ws.Produces(append(mediaTypes, streamMediaTypes...)...)
	ws.ApiVersion(a.group.GroupVersion.String())

	return ws
}

// calculate the storage gvk, the gvk objects are converted to before persisted to the etcd.
func getStorageVersionKind(storageVersioner runtime.GroupVersioner, storage rest.Storage, typer runtime.ObjectTyper) (schema.GroupVersionKind, error) {
	object := storage.New()
	fqKinds, _, err := typer.ObjectKinds(object)

	// thread safe as long as the volumes/claims there are not modified, they
	// must be cloned before any modification. These caches get updated both by
	// "xxx added/updated/deleted" events from etcd and by the controller when
	// it saves newer version to etcd.
	// Why local cache: binding a volume to a claim generates 4 events, roughly
	// in this order (depends on goroutine ordering):
	// - volume.Spec update
	// - volume.Status update

        },
        "storedVersions": {

	if err == errInvalidDecompressedSize {
		apiErr = ErrInvalidDecompressedSize
	}

	if apiErr != ErrNone {
		// If there was a match in the above switch case.
		return apiErr
	}

	// etcd specific errors, a key is always a bucket for us return
	// ErrNoSuchBucket in such a case.
	if errors.Is(err, dns.ErrNoEntriesFound) {
		return ErrNoSuchBucket
	}

	switch err.(type) {
	case StorageFull:

		return v, ok
	}
	return cache.iamUserPolicyMap.Load(name)
}

// GroupNotificationHandler - updates in-memory cache on notification of
// change (e.g. peer notification for object storage and etcd watch
// notification).
func (store *IAMStoreSys) GroupNotificationHandler(ctx context.Context, group string) error {
	cache := store.lock()
	defer store.unlock()

		testCases = append(testCases,
			newTestSuiteIAM(bt, false),
			newTestSuiteIAM(bt, true),
		)
	}
	for i, testCase := range testCases {
		etcdStr := ""
		if testCase.withEtcdBackend {
			etcdStr = " (with etcd backend)"
		}
		t.Run(
			fmt.Sprintf("Test: %d, ServerType: %s%s", i+1, testCase.serverType, etcdStr),
			func(t *testing.T) {
				runAllIAMSTSTests(testCase, &check{t, testCase.serverType})
			},
		)
	}
}