{"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"ty::tls::with(|tcx|"}]}
                        ty::tls::with(|tcx| {
                    AggregateKind::Adt(adt_did, variant, args, _user_ty, _) => {
                            let variant_def = &tcx.adt_def(adt_did).variant(variant);