const (
	// ESSUnknown is default value
	ESSUnknown ESSupportStatus = "ESSUnknown"
	// ESSDeprecated -> support will be removed in future
	ESSDeprecated ESSupportStatus = "ESSDeprecated"
	// ESSUnsupported -> we won't work with this ES server
	ESSUnsupported ESSupportStatus = "ESSUnsupported"
	// ESSSupported -> all good!
	ESSSupported ESSupportStatus = "ESSSupported"
)

	credElement := strings.TrimPrefix(strings.Split(strings.TrimSpace(v4Auth), ",")[0], signV4Algorithm)
	// Replace all spaced strings, some clients can send spaced
	// parameters and some won't. So we pro-actively remove any spaces
	// to make parsing easier.
	v4Auth = strings.ReplaceAll(v4Auth, " ", "")
	if v4Auth == "" {
		return sv, ErrAuthHeaderEmpty
	}

				// adding unexpected entries into the config.
				//
				// With newer config disallowing changing / turning off
				// notification targets without removing ARN in notification
				// configuration we won't see this problem anymore.
				if reflect.DeepEqual(queue.ARN, arnErr.ARN) && i < len(config.QueueList) {
					config.QueueList = append(config.QueueList[:i],
						config.QueueList[i+1:]...)
				}

			f.updateCurrentPath(k)

			if bucket != resolver.bucket {
				// Bucket might be missing as well with abandoned children.
				// make sure it is created first otherwise healing won't proceed
				// for objects.
				bgSeq.queueHealTask(healSource{
					bucket: bucket,
				}, madmin.HealItemBucket)
			}

			resolver.bucket = bucket

			foundObjs := false

					// entries, if that is the case we should update the
					// new domain entries as well.
					continue
				}

				// if domain IPs intersect then it won't be an empty set.
				// such an intersection means that bucket exists on etcd.
				// but if we do see a difference with local domain IPs with
				// hostSlice from etcd then we should update with newer