return new TreeRow(rowKey, fromKey, toKey);
    }

    @Override
    public SortedMap<C, V> headMap(C toKey) {
      checkArgument(rangeContains(checkNotNull(toKey)));
      return new TreeRow(rowKey, lowerBound, toKey);
    }

    @Override
    public SortedMap<C, V> tailMap(C fromKey) {
      checkArgument(rangeContains(checkNotNull(fromKey)));

	arn, err := ParseARN(arnStr)
	if err != nil {
		return nil, err
	}

	id, found := list.targets[arn.TargetID]
	if !found {
		return nil, &ErrARNNotFound{}
	}
	return id, nil
}

// TargetIDResult returns result of Remove/Send operation, sets err if
// any for the associated TargetID
type TargetIDResult struct {
	// ID where the remove or send were initiated.
	ID TargetID

        if (current < maxValueDivs[radix]) {
          return false;
        }
        if (current > maxValueDivs[radix]) {
          return true;
        }
        // current == maxValueDivs[radix]
        return (digit > maxValueMods[radix]);
      }

      // current < 0: high bit is set
      return true;
    }
  }

  /**
   * Returns a string representation of x, where x is treated as unsigned.

        return request;
    }

    public boolean isOffline() {
        return offline;
    }

    public DefaultRepositoryRequest setOffline(boolean offline) {
        this.offline = offline;

        return this;
    }

    public boolean isForceUpdate() {
        return forceUpdate;
    }

    }

    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    public int getAllRecordCount() {
        return allRecordCount;
    }

    public void setAllRecordCount(final int allRecordCount) {
        this.allRecordCount = allRecordCount;
    }

    public int getAllPageCount() {
        return allPageCount;
    }

    }

    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    public int getAllRecordCount() {
        return allRecordCount;
    }

    public void setAllRecordCount(final int allRecordCount) {
        this.allRecordCount = allRecordCount;
    }

    public int getAllPageCount() {
        return allPageCount;
    }

    }

    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    public int getAllRecordCount() {
        return allRecordCount;
    }

    public void setAllRecordCount(final int allRecordCount) {
        this.allRecordCount = allRecordCount;
    }

    public int getAllPageCount() {
        return allPageCount;
    }

    }

    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    public int getAllRecordCount() {
        return allRecordCount;
    }

    public void setAllRecordCount(final int allRecordCount) {
        this.allRecordCount = allRecordCount;
    }

    public int getAllPageCount() {
        return allPageCount;
    }

	if S3KMS.IsEncrypted(metadata) {
		return S3KMS, true
	}
	if S3.IsEncrypted(metadata) {
		return S3, true
	}
	if SSEC.IsEncrypted(metadata) {
		return SSEC, true
	}
	if IsMultiPart(metadata) {
		return nil, true
	}
	if _, ok := metadata[MetaIV]; ok {
		return nil, true
	}
	if _, ok := metadata[MetaAlgorithm]; ok {
		return nil, true
	}
	if _, ok := metadata[MetaKeyID]; ok {

    return refreshNanos > 0;
  }

  boolean usesAccessQueue() {
    return expiresAfterAccess() || evictsBySize();
  }

  boolean usesWriteQueue() {
    return expiresAfterWrite();
  }

  boolean recordsWrite() {
    return expiresAfterWrite() || refreshes();
  }

  boolean recordsAccess() {
    return expiresAfterAccess();
  }

  boolean recordsTime() {