{"ast_node_type":"variable","tokens":[{"end":85,"kind":"keyword","start":0,"text":"let"}]}
                        let trait_args = GenericArgs::identity_for_item(tcx, def_id);
                    ty::AssocKind::Type { .. } if assoc_item.defaultness(tcx).has_value() => {
                        let _: Result<_, rustc_errors::ErrorGuaranteed> = check_type_bounds(