{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"mir.coroutine_layout_raw().ok_or_else(||"}]}
            mir.coroutine_layout_raw().ok_or_else(|| self.layout_error(LayoutError::Unknown(ty())))
        if coroutine_kind_ty.is_unit() {
        } else {