{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"Some(CoroutineKind::Async"}]}
            Some(CoroutineKind::Async { .. }) => {}
        match coroutine_kind {
            Some(CoroutineKind::Gen { span, .. }) | Some(CoroutineKind::AsyncGen { span, .. }) => {