{"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"TyKind::Tuple(_,"}]}
                TyKind::Tuple(_, substs) => {
            Struct | Variant(_) | UnionField => match ty.kind(Interner) {
                    let tys = substs.iter(Interner).map(|ty| ty.assert_ty_ref(Interner));