code: private MRCompactorAvroKeyDedupJobRunner.DedupKeyOption getDedupKeyOption() {
      if (!this.state.contains(MRCompactorAvroKeyDedupJobRunner.COMPACTION_JOB_DEDUP_KEY)) {
        return MRCompactorAvroKeyDedupJobRunner.DEFAULT_DEDUP_KEY_OPTION;
      }
      Optional<MRCompactorAvroKeyDedupJobRunner.DedupKeyOption> option =
          Enums.getIfPresent(MRCompactorAvroKeyDedupJobRunner.DedupKeyOption.class,
              this.state.getProp(MRCompactorAvroKeyDedupJobRunner.COMPACTION_JOB_DEDUP_KEY).toUpperCase());
      return option.isPresent() ? option.get() : MRCompactorAvroKeyDedupJobRunner.DEFAULT_DEDUP_KEY_OPTION;
    }
docs: Refer to MRCompactorAvroKeyDedupJobRunner#getDedupKeyOption()