code: func NewEmptyTree() *Tree {
  	t := &Tree{config: &config.Config{}}
  
  	// We do this dummy load so that the tree is marked as "loaded". It
  	// should never fail because this is just about a no-op. If it does fail
  	// we panic so we can know its a bug.
  	if err := t.Load(&Storage{Mode: GetModeGet}); err != nil {
  		panic(err)
  	}
  
  	return t
  }
docs: // NewEmptyTree returns a new tree that is empty (contains no configuration).