{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"Res::Def(DefKind::Ctor(CtorOf::Variant,"}]}
            Res::Def(DefKind::Ctor(CtorOf::Variant, _), _) => {
            }
                err_extend = GenericsArgsErrExtend::DefVariant(segments);