protected override Channel <T> Visitor <T>(FilterChannel <T> channel) { _current = GetVertex(channel.GetHashCode(), () => "Filter", typeof(FilterChannel <T>), typeof(T)); if (_stack.Count > 0) { _edges.Add(new Edge(_stack.Peek(), _current, _current.TargetType.Name)); } return(WithVertex(() => base.Visitor(channel))); }