}
		}

		// Check for duplicate hosts
		// Duplicates include literal duplicates as well as wildcard duplicates
		// E.g., *.foo.com, and *.com are duplicates in the same virtual service
		if allHostsValid {
			for i := 0; i < len(virtualService.Hosts); i++ {
				hostI := host.Name(virtualService.Hosts[i])
				for j := i + 1; j < len(virtualService.Hosts); j++ {
					hostJ := host.Name(virtualService.Hosts[j])

    shortNames:
    - se
    singular: serviceentry
  scope: Namespaced
  versions:
  - additionalPrinterColumns:
    - description: The hosts associated with the ServiceEntry
      jsonPath: .spec.hosts
      name: Hosts
      type: string
    - description: Whether the service is external to the mesh or part of the mesh
        (MESH_EXTERNAL or MESH_INTERNAL)
      jsonPath: .spec.location

spec:
  exportTo:
  - '.'
  hosts:
  - d
  http:
  - route:
    - destination:
        host: c
        subset: v1`
	validVirtualService2JSON = `{
"apiVersion": "networking.istio.io/v1alpha3",
"kind": "VirtualService",
"metadata": {
	"name": "valid-virtual-service2"
},
"spec": {
	"exportTo": [
	"."
	],
	"hosts": [
	"d"
	],
	"http": [
	{
		"route": [

      "servicePort": "servicePortValue",
      "resource": {
        "apiGroup": "apiGroupValue",
        "kind": "kindValue",
        "name": "nameValue"
      }
    },
    "tls": [
      {
        "hosts": [
          "hostsValue"
        ],
        "secretName": "secretNameValue"
      }
    ],
    "rules": [
      {
        "host": "hostValue",
        "http": {
          "paths": [
            {

      "servicePort": "servicePortValue",
      "resource": {
        "apiGroup": "apiGroupValue",
        "kind": "kindValue",
        "name": "nameValue"
      }
    },
    "tls": [
      {
        "hosts": [
          "hostsValue"
        ],
        "secretName": "secretNameValue"
      }
    ],
    "rules": [
      {
        "host": "hostValue",
        "http": {
          "paths": [
            {

            kind: kindValue
            name: nameValue
          serviceName: serviceNameValue
          servicePort: servicePortValue
        path: pathValue
        pathType: pathTypeValue
  tls:
  - hosts:
    - hostsValue
    secretName: secretNameValue
status:
  loadBalancer:
    ingress:
    - hostname: hostnameValue
      ip: ipValue
      ports:
      - error: errorValue
        port: 1

		return nil
	}
	return envoyfilter.ApplyClusterMerge(p.pctx, p.efw, c, hosts)
}

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

		},
		Spec: &networking.Gateway{
			Servers: []*networking.Server{
				{
					Port: &networking.Port{
						Number:   80,
						Protocol: "HTTP",
						Name:     "http",
					},
					Hosts: []string{"*.example.com"},
				},
			},
		},
	},
}

var updateConfigSet = []*config.Config{
	{
		Meta: config.Meta{
			Name:             "magic",
			GroupVersionKind: gvk.Gateway,
		},

	// Kubernetes Gateway API semantics support shortnames
	if UseGatewaySemantics(config.Config{Meta: meta}) {
		return
	}

	// resolve top level hosts
	for i, h := range rule.Hosts {
		rule.Hosts[i] = string(ResolveShortnameToFQDN(h, meta))
	}
	// resolve gateways to bind to
	for i, g := range rule.Gateways {
		if g != constants.IstioMeshGateway {

#    default built-in spec (system.DefaultSpec) will be used.
#  IMAGES: For REMOTE=true only.  Comma delimited list of images for creating
#    remote hosts to run tests against.  Defaults to a recent image.
#  HOSTS: For REMOTE=true only.  Comma delimited list of running gce hosts to
#    run tests against.  Defaults to "".
#  DELETE_INSTANCES: For REMOTE=true only.  Delete any instances created as