if j.Type == DeleteType {
		return j.DeleteMarker.FreeVersion()
	}
	return false
}

// AddFreeVersion adds a free-version if needed for fi.VersionID version.
// Free-version will be added if fi.VersionID has transitioned.
func (x *xlMetaV2) AddFreeVersion(fi FileInfo) error {
	var uv uuid.UUID
	var err error
	switch fi.VersionID {
	case "", nullVersionID:
	default:
		uv, err = uuid.Parse(fi.VersionID)

	go removeAll(pathJoin(diskPath, minioMetaTmpBucket+"-old"))

	// Renames and schedules for purging all bucket metacache.
	go renameAllBucketMetacache(diskPath)
}

// Following error message is added to fix a regression in release
// RELEASE.2018-03-16T22-52-12Z after migrating v1 to v2 to v3. This
// migration failed to capture '.This' field properly which indicates

		return
	}
	for l.LastSec != t {
		// Clear next element.
		idx := (l.LastSec + 1) % 60
		l.Totals[idx] = AccElem{}
		l.LastSec++
	}
}

// LastMinuteHistogram keeps track of last minute sizes added.
type LastMinuteHistogram [sizeLastElemMarker]lastMinuteLatency

// Merge safely merges two LastMinuteHistogram structures into one
func (l LastMinuteHistogram) Merge(o LastMinuteHistogram) (merged LastMinuteHistogram) {

				break
			}
		}
		if allEmpty {
			j.ObjectV2.PartETags = nil
		}
	}
	return o, err
}

// xlMetaV2VersionHeaderV2 is a version 2 of xlMetaV2VersionHeader before EcN and EcM were added.
type xlMetaV2VersionHeaderV2 struct {
	*xlMetaV2VersionHeader
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *xlMetaV2VersionHeaderV2) UnmarshalMsg(bts []byte) (o []byte, err error) {

		var closestCommands []string
		closestCommands = append(closestCommands, commandsTree.PrefixMatch(command)...)

		sort.Strings(closestCommands)
		// Suggest other close commands - allow missed, wrongly added and
		// even transposed characters
		for _, value := range commandsTree.Walk(commandsTree.Root()) {
			if sort.SearchStrings(closestCommands, value) < len(closestCommands) {
				continue
			}

			// For cleanup, its required to add these entries into test results.
			testResults = append(testResults, result{dir, entries})
			t.Fatalf("Unable to create a file, %s", err)
		}
		// Symlink will not be added to entries.
		if err := os.Symlink(filepath.Join(dir, name1), filepath.Join(dir, name2)); err != nil {
			t.Fatalf("Unable to create a symlink, %s", err)
		}
		// Add to entries.
		entries = append(entries, name1)

// a very high probability.
//
// Therefore, an S3 implementation may encrypt an ETag before storing
// it. In this case, the stored ETag may not be a well-formed S3 ETag.
// For example, it can be larger due to a checksum added by authenticated
// encryption schemes. Such an ETag must be decrypted before sent to an
// S3 client.
//
// # S3 Clients
//
// There are many different S3 client implementations. Most of them

				c.etcdClient.Delete(ctx, key)
				cancel()
				return err
			}
		}
	}
	return nil
}

// Delete - Removes DNS entries added in Put().
func (c *CoreDNS) Delete(bucket string) error {
	for _, domainName := range c.domainNames {
		key := msg.Path(fmt.Sprintf("%s.%s.", bucket, domainName), c.prefixPath)

// 3. the default value,
//
// This function only works for a subset of sub-systems, others return
// `ValueSourceAbsent`. FIXME: some parameters have custom environment
// variables for which support needs to be added.
//
// When redactSecrets is true, the returned value is empty if the configuration
// parameter is a secret, and the returned isRedacted flag is set.

	return reduceReadQuorumErrs(ctx, g.Wait(), bucketMetadataOpIgnoredErrs, readQuorum)
}

// Only heal on disks where we are sure that healing is needed. We can expand
// this list as and when we figure out more errors can be added to this list safely.
func shouldHealObjectOnDisk(erErr, dataErr error, meta FileInfo, latestMeta FileInfo) bool {
	switch {
	case errors.Is(erErr, errFileNotFound) || errors.Is(erErr, errFileVersionNotFound):
		return true