func (u *UpgradeSeriesAPI) WatchUpgradeSeriesNotifications() (watcher.NotifyWatcher, error) {
	var results params.NotifyWatchResults
	args := params.Entities{
		Entities: []params.Entity{{Tag: u.tag.String()}},
	}
	err := u.facade.FacadeCall("WatchUpgradeSeriesNotifications", args, &results)
	if err != nil {
		return nil, err
	}
	if len(results.Results) != 1 {
		return nil, errors.Errorf("expected 1 result, got %d", len(results.Results))
	}
	result := results.Results[0]
	if result.Error != nil {
		return nil, result.Error
	}
	w := apiwatcher.NewNotifyWatcher(u.facade.RawAPICaller(), result)
	return w, nil
}
// WatchUpgradeSeriesNotifications returns a NotifyWatcher for observing the state of
// a series upgrade.
WatchUpgradeSeriesNotifications returns a NotifyWatcher for observing the state of
a series upgrade.
// WatchUpgradeSeriesNotifications returns a NotifyWatcher for observing the state of // a series upgrade .
func (u *UpgradeSeriesAPI) WatchUpgradeSeriesNotifications() (watcher.NotifyWatcher, error) {
	var results params.NotifyWatchResults
	args := params.Entities{
		Entities: []params.Entity{{Tag: u.tag.String()}},
	}
	err := u.facade.FacadeCall("WatchUpgradeSeriesNotifications", args, &results)
	if err != nil {
		return nil, err
	}
	if len(results.Results) != 1 {
		return nil, errors.Errorf("expected 1 result, got %d", len(results.Results))
	}
	result := results.Results[0]
	if result.Error != nil {
		return nil, result.Error
	}
	w := apiwatcher.NewNotifyWatcher(u.facade.RawAPICaller(), result)
	return w, nil
}
func ( u * UpgradeSeriesAPI ) WatchUpgradeSeriesNotifications ( ) ( watcher . NotifyWatcher , error ) { var results params . NotifyWatchResults args := params . Entities { Entities : [ ] params . Entity { { Tag : u . tag . String ( ) } } , } err := u . facade . FacadeCall ( " " , args , & results ) if err != nil { return nil , err } if len ( results . Results ) != 1 { return nil , errors . Errorf ( " " , len ( results . Results ) ) } result := results . Results [ 0 ] if result . Error != nil { return nil , result . Error } w := apiwatcher . NewNotifyWatcher ( u . facade . RawAPICaller ( ) , result ) return w , nil }
WatchUpgradeSeriesNotifications returns a NotifyWatcher for observing the state of
a series upgrade.
WatchUpgradeSeriesNotifications returns a NotifyWatcher for observing the state of a series upgrade .