PreserveETag                        string    // preserves this etag during a PUT call.
	NoLock                              bool      // indicates to lower layers if the caller is expecting to hold locks.
	HasIfMatch                          bool      // indicates if the request has If-Match header
	ProxyRequest                        bool      // only set for GET/HEAD in active-active replication scenario

	}

	// Remove the transitioned object whose object version is being overwritten.
	if !globalTierConfigMgr.Empty() {
		os.Sweep()
	}
}

// PutObjectLegalHoldHandler - set legal hold configuration to object,
func (api objectAPIHandlers) PutObjectLegalHoldHandler(w http.ResponseWriter, r *http.Request) {
	ctx := newContext(r, w, "PutObjectLegalHold")

	plkctx, err := partIDLock.GetLock(ctx, globalOperationTimeout)
	if err != nil {
		return PartInfo{}, err
	}

	ctx = plkctx.Context()
	defer partIDLock.Unlock(plkctx)

	// Read lock for upload id, only held while reading the upload metadata.
	uploadIDRLock := er.NewNSLock(bucket, pathJoin(object, uploadID))
	rlkctx, err := uploadIDRLock.GetRLock(ctx, globalOperationTimeout)
	if err != nil {
		return PartInfo{}, err
	}