"server_features" : ["xds_v3"]
    }
  ],
  "node": {
    "id": "sidecar~127.0.1.1~echo.test~cluster.local",
    "metadata": {
      "INSTANCE_IPS": "127.0.1.1",
      "PILOT_SAN": [
        "istiod.istio-system.svc"
      ],
      "GENERATOR": "grpc",
      "NAMESPACE": "test"
    },
    "localisty": {},
    "UserAgentVersionType": "istiov1"
  },
  "certificate_providers": {

  "node": {
    "id": "sidecar~127.0.0.1~pod1.fake-namespace~fake-namespace.svc.cluster.local",
    "metadata": {
      "GENERATOR": "grpc",
      "INSTANCE_IPS": "127.0.0.1",
      "ISTIO_VERSION": "version",
      "PILOT_SAN": [
        "istiod.istio-system.svc"
      ]
    },
    "locality": {},
    "UserAgentVersionType": null
  },
  "certificate_providers": {
    "default": {
      "plugin_name": "file_watcher",

)

func ProxyConfig(value *model.NodeMetaProxyConfig) Instance {
	return newOption("config", value)
}

func PilotSubjectAltName(value []string) Instance {
	return newOption("pilot_SAN", value).withConvert(sanConverter(value))
}

func ConnectTimeout(value *durationpb.Duration) Instance {
	return newDurationOption("connect_timeout", value)
}

func Cluster(value string) Instance {