"/pods":    {cs: getContainerStats(), ns: getNetworkStats()},
	}

	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()
	mockStatsProvider := statstest.NewMockProvider(mockCtrl)

	mockStatsProvider.EXPECT().GetNode().Return(node, nil)
	mockStatsProvider.EXPECT().GetNodeConfig().Return(nodeConfig)
	mockStatsProvider.EXPECT().GetPodCgroupRoot().Return(cgroupRoot)
	mockStatsProvider.EXPECT().ListPodStats(ctx).Return(podStats, nil).AnyTimes()

     */
    Optional<MetadataSnapshot> getSnapshot(VfsRelativePath relativePath, CaseSensitivity caseSensitivity);

    Optional<FileSystemNode> getNode(VfsRelativePath relativePath, CaseSensitivity caseSensitivity);

    /**
     * Stores information to the virtual file system that we have learned about.
     *

        Collection<NodeState> implicitCapabilityProviders = candidate.getImplicitCapabilityProviders();
        nodes.addAll(implicitCapabilityProviders);
        NodeState node = candidate.getNode();
        if (nodes.add(node) && nodes.size() > 1) {
            // The registered nodes may contain nodes which are no longer selected.
            // We don't remove them from the list in the first place because it proved to be

	//
	// GetPodByName returns the spec of the pod with the name in the specified
	// namespace.
	GetPodByName(namespace, name string) (*v1.Pod, bool)
	// GetNode returns the spec of the local node.
	GetNode() (*v1.Node, error)
	// GetNodeConfig returns the configuration of the local node.
	GetNodeConfig() cm.NodeConfig
	// ListVolumesForPod returns the stats of the volume used by the pod with
	// the podUID.

     */
    public BindingPredicate getPredicate() {
        return predicate;
    }

    public boolean isBound() {
        return boundTo != null;
    }

    public ModelNodeInternal getNode() {
        if (boundTo == null) {
            throw new IllegalStateException("Target node has not been bound.");
        }
        return boundTo;
    }

    @Override
    public String toString() {

  // Find the _Retval node and the loop cond node.
  Node* ret_node = nullptr;
  for (Node* n : g->nodes()) {
    if (n->type_string() == "_Retval") {
      if (ret_node) {
        return errors::Internal("Multiple return node for loop cond function ",
                                loop_cond_func->name(), ": ",
                                ret_node->DebugString(), " and ",
                                n->DebugString());

        this.node = node;
        this.nodeValidator = nodeValidator;
        this.buildOperationRunner = buildOperationRunner;
        this.accessHierarchies = accessHierarchies;
    }

    public Node getNode() {
        return node;
    }

    @Override
    public String toString() {
        return "Resolve mutations for " + node;
    }

    @Nullable
    @Override
    public Throwable getNodeFailure() {

        }

        actualIds == expectedIds
    }

    CapabilitiesConflictHandler.Candidate candidate(CapabilityInternal cap, ComponentState co) {
        Mock(CapabilitiesConflictHandler.Candidate) {
            getNode() >> node(co)
            getCapability() >> cap
            getImplicitCapabilityProviders() >> []
        }
    }

    ComponentState component(String group="group", String name="name", String version="1.0") {

	const (
		istioVersionKey  = "ISTIO_VERSION"
		istioProxyShaKey = "ISTIO_PROXY_SHA"
	)

	md := bootstrapDump.GetBootstrap().GetNode().GetMetadata().GetFields()

	if versionPB, ok := md[istioVersionKey]; ok {
		version = versionPB.GetStringValue()
	}
	if shaPB, ok := md[istioProxyShaKey]; ok {
		sha = shaPB.GetStringValue()

        UnboundRuleInput.Builder builder = UnboundRuleInput.type(reference.getType());
        ModelPath path;
        if (binding.isBound()) {
            builder.bound();
            path = binding.getNode().getPath();
        } else {
            path = reference.getPath();
            if (path != null) {
                builder.suggestions(CollectionUtils.stringize(suggestionsProvider.transform(path)));
            }