for k, vv := range req.Header {
		// If request header key is not in ignored headers, then add it.
		if _, ok := ignoredStreamingHeaders[http.CanonicalHeaderKey(k)]; !ok {
			headerMap[strings.ToLower(k)] = vv
		}
	}

	// Get header keys.
	headers := []string{"host"}
	for k := range headerMap {
		headers = append(headers, k)
	}
	sort.Strings(headers)

	// Get canonical headers.

		v := strings.ToLower(vs)
		switch v {
		case "true", "false":
			objectLockEnabled = v == "true"
		default:
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
			return
		}
	}

	forceCreate := false
	if vs := r.Header.Get(xhttp.MinIOForceCreate); len(vs) > 0 {
		v := strings.ToLower(vs)
		switch v {
		case "true", "false":

	for k, v := range objInfo.Metadata {
		oi.UserDefined[k] = v[0]
	}

	ce, ok := oi.UserDefined[xhttp.ContentEncoding]
	if !ok {
		ce, ok = oi.UserDefined[strings.ToLower(xhttp.ContentEncoding)]
	}
	if ok {
		oi.ContentEncoding = ce
	}

	_, ok = oi.UserDefined[xhttp.AmzStorageClass]
	if !ok {
		oi.UserDefined[xhttp.AmzStorageClass] = objInfo.StorageClass
	}

			case tierFVIDKey, tierFVMarkerKey:
				continue
			}
		}
		if equals(k, "x-amz-storage-class") && string(v) == storageclass.STANDARD {
			continue
		}
		switch {
		case strings.HasPrefix(strings.ToLower(k), ReservedMetadataPrefixLower), equals(k, VersionPurgeStatusKey):
			fi.Metadata[k] = string(v)
		}
	}
	fi.ReplicationState = getInternalReplicationState(fi.Metadata)
	fi.Deleted = !fi.VersionPurgeStatus().Empty()