func MoveToFolderRelativeHostSystemID(client *govmomi.Client, ds *object.Datastore, hsID, relative string) error {
	hs, err := hostsystem.FromID(client, hsID)
	if err != nil {
		return err
	}
	f, err := folder.DatastoreFolderFromObject(client, hs, relative)
	if err != nil {
		return err
	}
	return folder.MoveObjectTo(ds.Reference(), f)
}
func MoveToFolderRelativeHostSystemID(client *govmomi.Client, ds *object.Datastore, hsID, relative string) error {
	hs, err := hostsystem.FromID(client, hsID)
	if err != nil {
		return err
	}
	f, err := folder.DatastoreFolderFromObject(client, hs, relative)
	if err != nil {
		return err
	}
	return folder.MoveObjectTo(ds.Reference(), f)
}
// MoveToFolderRelativeHostSystemID is a complex method that moves a
// datastore to a given datastore path, similar to MoveToFolder,
// except the path is relative to a HostSystem supplied by ID instead of the
// datastore.