{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"debug!(?ty_idx,"}]}
                debug!(?ty_idx, ?region_a_idx);
            if ty_known_to_outlive(tcx, item_def_id, param_env, wf_tys, *ty, *region_a) {
                debug!("required clause: {ty} must outlive {region_a}");