{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"ocx.register_obligation(Obligation::new(tcx,"}]}
    ocx.register_obligation(Obligation::new(tcx, misc_cause.clone(), param_env, predicate));
        ty::Binder::dummy(ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(hidden_ty.into())));