator));
      array.add(new CompactionHiveRegistrationAction(state));
      array.add(new CompactionMarkDirectoryAction(state, configurator));
      return array;
    }
docs: Some post actions are required after compaction job (map-reduce) is finished.
  
  @return  A list of {@link CompactionCompleteAction}s which needs to be executed after
  map-reduce is done.