{"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":")"}]}
    ) -> TyAndLayout<'a, Self>;
        variant_index: VariantIdx,
    fn ty_and_layout_field(this: TyAndLayout<'a, Self>, cx: &C, i: usize) -> TyAndLayout<'a, Self>;