{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::AsyncGen,"}]}
            Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::AsyncGen, _))
            self.coroutine_kind(def_id),
        )