public virtual TResult VisitNode(GraphMemberInfoNodeViewModel graphMemberInfo, TInput input) => DefaultVisit(graphMemberInfo, input);
public virtual TResult VisitNode(GraphMemberInfoNodeViewModel graphMemberInfo) => DefaultVisit(graphMemberInfo);
public virtual IEnumerable <TreeNodeViewModel> VisitNodeAndBuildChildren(GraphMemberInfoNodeViewModel graphMemberInfo, bool expandChildren, CancellationToken cancellation) => Enumerable.Empty <TreeNodeViewModel>();