func (pl *PodTopologySpread) PreFilter(ctx context.Context, cycleState *framework.CycleState, pod *v1.Pod) (*framework.PreFilterResult, *framework.Status) {
	s, err := pl.calPreFilterState(ctx, pod)
	if err != nil {
		return nil, framework.AsStatus(err)
	} else if s != nil && len(s.Constraints) == 0 {
		return nil, framework.NewStatus(framework.Skip)
	}

	cycleState.Write(preFilterStateKey, s)

	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)

		}
		status := convertContainerStatus(cStatus, oldStatusPtr)
		if utilfeature.DefaultFeatureGate.Enabled(features.InPlacePodVerticalScaling) {
			if status.State.Running != nil {
				status.Resources = convertContainerStatusResources(cName, status, cStatus, oldStatuses)
			}
		}
		if utilfeature.DefaultFeatureGate.Enabled(features.SupplementalGroupsPolicy) {
			status.User = convertContainerStatusUser(cStatus)
		}

		case gvk.GatewayClass:
			c.Status = kstatus.Wrap(&k8s.GatewayClassStatus{})
		case gvk.KubernetesGateway:
			c.Status = kstatus.Wrap(&k8s.GatewayStatus{})
		case gvk.HTTPRoute:
			c.Status = kstatus.Wrap(&k8s.HTTPRouteStatus{})
		case gvk.GRPCRoute:
			c.Status = kstatus.Wrap(&k8s.GRPCRouteStatus{})
		case gvk.TCPRoute:
			c.Status = kstatus.Wrap(&k8salpha.TCPRouteStatus{})
		case gvk.TLSRoute:

	}

	if status.State != runtimeapi.ContainerState_CONTAINER_CREATED {
		// If container is not in the created state, we have tried and
		// started the container. Set the StartedAt time.
		cStatus.StartedAt = time.Unix(0, status.StartedAt)
	}
	if status.State == runtimeapi.ContainerState_CONTAINER_EXITED {
		cStatus.Reason = status.Reason
		cStatus.Message = status.Message
		cStatus.ExitCode = int(status.ExitCode)

    reason: Programmed
    status: "True"
    type: Programmed
  listeners:
  - attachedRoutes: 1
    conditions:
    - lastTransitionTime: fake
      message: No errors found
      reason: Accepted
      status: "True"
      type: Accepted
    - lastTransitionTime: fake
      message: No errors found
      reason: NoConflicts
      status: "False"
      type: Conflicted

      status: "True"
      type: Accepted
    - lastTransitionTime: fake
      message: No errors found
      reason: NoConflicts
      status: "False"
      type: Conflicted
    - lastTransitionTime: fake
      message: No errors found
      reason: Programmed
      status: "True"
      type: Programmed
    - lastTransitionTime: fake
      message: No errors found
      reason: ResolvedRefs
      status: "True"

apiVersion: gateway.networking.k8s.io/v1beta1
kind: GatewayClass
metadata:
  creationTimestamp: null
  name: istio
  namespace: default
spec: null
status:
  conditions:
  - lastTransitionTime: fake
    message: Handled by Istio controller
    reason: Accepted
    status: "True"
    type: Accepted
  supportedFeatures:
  - HTTPRouteFeatureA
  - HTTPRouteFeatureB
---
apiVersion: gateway.networking.k8s.io/v1beta1
kind: Gateway

  group: groupValue
  kind: kindValue
  name: nameValue
  retryAfterSeconds: 5
  uid: uidValue
kind: Status
message: messageValue
metadata:
  continue: continueValue
  remainingItemCount: 4
  resourceVersion: resourceVersionValue
  selfLink: selfLinkValue
reason: reasonValue

-- expect --
SUCCESS
-- trace --
Trace Go1.22
EventBatch gen=1 m=0 time=0 size=11
ProcStatus dt=1 p=1 pstatus=1
GoStatus dt=1 g=1 m=0 gstatus=3
GoSyscallEndBlocked dt=1
EventBatch gen=1 m=1 time=0 size=18
ProcStatus dt=1 p=2 pstatus=1
GoStatus dt=1 g=2 m=1 gstatus=2
ProcStatus dt=1 p=0 pstatus=4
ProcSteal dt=1 p=0 p_seq=1 m=0
EventBatch gen=1 m=18446744073709551615 time=0 size=5
Frequency freq=15625000