{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":".map_or_else(error_lifetime,"}]}
                    .map_or_else(error_lifetime, |&lr| self.lower_lifetime(lr));
                    .as_ref()
                TyKind::Ref(lower_to_chalk_mutability(ref_.mutability), lifetime, inner_ty)