}
	cycleState.Write(preFilterStateKey, preFilterState(s))
	return nil, nil
}

// PreFilterExtensions do not exist for this plugin.
func (pl *NodePorts) PreFilterExtensions() framework.PreFilterExtensions {
	return nil
}

func getPreFilterState(cycleState *framework.CycleState) (preFilterState, error) {
	c, err := cycleState.Read(preFilterStateKey)
	if err != nil {
		// preFilterState doesn't exist, likely PreFilter wasn't invoked.

}

// getPreFilterState fetches a pre-computed preFilterState.
func getPreFilterState(cycleState *framework.CycleState) (*preFilterState, error) {
	c, err := cycleState.Read(preFilterStateKey)
	if err != nil {
		// preFilterState doesn't exist, likely PreFilter wasn't invoked.
		return nil, fmt.Errorf("reading %q from cycleState: %w", preFilterStateKey, err)
	}

	s, ok := c.(*preFilterState)
	if !ok {

}

// ScoreExtensions of the Score plugin.
func (f *Fit) ScoreExtensions() framework.ScoreExtensions {
	return nil
}

// preFilterState computed at PreFilter and used at Filter.
type preFilterState struct {
	framework.Resource
}

// Clone the prefilter state.
func (s *preFilterState) Clone() framework.StateData {
	return s
}

// preScoreState computed at PreScore and used at Score.

		nodes                     []*v1.Node
		existingPods              []*v1.Pod
		objs                      []runtime.Object
		defaultConstraints        []v1.TopologySpreadConstraint
		want                      *preFilterState
		wantPrefilterStatus       *framework.Status
		enableNodeInclusionPolicy bool
		enableMatchLabelKeys      bool
	}{
		{
			name: "clean cluster with one spreadConstraint",