// List returns a list object, with its resource version set.
func (f *FakeControllerSource) List() (runtime.Object, error) {
	f.lock.RLock()
	defer f.lock.RUnlock()
	list := make([]runtime.Object, 0, len(f.items))
	for _, obj := range f.items {
		// Must make a copy to allow clients to modify the object.
		// Otherwise, if they make a change and write it back, they
		// will inadvertently change the our canonical copy (in
		// addition to racing with other clients).
		objCopy, err := api.Scheme.DeepCopy(obj)
		if err != nil {
			return nil, err
		}
		list = append(list, objCopy.(runtime.Object))
	}
	listObj := &api.List{}
	if err := runtime.SetList(listObj, list); err != nil {
		return nil, err
	}
	objMeta, err := api.ListMetaFor(listObj)
	if err != nil {
		return nil, err
	}
	resourceVersion := len(f.changes)
	objMeta.ResourceVersion = strconv.Itoa(resourceVersion)
	return listObj, nil
}
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// UpdateList implements EtcdVersioner
func (a APIObjectVersioner) UpdateList(obj runtime.Object, resourceVersion uint64) error {
	listMeta, err := api.ListMetaFor(obj)
	if err != nil || listMeta == nil {
		return err
	}
	versionString := ""
	if resourceVersion != 0 {
		versionString = strconv.FormatUint(resourceVersion, 10)
	}
	listMeta.ResourceVersion = versionString
	return nil
}