CompleteMultipartUpload(ctx context.Context, bucket, object, uploadID string, uploadedParts []CompletePart, opts ObjectOptions) (objInfo ObjectInfo, err error)

	GetDisks(poolIdx, setIdx int) ([]StorageAPI, error) // return the disks belonging to pool and set.
	SetDriveCounts() []int                              // list of erasure stripe size for each pool in order.

	// Healing operations.

	result.Delimiter = delimiter

	var uploadIDs []string
	var disk StorageAPI
	disks := er.getOnlineLocalDisks()
	if len(disks) == 0 {
		// using er.getOnlineLocalDisks() has one side-affect where
		// on a pooled setup all disks are remote, add a fallback
		disks = er.getOnlineDisks()
	}
	for _, disk = range disks {
		if disk == nil {
			continue
		}
		if !disk.IsOnline() {
			continue
		}

			if offlineHost == "" && ep.IsLocal || offlineHost == ep.Host {
				offlineDisks = append(offlineDisks, madmin.Disk{
					Endpoint:  ep.String(),
					State:     string(madmin.ItemOffline),
					PoolIndex: ep.PoolIdx,
					SetIndex:  ep.SetIdx,
					DiskIndex: ep.DiskIdx,
				})
			}
		}
	}
	return offlineDisks
}

// StorageInfo returns disk information across all peers

	hostAnonymizer := map[string]string{}
	hosts := set.NewStringSet()
	srvrIdx := 0

	for poolIdx, pool := range globalEndpoints {
		for _, endpoint := range pool.Endpoints {
			if !hosts.Contains(endpoint.Host) {
				hosts.Add(endpoint.Host)
				srvrIdx++
			}
			anonymizeHost(hostAnonymizer, endpoint, poolIdx+1, srvrIdx)
		}
	}
	return hostAnonymizer

	GridHost string
}

// Endpoint - any type of endpoint.
type Endpoint struct {
	*url.URL
	IsLocal bool

	PoolIdx, SetIdx, DiskIdx int
}

// Equal returns true if endpoint == ep
func (endpoint Endpoint) Equal(ep Endpoint) bool {
	if endpoint.IsLocal == ep.IsLocal && endpoint.PoolIdx == ep.PoolIdx && endpoint.SetIdx == ep.SetIdx && endpoint.DiskIdx == ep.DiskIdx {
		if endpoint.Path == ep.Path && endpoint.Host == ep.Host {

// Initialize a new storage disk.
func newLocalXLStorageWithDiskIdx(path string, diskIdx int) (*xlStorage, error) {
	u := url.URL{Path: path}
	return newXLStorage(Endpoint{
		URL:     &u,
		IsLocal: true,
		PoolIdx: 0,
		SetIdx:  0,
		DiskIdx: diskIdx,
	}, true)
}

// creates a temp dir and sets up xlStorage layer.
// returns xlStorage layer, temp dir path to be used for the purpose of tests.