c.Spec = in
		_, _ = validation.ValidateProxyConfig(c)
	case 11:
		in := &telemetry.Telemetry{}
		err = f.GenerateStruct(in)
		if err != nil {
			return 0
		}
		c.Spec = in
		_, _ = validation.ValidateTelemetry(c)
	case 12:
		in := &extensions.WasmPlugin{}
		err = f.GenerateStruct(in)
		if err != nil {
			return 0
		}
		c.Spec = in
		_, _ = validation.ValidateWasmPlugin(c)
	}
	return 1

		ProtoPackage: "istio.io/api/telemetry/v1alpha1", StatusPackage: "istio.io/api/meta/v1alpha1",
		ClusterScoped: false,
		Synthetic:     false,
		Builtin:       false,
		ValidateProto: validation.ValidateTelemetry,
	}.MustBuild()

	VirtualService = resource.Builder{
		Identifier: "VirtualService",
		Group:      "networking.istio.io",
		Kind:       "VirtualService",
		Plural:     "virtualservices",

		ProtoPackage: "istio.io/api/telemetry/v1alpha1", StatusPackage: "istio.io/api/meta/v1alpha1",
		ClusterScoped: false,
		Synthetic:     false,
		Builtin:       false,
		ValidateProto: validation.ValidateTelemetry,
	}.MustBuild()

	UDPRoute = resource.Builder{
		Identifier: "UDPRoute",
		Group:      "gateway.networking.k8s.io",
		Kind:       "UDPRoute",
		Plural:     "udproutes",
		Version:    "v1alpha2",

	if concurrency < 0 {
		v = appendErrorf(v, "concurrency must be greater than or equal to 0")
	}
	return
}

// ValidateTelemetry validates a Telemetry.
var ValidateTelemetry = RegisterValidateFunc("ValidateTelemetry",
	func(cfg config.Config) (Warning, error) {
		spec, ok := cfg.Spec.(*telemetry.Telemetry)
		if !ok {
			return nil, fmt.Errorf("cannot cast to telemetry")
		}

					},
				},
			},
			"only one of targetRefs or workloadSelector can be set", "",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			warn, err := ValidateTelemetry(config.Config{
				Meta: config.Meta{
					Name:      someName,
					Namespace: someNamespace,
				},
				Spec: tt.in,
			})
			checkValidationMessage(t, warn, err, tt.warning, tt.err)
		})