{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"debug!(?region_a_idx,"}]}
                debug!(?region_a_idx, ?region_b_idx);
            if region_known_to_outlive(tcx, item_def_id, param_env, wf_tys, *region_a, *region_b) {
                debug!("required clause: {region_a} must outlive {region_b}");