{"ast_node_type":"enum","tokens":[{"end":38,"kind":"keyword","start":0,"text":"enum"}]}
        enum TyMaybeWithLayout<'tcx> {
    fn ty_and_layout_field(this: TyAndLayout<'tcx>, cx: &C, i: usize) -> TyAndLayout<'tcx> {
            Ty(Ty<'tcx>),