if len(s) == 0 {
		return nil, framework.NewStatus(framework.Skip)
	}
	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)

	return pl.Result, pl.Status
}

// PreFilterExtensions no extensions implemented by this plugin.
func (pl *FakePreFilterPlugin) PreFilterExtensions() framework.PreFilterExtensions {
	return nil
}

// NewFakePreFilterPlugin initializes a fakePreFilterPlugin and returns it.