var retSet bool
	if cred.AccessKey == "" {
		return ErrAccessDenied
	}

	conditions := getConditionValues(r, "", cred)
	conditions["object-lock-mode"] = []string{string(retMode)}
	conditions["object-lock-retain-until-date"] = []string{retDate.UTC().Format(time.RFC3339)}
	if retDays > 0 {
		conditions["object-lock-remaining-retention-days"] = []string{strconv.Itoa(retDays)}
	}
	if retMode == objectlock.RetGovernance && byPassSet {

	if n.ClientCert != "" && n.ClientKey == "" || n.ClientCert == "" && n.ClientKey != "" {
		return errors.New("cert and key must be specified as a pair")
	}

	if n.Username != "" && n.Password == "" || n.Username == "" && n.Password != "" {
		return errors.New("username and password must be specified as a pair")
	}

	if n.Streaming.Enable {
		if n.Streaming.ClusterID == "" {
			return errors.New("empty cluster id")
		}
	}

type MSS map[string]string

// Get returns the value for the given key.
func (m *MSS) Get(key string) string {
	if m == nil {
		return ""
	}
	return (*m)[key]
}

// Set a key, value pair.
func (m *MSS) Set(key, value string) {
	if m == nil {
		*m = mssPool.Get().(map[string]string)
	}
	(*m)[key] = value
}

// UnmarshalMsg deserializes m from the provided byte slice and returns the

//
// Any change here should be discussed by opening an issue at
// https://github.com/minio/minio/issues.
func getUserAgent(mode string) string {
	userAgentParts := []string{}
	// Helper function to concisely append a pair of strings to a
	// the user-agent slice.
	uaAppend := func(p, q string) {
		userAgentParts = append(userAgentParts, p, q)
	}
	uaAppend(MinioUAName, " (")
	uaAppend("", runtime.GOOS)

			for i := 0; i < messages; i++ {
				if atomic.LoadUint32((*uint32)(&c.state)) != StateConnected {
					cancel(ErrDisconnected)
					return
				}
				var next []byte
				next, remain, err = msgp.ReadBytesZC(remain)
				if err != nil {
					gridLogIf(ctx, fmt.Errorf("ws read merged: %w", err))
					cancel(ErrDisconnected)
					return
				}

				m.Payload = nil
				subID, _, err = m.parse(next)

	}
	return sCfg.Optimize == "capacity"
}

// AvailabilityOptimized - returns true if the storage-class is availability
// optimized, meaning we will use additional parities when drives are offline
// to retain parity SLA.
//
// Default is "availability" optimized.
func (sCfg *Config) AvailabilityOptimized() bool {
	ConfigLock.RLock()
	defer ConfigLock.RUnlock()
	if !sCfg.initialized {
		return true
	}

			}
			versionsCount++
		} else {
			continue
		}

		if versionsCount <= matchedFilter.Purge.RetainVersions {
			continue // retain versions
		}
		toDel = append(toDel, expireObjInfo{
			ObjectInfo: result,
		})
	}
	// Send any remaining objects downstream
	if len(toDel) > 0 {
		select {
		case <-ctx.Done():

			bucket, object, versionID), err
	}

	if disksToHealCount == 0 {
		// Nothing to heal!
		return result, nil
	}

	// After this point, only have to repair data on disk - so
	// return if it is a dry-run
	if dryRun {
		return result, nil
	}

	if !latestMeta.XLV1 && !latestMeta.Deleted && disksToHealCount > latestMeta.Erasure.ParityBlocks {

		for _, fi := range fivs {
			objectInfos = append(objectInfos, fi.ToObjectInfo(i.bucket, i.objectPath(), versioned))
		}
		return objectInfos, nil
	}

	overflowVersions := fivs[lim+1:]
	// Retain the current version + most recent lim noncurrent versions
	for _, fi := range fivs[:lim+1] {
		objectInfos = append(objectInfos, fi.ToObjectInfo(i.bucket, i.objectPath(), versioned))
	}

	errorFmtFunc = f
}

// uniq swaps away duplicate elements in data, returning the size of the
// unique set. data is expected to be pre-sorted, and the resulting set in
// the range [0:size] will remain in sorted order. Uniq, following a
// sort.Sort call, can be used to prepare arbitrary inputs for use as sets.
func uniq(data sort.Interface) (size int) {
	p, l := 0, data.Len()
	if l <= 1 {
		return l
	}