}

	if len(partNums) == 0 {
		return result, nil
	}

	start := objectPartIndexNums(partNums, partNumberMarker)
	if partNumberMarker > 0 && start == -1 {
		// Marker not present among what is present on the
		// server, we return an empty list.
		return result, nil
	}

	if partNumberMarker > 0 && start != -1 {
		if start+1 >= len(partNums) {
			// Marker indicates that we are the end

		sha256hex = ""
	}

	var forceMD5 []byte
	// Optimization: If SSE-KMS and SSE-C did not request Content-Md5. Use uuid as etag. Optionally enable this also
	// for server that is started with `--no-compat`.
	if !etag.ContentMD5Requested(r.Header) && (crypto.S3KMS.IsEncrypted(mi.UserDefined) || crypto.SSEC.IsRequested(r.Header) || !globalServerCtxt.StrictS3Compat) {
		forceMD5 = mustGetUUIDBytes()
	}

		sha256hex = ""
	}

	var forceMD5 []byte
	// Optimization: If SSE-KMS and SSE-C did not request Content-Md5. Use uuid as etag. Optionally enable this also
	// for server that is started with `--no-compat`.
	if !etag.ContentMD5Requested(r.Header) && (crypto.S3KMS.IsRequested(r.Header) || crypto.SSEC.IsRequested(r.Header) || !globalServerCtxt.StrictS3Compat) {
		forceMD5 = mustGetUUIDBytes()
	}

	tgtClient, err := globalTierConfigMgr.getDriver(ctx, opts.Transition.Tier)
	if err != nil {
		return err
	}

	if !opts.NoLock {
		// Acquire write lock before starting to transition the object.
		lk := er.NewNSLock(bucket, object)
		lkctx, err := lk.GetLock(ctx, globalDeleteOperationTimeout)
		if err != nil {
			return err
		}
		ctx = lkctx.Context()