enabled by default.
  You can read https://kep.k8s.io/4420 for more details. ([#124673](https://github.com/kubernetes/kubernetes/pull/124673), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery]

#endif

// Use this annotation at the end of a struct/class definition to
// prevent the compiler from optimizing away instances that are never
// used.  This is useful when all interesting logic happens inside the
// c'tor and / or d'tor.  Example:
//
//   struct Foo {
//     Foo() { ... }
//   } GTEST_ATTRIBUTE_UNUSED_;
//
// Also use it after a variable or parameter declaration to tell the

#endif

// Use this annotation at the end of a struct/class definition to
// prevent the compiler from optimizing away instances that are never
// used.  This is useful when all interesting logic happens inside the
// c'tor and / or d'tor.  Example:
//
//   struct Foo {
//     Foo() { ... }
//   } GTEST_ATTRIBUTE_UNUSED_;
//
// Also use it after a variable or parameter declaration to tell the

	if v, ok := patch[directiveMarker]; ok {
		return handleDirectiveInMergeMap(v, patch)
	}

	// nil is an accepted value for original to simplify logic in other places.
	// If original is nil, replace it with an empty map and then apply the patch.
	if original == nil {
		original = map[string]interface{}{}
	}

	portNames, ips []string, refs []*corev1.ObjectReference, labels map[string]string,
) {
	if labels == nil {
		labels = make(map[string]string)
	}
	// Add the reference to the service. Used by EndpointSlice logic only.
	labels[discovery.LabelServiceName] = name

	if refs == nil {
		refs = make([]*corev1.ObjectReference, len(ips))
	}
	var portNum int32 = 1001
	eas := make([]corev1.EndpointAddress, 0)

			ipFamilies: ipv4ipv6,
			service: v1.Service{
				Spec: v1.ServiceSpec{
					ClusterIP:  v1.ClusterIPNone,
					IPFamilies: []v1.IPFamily{v1.IPv6Protocol}, // <- set by a api-server defaulting logic
				},
			},
			expectedEndpointFamily: ipv6,
		},
		{
			name:       "v6 legacy headless service, in a dual stack cluster  (connected to a old api-server)",
			ipFamilies: ipv4ipv6,

	if err != nil {
		panic(err)
	}
	rootCAs := x509.NewCertPool()
	rootCAs.AddCert(cert)

	config := testConfig.Clone()
	// Use GetClientCertificate to bypass the client certificate selection logic.
	config.GetClientCertificate = func(*CertificateRequestInfo) (*Certificate, error) {
		return &Certificate{
			Certificate: [][]byte{testRSAPSSCertificate},
			PrivateKey:  testRSAPrivateKey,
		}, nil
	}

			fmt.Fprintln(os.Stderr, "testing: warning: no tests to run")
			if testingTesting && *match != "^$" {
				// If this happens during testing of package testing it could be that
				// package testing's own logic for when to run a test is broken,
				// in which case every test will run nothing and succeed,
				// with no obvious way to detect this problem (since no tests are running).

  // the first test in the current test case.
  static bool HasSameFixtureClass();

  // Runs the test after the test fixture has been set up.
  //
  // A sub-class must implement this to define the test logic.
  //
  // DO NOT OVERRIDE THIS FUNCTION DIRECTLY IN A USER PROGRAM.
  // Instead, use the TEST or TEST_F macro.
  virtual void TestBody() = 0;

  // Sets up, executes, and tears down the test.
  void Run();

				// TODO(rFindley) The check for token.RBRACE below is a targeted fix
				//                to error recovery sufficient to make the x/tools tests to
				//                pass with the new parsing logic introduced for type
				//                parameters. Remove this once error recovery has been
				//                more generally reconsidered.
				if p.tok != token.RBRACE {
					p.next() // make progress
				}