*out = *in
	out.TypeMeta = in.TypeMeta
	if in.Versions != nil {
		in, out := &in.Versions, &out.Versions
		*out = make([]GroupVersionForDiscovery, len(*in))
		copy(*out, *in)
	}
	out.PreferredVersion = in.PreferredVersion
	if in.ServerAddressByClientCIDRs != nil {
		in, out := &in.ServerAddressByClientCIDRs, &out.ServerAddressByClientCIDRs
		*out = make([]ServerAddressByClientCIDR, len(*in))
		copy(*out, *in)
	}
	return

	}

	resources := []*restmapper.APIGroupResources{
		{
			Group: metav1.APIGroup{
				Name: crd.Spec.Group,
				Versions: []metav1.GroupVersionForDiscovery{
					{Version: version},
				},
				PreferredVersion: metav1.GroupVersionForDiscovery{Version: version},
			},
			VersionedResources: map[string][]metav1.APIResource{
				version: groupResource.APIResources,
			},
		},
	}

				t.Errorf("[%d] unexpected group name at path %q: got=%q expected=%q", i, path, got, expected)
				continue
			}

			if got, expected := group.PreferredVersion.Version, info.PrioritizedVersions[0].Version; got != expected {
				t.Errorf("[%d] unexpected group version at path %q: got=%q expected=%q", i, path, got, expected)
				continue
			}
		}

					Name:             customV1.Group,
					Versions:         []metav1.GroupVersionForDiscovery{{GroupVersion: customV1.String(), Version: customV1.Version}},
					PreferredVersion: metav1.GroupVersionForDiscovery{GroupVersion: customV1.String(), Version: customV1.Version},
				}),
			},
			delegate: delegate,
		},
	}

	testcases := []struct {
		Name    string

			Version:      apiGroupInfo.PrioritizedVersions[0].Version,
		}
		apiGroup := metav1.APIGroup{
			Name:             apiGroupInfo.PrioritizedVersions[0].Group,
			Versions:         apiVersionsForDiscovery,
			PreferredVersion: preferredVersionForDiscovery,
		}

		s.DiscoveryGroupManager.AddGroup(apiGroup)
		s.Handler.GoRestfulContainer.Add(discovery.NewAPIGroupHandler(s.Serializer, apiGroup).WebService())
	}
	return nil
}

		mapper.Add(internalGroupVersion.WithKind("InternalObject"), RESTScopeNamespace)

		preferredVersions := []string{}
		for _, gv := range testCase.APIGroupVersions {
			preferredVersions = append(preferredVersions, gv.Version)
		}
		gk := schema.GroupKind{Group: testGroup, Kind: testCase.Kind}

		mapping, err := mapper.RESTMapping(gk, preferredVersions...)
		hasErr := err != nil
		if hasErr != testCase.Err {