{"ast_node_type":"function","tokens":[{"end":49,"kind":"keyword","start":0,"text":"fn"}]}
        fn visit_ty(&mut self, ty: &'a ast::Ty) {
    impl<'a, 'b> visit::Visitor<'a> for Visitor<'a, 'b> {
            let stack_len = self.bound_generic_params_stack.len();