protected virtual TailObjectMember VisitTailObjectMember(TailObjectMember node) { return VisitSyntaxNode(node) as TailObjectMember; }
protected override TailObjectMember VisitTailObjectMember(TailObjectMember node) { visitedTailObjectMember = true; Assert.IsTrue(node.ToString().StartsWith(",")); return base.VisitTailObjectMember(node); }