{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"ty::ConstKind::Param(_)"}]}
            ty::ConstKind::Param(_) | ty::ConstKind::Bound(_, _) | ty::ConstKind::Expr(_) => {
            // - `Expr` is part of `feature(generic_const_exprs)` and is not implemented yet
                panic!("unexpected const kind: {:?}", ct)