assertThat(graphAsMutableGraph.addNode(N1)).isTrue();
    assertThat(graph.nodes()).contains(N1);
  }

  @Test
  public void addNode_existingNode() {
    assume().that(graphIsMutable()).isTrue();

    addNode(N1);
    ImmutableSet<Integer> nodes = ImmutableSet.copyOf(graph.nodes());
    assertThat(graphAsMutableGraph.addNode(N1)).isFalse();

	"k8s.io/kubernetes/pkg/volume/util/types"
)

// Calls AddNode() once.
// Verifies node exists, and zero volumes to attach.
func Test_AddNode_Positive_NewNode(t *testing.T) {
	// Arrange
	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
	dsw := NewDesiredStateOfWorld(volumePluginMgr)
	nodeName := k8stypes.NodeName("node-name")

	// Act
	dsw.AddNode(nodeName)

	// Assert
	nodeExists := dsw.NodeExists(nodeName)

        rulesByInput = new NodeAtStateIndex("rulesByInput");
    }

    public void nodeCreated(ModelNodeInternal node) {
        untypedPathReferences.addNode(node);
    }

    public void nodeDiscovered(ModelNodeInternal node) {
        typedPathReferences.addNode(node);
        scopeReferences.addNodeToScope(node.getPath(), node);
        scopeReferences.addNodeToScope(node.getPath().getParent(), node);
    }

}

func TestDesiredTTL(t *testing.T) {
	testCases := []struct {
		addNode      bool
		deleteNode   bool
		nodeCount    int
		desiredTTL   int
		boundaryStep int
		expectedTTL  int
	}{
		{
			addNode:      true,
			nodeCount:    0,
			desiredTTL:   0,
			boundaryStep: 0,
			expectedTTL:  0,
		},
		{
			addNode:      true,
			nodeCount:    99,
			desiredTTL:   0,
			boundaryStep: 0,

        return this;
    }

    public PopularWordsRequestBuilder addTag(final String tag) {
        request.addTag(tag);
        return this;
    }

    public PopularWordsRequestBuilder addRole(final String role) {
        request.addRole(role);
        return this;
    }

    public PopularWordsRequestBuilder addField(final String field) {
        request.addField(field);
        return this;
    }

        return this;
    }

    public SuggestRequestBuilder addTag(final String tag) {
        request.addTag(tag);
        return this;
    }

    public SuggestRequestBuilder addRole(final String role) {
        request.addRole(role);
        return this;
    }

    public SuggestRequestBuilder addField(final String field) {
        request.addField(field);
        return this;
    }

	volumeSpec.PersistentVolume.Spec.AccessModes = []v1.PersistentVolumeAccessMode{v1.ReadWriteMany}
	nodeName1 := k8stypes.NodeName("node-name1")
	nodeName2 := k8stypes.NodeName(volumetesting.MultiAttachNode)
	dsw.AddNode(nodeName1)
	dsw.AddNode(nodeName2)

	generatedVolumeName, podAddErr := dsw.AddPod(types.UniquePodName(podName1), controllervolumetesting.NewPod(podName1, podName1), volumeSpec, nodeName1)
	if podAddErr != nil {

            for (TarArchiveEntry tarEntry = getNextEntry(tarInputStream); tarEntry != null; tarEntry = getNextEntry(tarInputStream)) {
                addMode(tarEntry.name, tarEntry.mode)
                if (tarEntry.directory) {
                    continue
                }
                def tarEntryContent = getContentForEntry(tarEntry, tarInputStream, contentCharset)

		intreeToCSITranslator:    csiTranslator,
	}

	//add the given node to the list of nodes managed by dsw
	dswp.desiredStateOfWorld.AddNode(k8stypes.NodeName(pod.Spec.NodeName))
	logger, _ := ktesting.NewTestContext(t)
	dswp.findAndAddActivePods(logger)

	expectedVolumeName := v1.UniqueVolumeName(generatedVolumeName)

            << ", type: " << n->type_string();
    // Ignore the status returned by the shape_refiner. We want the best effort
    // shapes, even if no shape function is registered for a node.
    Status status = shape_refiner->AddNode(n);
    if (!status.ok()) {
      VLOG(1) << "Shape inference failed for node " << n->name() << ": "
              << status;
    } else {
      shape_inference::InferenceContext* context = shape_refiner->GetContext(n);