vm2 = &fakeInstance{Cluster: cls2, Namespace: echo1NS, Service: "vm", DeployAsVM: true}
	// headless
	headless1 = &fakeInstance{Cluster: cls1, Namespace: echo1NS, Service: "headless", Headless: true}
	headless2 = &fakeInstance{Cluster: cls2, Namespace: echo1NS, Service: "headless", Headless: true}
	// naked pod (uninjected)

	Version string

	// Locality (k8s only) indicates the locality of the deployed app.
	Locality string

	// Headless (k8s only) indicates that no ClusterIP should be specified.
	Headless bool

	// StatefulSet indicates that the pod should be backed by a StatefulSet. This implies Headless=true
	// as well.
	StatefulSet bool

	// StaticAddress for some echo implementations is an address locally reachable within

	}

	headless := echo.Config{
		Service:         HeadlessSvc,
		ServiceAccount:  true,
		Headless:        true,
		Ports:           ports.Headless(),
		Subsets:         []echo.SubsetConfig{{}},
		IncludeExtAuthz: c.IncludeExtAuthz,
	}

	stateful := echo.Config{
		Service:         StatefulSetSvc,
		ServiceAccount:  true,
		Headless:        true,
		StatefulSet:     true,

			desc:     "nothing",
			ipFamily: v1.IPv4Protocol,

			service:  nil,
			expected: map[ServicePortName]*BaseServicePortInfo{},
		},
		{
			desc:     "headless service",
			ipFamily: v1.IPv4Protocol,

			service: makeTestService("ns2", "headless", func(svc *v1.Service) {
				svc.Spec.Type = v1.ServiceTypeClusterIP
				svc.Spec.ClusterIP = v1.ClusterIPNone

) {
    init {
        // We depend on swing (indirectly through PSI or something), so we want to declare headless mode,
        // to avoid accidentally starting the UI thread. But, don't set it if it was set externally.
        if (System.getProperty("java.awt.headless") == null) {
            System.setProperty("java.awt.headless", "true")
        }
        setupIdeaStandaloneExecution()
    }

		cb.applyHBONETransportSocketMatches(c.cluster, tls, istioAutodetectedMtls)
	} else if c.cluster.GetType() != cluster.Cluster_ORIGINAL_DST {
		// For headless service, discovery type will be `Cluster_ORIGINAL_DST`
		// Apply auto mtls to clusters excluding these kind of headless services.
		if istioAutodetectedMtls {
			// convert to transport socket matcher if the mode was auto detected
			transportSocket := c.cluster.TransportSocket

					expectMTLS: notNaked,
					// Since we are doing pass-through, all requests will stay in the same cluster,
					// as we are bypassing Istio load balancing.
					// TODO(https://github.com/istio/istio/issues/39700): Why does headless behave differently?
					expectCrossCluster: and(notFromNaked, or(toHeadless, toStatefulSet)),
					expectCrossNetwork: never,
					expectSuccess:      always,
					minIstioVersion:    integIstioVersion,
				},

	esLabels := ep.GetLabels()
	if !endpointSliceSelector.Matches(klabels.Set(esLabels)) {
		return
	}
	// Update internal endpoint cache no matter what kind of service, even headless service.
	// As for gateways, the cluster discovery type is `EDS` for headless service.
	namespacedName := getServiceNamespacedName(ep)
	log.Debugf("Handle EDS endpoint %s %s in namespace %s", namespacedName.Name, event, namespacedName.Namespace)

        buildFile("""
            def oldValue = System.setProperty("java.awt.headless", "true")
            println("previous value = \$oldValue")

            // Attempt to capture the modified property value.
            println("configuration time value=\${System.getProperty("java.awt.headless")}")

            tasks.register("printProperty") {
                doLast {

  // a workload that backs a Kubernetes service will typically have only endpoints. A
  // workload that backs a headless Kubernetes service, however, will have both
  // addresses as well as a hostname used for direct access to the headless endpoint.
  // TODO: support this field
  string hostname = 21;