{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"//"}]}
        // FIXME: walk path segment with `path_segment.hir_id` parent.
    fn visit_path_segment(&mut self, path_segment: &'hir PathSegment<'hir>) {
        self.insert(path_segment.ident.span, path_segment.hir_id, Node::PathSegment(path_segment));