// argument returns if a heal sequence actually exists.
func (ahs *allHealState) getHealSequence(path string) (h *healSequence, exists bool) {
	ahs.RLock()
	defer ahs.RUnlock()
	h, exists = ahs.healSeqMap[path]
	return h, exists
}

func (ahs *allHealState) stopHealSequence(path string) ([]byte, APIError) {
	var hsp madmin.HealStopSuccess
	he, exists := ahs.getHealSequence(path)
	if !exists {
		hsp = madmin.HealStopSuccess{

}

// Checks for PutObjectPart arguments validity, also validates if bucket exists.
func checkPutObjectPartArgs(ctx context.Context, bucket, object, uploadID string) error {
	return checkMultipartObjectArgs(ctx, bucket, object, uploadID)
}

// Checks for ListParts arguments validity, also validates if bucket exists.
func checkListPartsArgs(ctx context.Context, bucket, object, uploadID string) error {

	for !file.Exists(cniConfigFilepath) {
		if strings.HasSuffix(cniConfigFilepath, ".conf") && file.Exists(cniConfigFilepath+"list") {
			installLog.Infof("%s doesn't exist, but %[1]slist does; Using it as the CNI config file instead.", cniConfigFilepath)
			cniConfigFilepath += "list"
		} else if strings.HasSuffix(cniConfigFilepath, ".conflist") && file.Exists(cniConfigFilepath[:len(cniConfigFilepath)-4]) {

	}

	target.SourceBucket = bucket
	var ops []madmin.TargetUpdateType
	if update {
		ops = madmin.GetTargetUpdateOps(r.Form)
	} else {
		var exists bool // true if arn exists
		target.Arn, exists = globalBucketTargetSys.getRemoteARN(bucket, &target, "")
		if exists && target.Arn != "" { // return pre-existing ARN
			data, err := json.Marshal(target.Arn)
			if err != nil {

	res, err := c.Exists(
		index,
		key,
		c.Exists.WithContext(ctx),
	)
	if err != nil {
		return false, err
	}
	xhttp.DrainBody(res.Body)
	return !res.IsError(), nil
}

func (c *esClientV7) removeEntry(ctx context.Context, index string, key string) error {
	exists, err := c.entryExists(ctx, index, key)
	if err == nil && exists {
		res, err := c.Delete(
			index,

}

// ObjectAlreadyExists object already exists.
type ObjectAlreadyExists GenericError

func (e ObjectAlreadyExists) Error() string {
	return "Object: " + e.Bucket + "/" + e.Object + " already exists"
}

// ObjectExistsAsDirectory object already exists as a directory.
type ObjectExistsAsDirectory GenericError

func (e ObjectExistsAsDirectory) Error() string {
	return "Object exists on : " + e.Bucket + " as directory " + e.Object

func (config *TierConfigMgr) Edit(ctx context.Context, tierName string, creds madmin.TierCreds) error {
	config.Lock()
	defer config.Unlock()

	// check if tier by this name exists
	tierType, exists := config.isTierNameInUse(tierName)
	if !exists {
		return errTierNotFound
	}

	cfg := config.Tiers[tierName]
	switch tierType {
	case madmin.S3:
		if creds.AWSRole {
			cfg.S3.AWSRole = true
		}

	for _, target := range targets {
		if _, ok := list.targets[target.ID()]; ok {
			return fmt.Errorf("target %v already exists", target.ID())
		}
		list.targets[target.ID()] = target
	}

	return nil
}

// Exists - checks whether target by target ID exists or not.
func (list *TargetList) Exists(id TargetID) bool {
	list.RLock()
	defer list.RUnlock()

	_, found := list.targets[id]
	return found
}

	if s3Error := checkRequestAuthType(ctx, r, policy.PutBucketEncryptionAction, bucket, ""); s3Error != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	// Check if bucket exists.
	if _, err := objAPI.GetBucketInfo(ctx, bucket, BucketOptions{}); err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	// Parse bucket encryption xml

			return true
		}
		if cs[j].after == "*" && cs[i].after != "*" {
			return true
		}
		return false
	})

	for _, c := range cs {
		// show warning message the callback name already exists
		if idx := getRIndex(names, c.name); idx > -1 && !c.replace && !c.remove && !cs[idx].remove {
			c.processor.db.Logger.Warn(context.Background(), "duplicated callback `%s` from %s\n", c.name, utils.FileWithLineNum())
		}