{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"TyKind::Ref(ref"}]}
        TyKind::Ref(ref lifetime, ref mutable_type) => {
        TyKind::Ptr(ref mutable_type) => try_visit!(visitor.visit_ty_unambig(mutable_type.ty)),
            try_visit!(visitor.visit_lifetime(lifetime));