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.

					key:    key,
					values: sets.Set[string](volumeVSet),
				})
			}
		}
	}
	return podPVTopologies, nil
}

// PreFilterExtensions returns prefilter extensions, pod add and remove.
func (pl *VolumeZone) PreFilterExtensions() framework.PreFilterExtensions {
	return nil
}

// Filter invoked at the filter extension point.
//
// It evaluates if a pod can fit due to the volumes it requests, given

	// When it returns Skip status, returned PreFilterResult and other fields in status are just ignored,
	// and coupled Filter plugin/PreFilterExtensions() will be skipped in this scheduling cycle.
	PreFilter(ctx context.Context, state *CycleState, p *v1.Pod) (*PreFilterResult, *Status)
	// PreFilterExtensions returns a PreFilterExtensions interface if the plugin implements one,
	// or nil if it does not. A Pre-filter plugin can provide extensions to incrementally

		return nil, framework.NewStatus(framework.Skip)
	}

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

// PreFilterExtensions returns prefilter extensions, pod add and remove.
func (pl *PodTopologySpread) PreFilterExtensions() framework.PreFilterExtensions {
	return pl
}

// AddPod from pre-computed data in cycleState.

			unboundVolumesDelayBinding: podVolumeClaims.unboundVolumesDelayBinding,
		},
	})
	return result, nil
}

// PreFilterExtensions returns prefilter extensions, pod add and remove.
func (pl *VolumeBinding) PreFilterExtensions() framework.PreFilterExtensions {
	return nil
}

func getStateData(cs *framework.CycleState) (*stateData, error) {
	state, err := cs.Read(stateKey)
	if err != nil {

			return nil, nil
		}
	}

	return nil, framework.NewStatus(framework.Skip)
}

// PreFilterExtensions returns prefilter extensions, pod add and remove.
func (pl *CSILimits) PreFilterExtensions() framework.PreFilterExtensions {
	return nil
}

// Filter invoked at the filter extension point.

	return &foo{}, nil
}

func (*foo) PreFilter(_ context.Context, _ *framework.CycleState, _ *v1.Pod) (*framework.PreFilterResult, *framework.Status) {
	return nil, nil
}

func (*foo) PreFilterExtensions() framework.PreFilterExtensions {
	return nil
}

func (*foo) Filter(_ context.Context, _ *framework.CycleState, _ *v1.Pod, nodeInfo *framework.NodeInfo) *framework.Status {
	return nil

	}
	cycleState.Write(preFilterStateKey, computePodResourceRequest(pod))
	return nil, nil
}

// PreFilterExtensions returns prefilter extensions, pod add and remove.
func (f *Fit) PreFilterExtensions() framework.PreFilterExtensions {
	return nil
}

func getPreFilterState(cycleState *framework.CycleState) (*preFilterState, error) {
	c, err := cycleState.Read(preFilterStateKey)

	if !state.ShouldRecordPluginMetrics() {
		return pl.PreFilterExtensions().AddPod(ctx, state, podToSchedule, podInfoToAdd, nodeInfo)
	}
	startTime := time.Now()
	status := pl.PreFilterExtensions().AddPod(ctx, state, podToSchedule, podInfoToAdd, nodeInfo)