nodeInfo, err := pl.handle.SnapshotSharedLister().NodeInfos().Get(nodeName)
	if err != nil {
		return 0, framework.AsStatus(fmt.Errorf("getting node %q from Snapshot: %w", nodeName, err))
	}

	nodeInfos, err := pl.handle.SnapshotSharedLister().NodeInfos().List()
	if err != nil {
		return 0, framework.AsStatus(err)
	}
	totalNumNodes := len(nodeInfos)

	// The failedNodes and failedAndUnresolvableNodes optionally contains the list
	// of failed nodes and failure reasons, except nodes in the latter are
	// unresolvable.
	Filter(pod *v1.Pod, nodes []*NodeInfo) (filteredNodes []*NodeInfo, failedNodesMap extenderv1.FailedNodesMap, failedAndUnresolvable extenderv1.FailedNodesMap, err error)

	// Prioritize based on extender-implemented priority functions. The returned scores & weight

	nodeInfo, err := pl.handle.SnapshotSharedLister().NodeInfos().Get(nodeName)
	if err != nil {
		return 0, framework.AsStatus(fmt.Errorf("getting node %q from Snapshot: %w", nodeName, err))
	}
	node := nodeInfo.Node()

	s, err := getPreScoreState(state)
	if err != nil {
		return 0, framework.AsStatus(err)
	}

// Fits checks if the pod fits the node.
func Fits(pod *v1.Pod, nodeInfo *framework.NodeInfo) bool {
	return fitsPorts(getContainerPorts(pod), nodeInfo)
}

func fitsPorts(wantPorts []*v1.ContainerPort, nodeInfo *framework.NodeInfo) bool {
	// try to see whether existingPorts and wantPorts will conflict or not
	existingPorts := nodeInfo.UsedPorts
	for _, cp := range wantPorts {

}

// Filter invoked at the filter extension point.
func (pl *FakeFilterPlugin) Filter(_ context.Context, _ *framework.CycleState, pod *v1.Pod, nodeInfo *framework.NodeInfo) *framework.Status {
	atomic.AddInt32(&pl.NumFilterCalled, 1)

	if returnCode, ok := pl.FailedNodeReturnCodeMap[nodeInfo.Node().Name]; ok {
		return framework.NewStatus(returnCode, fmt.Sprintf("injecting failure for pod %v", pod.Name))
	}

	return nil
}

  for (const std::string& cur_node : custom_nodes) {
    const std::vector<std::string> node_infos = absl::StrSplit(cur_node, '=');
    const std::string& node_name = node_infos[0];
    const std::string& node_specification = node_infos[1];
    CustomOpInfo new_node_info;
    switch (update_option) {
      case CustomOpUpdateOptions::kInputIndices: {

	Addresses       []NodeAddressApplyConfiguration        `json:"addresses,omitempty"`
	DaemonEndpoints *NodeDaemonEndpointsApplyConfiguration `json:"daemonEndpoints,omitempty"`
	NodeInfo        *NodeSystemInfoApplyConfiguration      `json:"nodeInfo,omitempty"`
	Images          []ContainerImageApplyConfiguration     `json:"images,omitempty"`
	VolumesInUse    []v1.UniqueVolumeName                  `json:"volumesInUse,omitempty"`

					{
						ObjectMeta: metav1.ObjectMeta{Name: "node1"},
						Status: v1.NodeStatus{
							NodeInfo: v1.NodeSystemInfo{
								KubeletVersion: "v1.28.0",
							},
						},
					},
					{
						ObjectMeta: metav1.ObjectMeta{Name: "node2"},
						Status: v1.NodeStatus{
							NodeInfo: v1.NodeSystemInfo{
								KubeletVersion: "v1.28.1",
							},
						},
					},
					{

        resourceVersion: resourceVersionValue
        uid: uidValue
  daemonEndpoints:
    kubeletEndpoint:
      Port: 1
  images:
  - names:
    - namesValue
    sizeBytes: 2
  nodeInfo:
    architecture: architectureValue
    bootID: bootIDValue
    containerRuntimeVersion: containerRuntimeVersionValue
    kernelVersion: kernelVersionValue
    kubeProxyVersion: kubeProxyVersionValue

        resourceVersion: resourceVersionValue
        uid: uidValue
  daemonEndpoints:
    kubeletEndpoint:
      Port: 1
  images:
  - names:
    - namesValue
    sizeBytes: 2
  nodeInfo:
    architecture: architectureValue
    bootID: bootIDValue
    containerRuntimeVersion: containerRuntimeVersionValue
    kernelVersion: kernelVersionValue
    kubeProxyVersion: kubeProxyVersionValue