given:
        registry.registerInstance("foo", 12.toInteger())
        registry.realize("foo")
        registry.registerInstance("bar", new Bean())
        registry.mutate { it.path("bar").type(Bean).action(Integer, action) }
        action.execute(_, 12) >> { bean, value -> bean.value = "[12]" }

        expect:
        registry.realize("bar", Bean).value == "[12]"
    }

        registry.addProvider(provider)

        expect:
        registry.get(Integer).is(registry.get(Integer))
        registry.get(Number).is(registry.get(Number))

        and:
        registry.get(String).is(registry.get(String))
    }

    def usesProviderDecoratorMethodToDecorateParentServiceInstance() {
        def parent = Mock(ParentServices)
        def registry = new DefaultServiceRegistry(registry(parent))

# yarn lockfile v1


"@colors/colors@1.5.0":
  version "1.5.0"
  resolved "https://registry.yarnpkg.com/@colors/colors/-/colors-1.5.0.tgz#bb504579c1cae923e6576a4f5da43d25f97bdbd9"
  integrity sha512-ooWCrlZP11i8GImSjTHYHLkvFDP48nS4+204nGb1RiX/WXYHmJA2III9/e2DWVabCESdW7hBAEzHRqUn9OUVvQ==

"@discoveryjs/json-ext@^0.5.0":
  version "0.5.7"
  resolved "https://registry.yarnpkg.com/@discoveryjs/json-ext/-/json-ext-0.5.7.tgz#1d572bfbbe14b7704e0ba0f39b74815b84870d70"

        }
        throw new IllegalArgumentException(String.format("Service registry %s cannot be used as a parent for another service registry.", serviceRegistry));
    }

    /**
     * Creates a service registry that uses the given providers.
     */
    public static ServiceRegistry create(ServiceRegistrationProvider... providers) {
        DefaultServiceRegistry registry = new DefaultServiceRegistry();

	// Stores VS hosts that don't correspond to services in the registry
	// Currently, the only use for this list is to enable VirtualService configuration to affect
	// traffic to hosts outside of the service registry (e.g. google.com) on port 80
	nonServiceRegistryHosts := make([]string, 0)
	// Stores services for this VirtualService that are in the registry (based on hostname)
	matchingRegistryServices := make([]*model.Service, 0)

	"k8s.io/apimachinery/pkg/watch"
	"k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager"
	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
	"k8s.io/apiserver/pkg/features"
	"k8s.io/apiserver/pkg/registry/generic"
	"k8s.io/apiserver/pkg/registry/rest"
	"k8s.io/apiserver/pkg/storage"
	storeerr "k8s.io/apiserver/pkg/storage/errors"
	"k8s.io/apiserver/pkg/storage/etcd3/metrics"
	"k8s.io/apiserver/pkg/util/dryrun"

// XDSUpdater is used for direct updates of the xDS model and incremental push.
// Pilot uses multiple registries - for example each K8S cluster is a registry
// instance. Each registry is responsible for tracking a set
// of endpoints associated with mesh services, and calling the EDSUpdate on changes.
// A registry may group endpoints for a service in smaller subsets - for example by

- Kubectl support both:
  - kubectl create secret docker-registry <NAME> --from-file=<path/to/.docker/config.json>
  - kubectl create secret docker-registry <NAME> --from-file=.dockerconfigjson=<path/to/.docker/config.json> ([#119589](https://github.com/kubernetes/kubernetes/pull/119589), [@carlory](https://github.com/carlory)) [SIG CLI]

					"*": true,
				},
			},
			registryOnly: true,
		},
		{
			name:                  "no sidecar config with virtual services with no service in registry",
			routeName:             "80", // no service for the host in registry; use port 80 by default
			sidecarConfig:         nil,
			virtualServiceConfigs: []*config.Config{&virtualService3},
			expectedHosts: map[string]map[string]bool{

			},
		},
		{
			name:       "MeshConfig registry only, Sidecar with registry only",
			meshConfig: meshConfigWithRegistryOnly,
			sidecar:    configRegistryOnly,
			outboundTrafficPolicy: &networking.OutboundTrafficPolicy{
				Mode: networking.OutboundTrafficPolicy_REGISTRY_ONLY,
			},
		},
		{
			name:       "MeshConfig registry only, Sidecar with allow any",
			meshConfig: meshConfigWithRegistryOnly,