//   purposes and doesn't affect logic. module_name - What the input module name
//   is for debugging help.
//
// Output: Modifies the input module in place with clustered operations.
//   status - Whether the transformation to cluster the input MLIR module was
//   successful.
tensorflow::Status RunFunctionTf2xlaClusteringBridge(
    mlir::ModuleOp module, bool is_supported_by_replicated_brige,

      TF_RET_CHECK(absl::SimpleAtoi(*maybe_cluster, &cluster));
      clustered_nodes++;
    }
    clusters[cluster][n->type_string()]++;
    cluster_size[cluster]++;
  }

  string result =
      absl::StrCat("Clustered nodes: ", clustered_nodes,
                   "\nUnclustered nodes: ", cluster_size[kNoCluster],
                   "\nNumber of clusters: ", clusters.size() - 1, "\n\n");

// file name suggests, these are graphdefs that have been dumped right before
// the mark_for_compilation pass.  There should be one
// before_mark_for_compilation_<N>.pbtxt for every TF graph that was
// auto-clustered, out of which usually only one is the "main" graph that's
// running training/inference.
//
// Copy the pbtxt for that "main" graph to tensorflow/compiler/jit/tests/

	"istio.io/istio/pilot/pkg/features"
	"istio.io/istio/pkg/cluster"
	"istio.io/istio/pkg/config/mesh"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/kube/kclient"
	filter "istio.io/istio/pkg/kube/namespace"
	"istio.io/istio/pkg/log"
)

// Cluster defines cluster struct
type Cluster struct {
	// ID of the cluster.
	ID cluster.ID
	// Client for accessing the cluster.
	Client kube.Client

	kubeConfigSha [sha256.Size]byte

}

// CHECK: func private @[[CLUSTER]]
// CHECK-SAME: () -> tensor<?xi32>
// CHECK: %[[A_OUTPUT:[0-9]*]] = "tf.A"()
// CHECK: return %[[A_OUTPUT]]

// -----

// Tests cluster attributes are copied over to cluster_func.

// CHECK-LABEL: func @cluster_attrs
func.func @cluster_attrs() -> tensor<?xi32> {
  %0 = "tf_device.cluster"() ({
    %1 = "tf.A"() : () -> tensor<?xi32>

    istio -> ztunnel
    extras[label="istio/extras.yaml"]
    istio -> extras
    tags[label="istio/tags.yaml"]
    istio -> tags
    fontsize="32"
    label = "ArgoCD Cluster";
  }

  subgraph cluster_1 {
    node [style=filled,color=white]
    subgraph cluster_istio {
        fontsize="24"
        label = "NS istio-system"
        istiod18[label="Istio 1.18.5 Control"]

func (c Clusters) Default() Cluster {
	return c[0]
}

// GetOrDefault returns the given cluster if non-nil. Otherwise returns the first
// Cluster in the list.
func (c Clusters) GetOrDefault(cluster Cluster) Cluster {
	if cluster != nil {
		return cluster
	}
	return c.Default()
}

// GetByName returns the Cluster with the given name or nil if it is not in the list.

func (a *KubeJWTAuthenticator) getKubeClient(clusterID cluster.ID) kubernetes.Interface {
	// first match local/primary cluster
	// or if clusterID is not sent (we assume that its a single cluster)
	if a.clusterID == clusterID || clusterID == "" {
		return a.kubeClient
	}

	// secondly try other remote clusters
	if a.remoteKubeClientGetter != nil {
		if res := a.remoteKubeClientGetter(clusterID); res != nil {
			return res
		}
	}

	}
	diff := difflib.UnifiedDiff{
		FromFile: "Istiod Clusters",
		A:        difflib.SplitLines(istiodBytes.String()),
		ToFile:   "Envoy Clusters",
		B:        difflib.SplitLines(envoyBytes.String()),
		Context:  c.context,
	}
	text, err := difflib.GetUnifiedDiffString(diff)
	if err != nil {
		return err
	}
	if text != "" {
		fmt.Fprintln(c.w, "Clusters Don't Match")
		fmt.Fprintln(c.w, text)
	} else {

func ErrorHandlerForCluster(clusterID cluster.ID) cache.WatchErrorHandler {
	mu.RLock()
	handler, ok := handlers[clusterID]
	mu.RUnlock()
	if ok {
		return handler
	}

	mu.Lock()
	defer mu.Unlock()
	clusterMetric := errorMetric.With(clusterLabel.Value(clusterID.String()))
	h := func(_ *cache.Reflector, err error) {
		clusterMetric.Increment()