// UpdateStorageVersions tries to update the StorageVersions of the recorded resources
	UpdateStorageVersions(kubeAPIServerClientConfig *rest.Config, apiserverID string)
	// PendingUpdate returns true if the StorageVersion of the given resource is still pending update.
	PendingUpdate(gr schema.GroupResource) bool
	// LastUpdateError returns the last error hit when updating the storage version of the given resource.
	LastUpdateError(gr schema.GroupResource) error

	// by preserving the oldest StartTime
	if status.pendingUpdate != nil && !status.pendingUpdate.StartTime.IsZero() && status.pendingUpdate.StartTime.Before(options.StartTime) {
		options.StartTime = status.pendingUpdate.StartTime
	}

	// notify the pod worker there is a pending update
	status.pendingUpdate = &options
	status.working = true

		// Non-persisted resources are not in the to-be-updated list, so they will pass.
		gr := schema.GroupResource{Group: requestInfo.APIGroup, Resource: requestInfo.Resource}
		if !svm.PendingUpdate(gr) {
			handler.ServeHTTP(w, req)
			return
		}

		gv := schema.GroupVersion{Group: requestInfo.APIGroup, Version: requestInfo.APIVersion}

			},
		},
		{
			desc: "orphaned terminating worker with pendingUpdate",
			podSyncStatus: &podSyncStatus{
				startedAt:     time.Unix(1, 0),
				terminatingAt: time.Unix(2, 0),
				finished:      false,
				fullname:      "fake-fullname",
				working:       true,
				pendingUpdate: &UpdatePodOptions{
					Pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: podUID, Name: "2"}},
				},

				}
				s, ok := w.podSyncStatuses[uid]
				if !ok || s.IsTerminationRequested() || s.IsTerminationStarted() || s.IsFinished() || s.IsWorking() || s.IsDeleted() || s.restartRequested || s.activeUpdate != nil || s.pendingUpdate == nil {
					t.Errorf("unexpected requested pod termination: %#v", s)
				}

				// expect that no sync calls are made, since the pod doesn't ever start