{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"ocx.register_obligation(Obligation::new(tcx,"}]}
        ocx.register_obligation(Obligation::new(tcx, cause.clone(), param_env, *predicate));
    for (predicate, cause) in &typeck_results.coroutine_stalled_predicates {
    }