{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"hir::TyKind::Tup(fields)"}]}
            hir::TyKind::Tup(fields) => {
            hir::TyKind::Never => tcx.types.never,
                Ty::new_tup_from_iter(tcx, fields.iter().map(|t| self.lower_ty(t)))