code: func (statefulSetStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
  	statefulSet := obj.(*apps.StatefulSet)
  	// create cannot set status
  	statefulSet.Status = apps.StatefulSetStatus{}
  
  	statefulSet.Generation = 1
  
  	pod.DropDisabledTemplateFields(&statefulSet.Spec.Template, nil)
  }
docs: // PrepareForCreate clears the status of an StatefulSet before creation.