private final Class<? extends T> type;
    private final Object[] extraArgs;
    private final Instantiator instantiator;

    public ReflectiveNamedDomainObjectFactory(Class<? extends T> type, Instantiator instantiator, Object... extraArgs) {
        this.type = type;
        this.instantiator = instantiator;
        this.extraArgs = extraArgs;
    }

    @Override
    public T create(String name) {

    }

    static class ExtraArgs implements Named {
        String name
        int arg1
        int arg2

        ExtraArgs(name, arg1, arg2) {
            this.name = name
            this.arg1 = arg1
            this.arg2 = arg2
        }
    }

    def "can supply extra args"() {
        given:
        type = ExtraArgs
        extraArgs = [1, 2]

        when:

	out.ExtraEnvs = []kubeadm.EnvVar{}
	out.ExtraArgs = convertToArgs(in.ExtraArgs)
	return autoConvert_v1beta3_LocalEtcd_To_kubeadm_LocalEtcd(in, out, s)
}

// Convert_kubeadm_LocalEtcd_To_v1beta3_LocalEtcd converts a private LocalEtcd to public LocalEtcd.
func Convert_kubeadm_LocalEtcd_To_v1beta3_LocalEtcd(in *kubeadm.LocalEtcd, out *LocalEtcd, s conversion.Scope) error {
	out.ExtraArgs = convertFromArgs(in.ExtraArgs)

        dataDir: /tmp/kind-cluster-etcd
    # We run single node, drop leader election to reduce overhead
    controllerManager:
      extraArgs:
        leader-elect: "false"
    scheduler:
      extraArgs:
        leader-elect: "false"
    apiServer:
      extraArgs:
        "service-account-issuer": "kubernetes.default.svc"
        "service-account-signing-key-file": "/etc/kubernetes/pki/sa.key"
containerdConfigPatches:

                                  'hosts',
                                  ExtraArgs={'ServerSideEncryption': 'AES256'})

# Upload with server side encryption, using temporary credentials
s3.meta.client.upload_file('/etc/hosts',
                           'testbucket',
                           'hosts',
                           ExtraArgs={'ServerSideEncryption': 'AES256'})

# Download encrypted object using temporary credentials

      dataDir: /tmp/kind-cluster-etcd
  # We run single node, drop leader election to reduce overhead
  controllerManager:
    extraArgs:
      leader-elect: "false"
  scheduler:
    extraArgs:
      leader-elect: "false"
  apiServer:
    extraArgs:
      "service-account-issuer": "kubernetes.default.svc"
      "service-account-signing-key-file": "/etc/kubernetes/pki/sa.key"
containerdConfigPatches:
- |-

				ControllerManager: kubeadmapi.ControlPlaneComponent{
					ExtraArgs: []kubeadmapi.Arg{},
				},
			},
			expected: "127.0.0.1",
		},
		{
			desc: "setting controller manager extra address arg to something acknowledges it",
			cfg: &kubeadmapi.ClusterConfiguration{
				ControllerManager: kubeadmapi.ControlPlaneComponent{
					ExtraArgs: []kubeadmapi.Arg{

        def extraArgs = []
        if (AGP_VERSIONS.isAgpNightly(agpVersion)) {
            def init = AGP_VERSIONS.createAgpNightlyRepositoryInitScript()
            extraArgs += ["-I", init.canonicalPath]
        }
        return runner.withArguments([runner.arguments, extraArgs].flatten())

//   - Replace the existing string/string extra argument maps with structured extra arguments that support duplicates.
//     The change applies to `ClusterConfiguration` - `APIServer.ExtraArgs, `ControllerManager.ExtraArgs`,
//     `Scheduler.ExtraArgs`, `Etcd.Local.ExtraArgs`. Also to `NodeRegistrationOptions.KubeletExtraArgs`.
//   - Add `ClusterConfiguration.EncryptionAlgorithm` that can be used to set the asymmetric encryption algorithm

					ControlPlaneComponent: kubeadmapi.ControlPlaneComponent{
						ExtraArgs: []kubeadmapi.Arg{
							{Name: "secure-port", Value: "1111"},
						},
					},
				},
				ControllerManager: kubeadmapi.ControlPlaneComponent{
					ExtraArgs: []kubeadmapi.Arg{
						{Name: "secure-port", Value: "2222"},
					},
				},
				Scheduler: kubeadmapi.ControlPlaneComponent{
					ExtraArgs: []kubeadmapi.Arg{
						{Name: "secure-port", Value: "3333"},