func (fi *FileInfo) TierFreeVersion() bool {
	_, ok := fi.Metadata[ReservedMetadataPrefixLower+tierFVMarker]
	return ok
}

// IsRestoreObjReq returns true if fi corresponds to a RestoreObject request.
func (fi *FileInfo) IsRestoreObjReq() bool {
	if restoreHdr, ok := fi.Metadata[xhttp.AmzRestore]; ok {
		if restoreStatus, err := parseRestoreObjStatus(restoreHdr); err == nil {
			if !restoreStatus.Ongoing() {

	//
	// Note: RestoreObject and HealObject requests don't end up replacing the
	// null version and therefore don't require the free-version to track
	// anything
	if fi.VersionID == "" && !fi.IsRestoreObjReq() && !fi.Healing() {
		// Note: Restore object request reuses PutObject/Multipart
		// upload to copy back its data from the remote tier. This
		// doesn't replace the existing version, so we don't need to add