cluster.constraints = std::move(member.constraints);

    // Add operation to the cluster.
    if (auto op = member.source.dyn_cast<Operation *>())
      cluster.operations.emplace_back(op);
  }

  llvm::SmallVector<Cluster> clusters;
  for (auto &kv : root_clusters) {
    Cluster &cluster = kv.getSecond();
    // Skip degenerate clusters formed by a single basic block argument.

    // We don't want to decluster F in a graph like
    //
    //   Input -> OP -> Shape -> F -> Reshape
    //
    // Doing so will break up the cluster.  Even if we were okay with breaking
    // up the cluster we will at least have to relabel the two clusters to have
    // different cluster names.
    //
    // We may want to revisit this in the future: we may have cases where OP is

            "If true then insert Print nodes to print out values produced by "
            "XLA clusters."),
       Flag("tf_xla_check_cluster_input_numerics",
            &build_ops_flags->tf_xla_check_cluster_input_numerics,
            "If true then insert CheckNumerics nodes to check all cluster "
            "inputs."),
       Flag("tf_xla_check_cluster_output_numerics",

// Flags common to the _Xla* ops and their kernels.
struct XlaOpsCommonFlags {
  // If true, _XlaCompile always refuses to compile the cluster, which means the
  // XLA clusters always run in the TF executor.  Defaults to false.
  bool tf_xla_always_defer_compilation;
  // If true, _XlaCompile compiles the cluster asynchronously with respect to
  // the main execution. The fallback path is taken while compilation happens.

				Weight: 42,
			},
		},
		wantWorkloadMetadata: []string{
			";ns;example;;cluster1a",
			";ns;example;;cluster1a",
			";ns;example;;cluster1b",
			";ns;example;;cluster4",
			";;;;cluster2a",
			";;;;cluster2b",
			";;;;cluster2b",
		},
	},
	{
		name:  "from_network1_cluster1b",
		proxy: makeProxy("network1", "cluster1b"),
		want: []xdstest.LocLbEpInfo{
			{
				LbEps: []xdstest.LbEpInfo{

func (p clusterPatcher) conditionallyAppend(l []*cluster.Cluster, hosts []host.Name, clusters ...*cluster.Cluster) []*cluster.Cluster {
	if !p.hasPatches() {
		return append(l, clusters...)
	}
	for _, c := range clusters {
		if patched := p.doPatch(hosts, c); patched != nil {
			l = append(l, patched)
		}
	}
	return l
}

func (p clusterPatcher) insertedClusters() []*cluster.Cluster {

	log.Infof("Deleting cluster_id=%v configured by secret=%v", cluster.ID, secretKey)
	cluster.Stop()
	c.handleDelete(cluster.ID)
	c.cs.Delete(secretKey, cluster.ID)

	log.Infof("Number of remote clusters: %d", c.cs.Len())
}

func (c *Controller) handleAdd(cluster *Cluster) []ComponentConstraint {
	syncers := make([]ComponentConstraint, 0, len(c.handlers))
	for _, handler := range c.handlers {

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

	"istio.io/api/annotation"
	meshconfig "istio.io/api/mesh/v1alpha1"
	"istio.io/istio/pkg/cluster"
	"istio.io/istio/pkg/config/kube"
	"istio.io/istio/pkg/config/protocol"
)

var (
	domainSuffix = "company.com"
	clusterID    = cluster.ID("test-cluster")
)

func TestConvertProtocol(t *testing.T) {
	http := "http"
	type protocolCase struct {
		port        int32

	clusterID := srcRegistry.Cluster()
	if len(dst.ClusterVIPs.GetAddressesFor(clusterID)) == 0 {
		newAddresses := src.ClusterVIPs.GetAddressesFor(clusterID)
		dst.ClusterVIPs.SetAddressesFor(clusterID, newAddresses)
	}
}

// NetworkGateways merges the service-based cross-network gateways from each registry.
func (c *Controller) NetworkGateways() []model.NetworkGateway {
	var gws []model.NetworkGateway

	}
	labels := labelutil.AugmentLabels(we.Labels, clusterID, locality, "", networkID)
	return &model.WorkloadInstance{
		Endpoint: &model.IstioEndpoint{
			Address: addr,
			// Not setting ports here as its done by k8s controller
			Network: network.ID(we.Network),
			Locality: model.Locality{
				Label:     locality,
				ClusterID: clusterID,
			},
			LbWeight:  we.Weight,
			Namespace: cfg.Namespace,