// IsConfig returns true if this is a config cluster, used as the source of
	// Istio config for one or more control planes.
	IsConfig() bool

	// IsRemote returns true if this is a remote cluster, which uses a control plane
	// residing in another cluster.
	IsRemote() bool

	// IsExternalControlPlane returns true if this is a cluster containing an instance
	// of the Istio control plane but with its source of config in another cluster.

	if _, f := knownClusterNames[c.Name()]; f {
		return c.Name()
	}
	if c.IsPrimary() {
		if c.IsConfig() {
			prefix = "primary"
		} else {
			prefix = "externalistiod"
		}
	} else if c.IsRemote() {
		if c.IsConfig() {
			prefix = "config"
		} else {
			prefix = "remote"
		}
	}

	return fmt.Sprintf("%s-%d", prefix, c.Index)
}

func (c Topology) IsPrimary() bool {

			// Legacy means heal always
			// always check first.
			return true, errLegacyXLMeta
		}
		if !latestMeta.Equals(meta) {
			return true, errOutdatedXLMeta
		}
		if !meta.Deleted && !meta.IsRemote() {
			// If xl.meta was read fine but there may be problem with the part.N files.
			for _, partErr := range partsErrs {
				if slices.Contains([]int{
					checkPartFileNotFound,
					checkPartFileCorrupt,

	}, exclude(excluded...))
}

// Remotes returns the subset that are remote clusters.
func (c Clusters) Remotes(excluded ...Cluster) Clusters {
	return c.filterClusters(func(cc Cluster) bool {
		return cc.IsRemote()
	}, exclude(excluded...))
}

// MeshClusters returns the subset that are not external control plane clusters.
func (c Clusters) MeshClusters(excluded ...Cluster) Clusters {

}

var errRestoreHDRMalformed = fmt.Errorf("x-amz-restore header malformed")

// IsRemote returns true if this object version's contents are in its remote
// tier.
func (fi FileInfo) IsRemote() bool {
	if fi.TransitionStatus != lifecycle.TransitionComplete {
		return false
	}
	return !isRestoredObjectOnDisk(fi.Metadata)
}

// IsRemote returns true if this object version's contents are in its remote
// tier.

				dataErrsByPart[p][i] = partErr
			}
		}
	}

	for i, onlineDisk := range onlineDisks {
		if metaErrs[i] != nil {
			continue
		}
		meta := partsMetadata[i]

		if meta.Deleted || meta.IsRemote() {
			continue
		}

		// Always check data, if we got it.
		if (len(meta.Data) > 0 || meta.Size == 0) && len(meta.Parts) > 0 {
			checksumInfo := meta.Erasure.GetChecksumInfo(meta.Parts[0].Number)

			if err != nil {
				return err
			}

			cfgMap, err := mc.getConfigMap(c, cfgMapName)
			if err != nil {
				// Remote clusters typically don't have mesh config, allow it to skip
				if c.IsRemote() && kerrors.IsNotFound(err) {
					scopes.Framework.Infof("skipped %s meshconfig patch, as it is a remote", c.Name())
					return nil
				}
				return err
			}

	// from fi.Metadata when the object was tiered. So, tiered objects
	// would return true for InlineData() in these versions even though the
	// object isn't inlined in xl.meta
	return ok && !fi.IsRemote()
}

// SetInlineData marks object (version) as inline.
func (fi *FileInfo) SetInlineData() {
	if fi.Metadata == nil {
		fi.Metadata = make(map[string]string, 1)
	}

			versionsSorter(fivs.Versions).reverse()

			var rebalanced, expired int
			for _, version := range fivs.Versions {
				// Skip transitioned objects for now. TBD
				if version.IsRemote() {
					continue
				}

				// Apply lifecycle rules on the objects that are expired.
				if filterLifecycle(bucket, version.Name, version) {
					expired++
					continue
				}

		var nsLabels map[string]string
		if i.env.IsMultiNetwork() {
			nsLabels = map[string]string{label.TopologyNetwork.Name: c.NetworkName()}
		}
		var nsAnnotations map[string]string
		if c.IsRemote() {
			nsAnnotations = map[string]string{
				annotation.TopologyControlPlaneClusters.Name: c.Config().Name(),
				// ^^^ Use config cluster name because external control plane uses config cluster as its cluster ID
			}