}
        }.accept(root);
      }
    };
  }

  UnmodifiableIterator<T> postOrderIterator(T root) {
    return new PostOrderIterator(root);
  }

  private static final class PostOrderNode<T> {
    final T root;
    final Iterator<T> childIterator;

    PostOrderNode(T root, Iterator<T> childIterator) {
      this.root = checkNotNull(root);

)

// Boot modTimes up to disk count, setting the value to time sentinel.
func bootModtimes(diskCount int) []time.Time {
	modTimes := make([]time.Time, diskCount)
	// Boots up all the modtimes.
	for i := range modTimes {
		modTimes[i] = timeSentinel
	}
	return modTimes
}

func listObjectETags(partsMetadata []FileInfo, errs []error, quorum int) (etags []string) {

	@(env bash $(PWD)/buildscripts/verify-healing-empty-erasure-set.sh)
	@(env bash $(PWD)/buildscripts/heal-inconsistent-versions.sh)

verify-healing-with-root-disks: install-race ## verify healing root disks
	@echo "Verify healing with root drives"
	@(env bash $(PWD)/buildscripts/verify-healing-with-root-disks.sh)

verify-healing-with-rewrite: install-race ## verify healing to rewrite old xl.meta -> new xl.meta
	@echo "Verify healing with rewrite"

    try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
      Path root = fs.getRootDirectories().iterator().next();
      assertNull(root.getParent());
      assertNull(root.toRealPath().getParent());
      MoreFiles.createParentDirectories(root); // test that there's no exception
    }
  }

  public void testCreateParentDirectories_relativePath() throws IOException {

      contents: read  # for actions/checkout to fetch code
    name: "${{ matrix.root-pom }} on JDK ${{ matrix.java }} on ${{ matrix.os }}"
    strategy:
      matrix:
        os: [ ubuntu-latest ]
        java: [ 8, 11, 17, 21 ]
        root-pom: [ 'pom.xml', 'android/pom.xml' ]
        include:
          - os: windows-latest
            java: 21
            root-pom: pom.xml
    runs-on: ${{ matrix.os }}
    env:

	}
	return r, nil
}

func (s3 *warmBackendS3) Remove(ctx context.Context, object string, rv remoteVersionID) error {
	ropts := minio.RemoveObjectOptions{}
	if rv != "" {
		ropts.VersionID = string(rv)
	}
	err := s3.client.RemoveObject(ctx, s3.Bucket, s3.getDest(object), ropts)
	return s3.ToObjectError(err, object)
}

func (s3 *warmBackendS3) InUse(ctx context.Context) (bool, error) {

    if (parent == null) {
      // The given directory is a filesystem root. All zero of its ancestors exist. This doesn't
      // mean that the root itself exists -- consider x:\ on a Windows machine without such a
      // drive -- or even that the caller can create it, but this method makes no such guarantees
      // even for non-root files.
      return;
    }

    if (parent == null) {
      // The given directory is a filesystem root. All zero of its ancestors exist. This doesn't
      // mean that the root itself exists -- consider x:\ on a Windows machine without such a
      // drive -- or even that the caller can create it, but this method makes no such guarantees
      // even for non-root files.
      return;
    }

		}
		pReader := NewPutObjReader(hashReader)
		_, err = er.PutObject(ctx, bucket, object, pReader, ropts)
		return setRestoreHeaderFn(oi, toObjectErr(err, bucket, object))
	}

	res, err := er.NewMultipartUpload(ctx, bucket, object, ropts)
	if err != nil {
		return setRestoreHeaderFn(oi, err)
	}

	var uploadedParts []CompletePart
	var rs *HTTPRangeSpec

		if err != nil && err != errNoSuchUser {
			return
		}
		if isTemp {
			err = errIAMActionNotAllowed
			return
		}

		// When the user is root credential you are not allowed to
		// add policies for root user.
		if userOrGroup == globalActiveCred.AccessKey {
			err = errIAMActionNotAllowed
			return
		}

		// Validate that user exists.
		var userExists bool