{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"self.coroutine_hidden_types(def_id)"}]}
        self.coroutine_hidden_types(def_id)
    ) -> ty::EarlyBinder<'tcx, ty::Binder<'tcx, ty::CoroutineWitnessTypes<TyCtxt<'tcx>>>> {
    }