// optimization is skipped
	}

	w, err := e.Storage.Watch(ctx, key, storageOpts)
	if err != nil {
		return nil, err
	}
	if e.Decorator != nil {
		return newDecoratedWatcher(ctx, w, e.Decorator), nil
	}
	return w, nil
}

// calculateTTL is a helper for retrieving the updated TTL for an object or
// returning an error if the TTL cannot be calculated. The defaultTTL is