result := make([]*core.TypedExtensionConfig, 0)
	if efw == nil {
		return result
	}
	hasName := sets.New(names...)
	for _, p := range efw.Patches[networking.EnvoyFilter_EXTENSION_CONFIG] {
		if p.Operation != networking.EnvoyFilter_Patch_ADD {
			continue
		}
		ec, ok := p.Value.(*core.TypedExtensionConfig)
		if !ok {

			TTL:    &metav1.Duration{Duration: 1234},
		},
	}
	obj.SkipPhases = nil
	obj.NodeRegistration.ImagePullPolicy = corev1.PullIfNotPresent
	obj.NodeRegistration.ImagePullSerial = ptr.To(true)
	obj.Patches = nil
	obj.DryRun = false
	kubeadm.SetDefaultTimeouts(&obj.Timeouts)
}

func fuzzNodeRegistration(obj *kubeadm.NodeRegistrationOptions, c fuzz.Continue) {
	c.FuzzNoCustom(obj)

        // There are finer grained version requirements, but we don't need to worry about them here, as we use latest patch versions
        if (javaVersion.isCompatibleWith(JavaVersion.VERSION_1_9)) {
            // All latest patches of 2.13 work on Java 9+
            // 2.12 in theory supports it, but doesn't actually take it as a -target so we can't use it
            return VersionCoverage.versionsAtLeast(SCALA_2, "2.13.0")
        }

		Short: "Upgrade the kubelet configuration for this node",
		Long:  kubeletConfigLongDesc,
		Run:   runKubeletConfigPhase(),
		InheritFlags: []string{
			options.DryRun,
			options.KubeconfigPath,
			options.Patches,
		},
	}
	return phase
}

func runKubeletConfigPhase() func(c workflow.RunData) error {
	return func(c workflow.RunData) error {
		data, ok := c.(Data)
		if !ok {

		Run:   runControlPlane(),
		InheritFlags: []string{
			options.DryRun,
			options.KubeconfigPath,
			options.CertificateRenewal,
			options.EtcdUpgrade,
			options.Patches,
		},
	}
	return phase
}

func runControlPlane() func(c workflow.RunData) error {
	return func(c workflow.RunData) error {
		data, ok := c.(Data)
		if !ok {

1\\lib\\launcher.jar;C:\\tcagent1\\lib\\log4j-1.2.12-json-layout-1.0.9.jar;C:\\tcagent1\\lib\\log4j-1.2.12.jar;C:\\tcagent1\\lib\\messages.jar;C:\\tcagent1\\lib\\nuget-utils.jar;C:\\tcagent1\\lib\\openapi.jar;C:\\tcagent1\\lib\\patches-impl.jar;C:\\tcagent1\\lib\\patches.jar;C:\\tcagent1\\lib\\processesTerminator.jar;C:\\tcagent1\\lib\\resources_en.jar;C:\\tcagent1\\lib\\runtime-util.jar;C:\\tcagent1\\lib\\server-logging.jar;C:\\tcagent1\\lib\\serviceMessages.jar;C:\\tcagent1\\lib\\slf4j-api-1.7...

	allErrs := field.ErrorList{}
	if c.Apply.Patches != nil {
		allErrs = append(allErrs, ValidateAbsolutePath(c.Apply.Patches.Directory, field.NewPath("patches").Child("directory"))...)
	}
	if c.Node.Patches != nil {
		allErrs = append(allErrs, ValidateAbsolutePath(c.Node.Patches.Directory, field.NewPath("patches").Child("directory"))...)
	}
	return allErrs
}

			Action: &route.Route_Route{
				Route: &route.RouteAction{
					PrefixRewrite: "/shared",
				},
			},
		},
	}
	type args struct {
		patchContext       networking.EnvoyFilter_PatchContext
		patches            map[networking.EnvoyFilter_ApplyTo][]*model.EnvoyFilterConfigPatchWrapper
		routeConfiguration *route.RouteConfiguration
		virtualHost        *route.VirtualHost
		routeIndex         int
		routesRemoved      *bool

			options.FileDiscovery,
			options.TokenDiscovery,
			options.TokenDiscoveryCAHash,
			options.TokenDiscoverySkipCAHash,
			options.TLSBootstrapToken,
			options.TokenStr,
			options.CertificateKey,
			options.Patches,
			options.DryRun,
		}
	case "download-certs":
		flags = []string{
			options.CfgPath,
			options.ControlPlane,
			options.FileDiscovery,
			options.TokenDiscovery,
			options.TokenDiscoveryCAHash,

	var (
		input          = []byte("bar: 0\nfoo: 0\n")
		patch          = []byte("bar: 1\n")
		expectedOutput = []byte("bar: 1\nfoo: 0\n")
	)

	dir, err := os.MkdirTemp("", "patches")
	if err != nil {
		t.Fatalf("could not create temp dir: %v", err)
	}
	defer os.RemoveAll(dir)

	if err := os.WriteFile(filepath.Join(dir, "kubeletconfiguration.yaml"), patch, 0644); err != nil {