{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"if"}]}
            if ty_known_to_outlive(tcx, item_def_id, param_env, wf_tys, *ty, *region_a) {
            // In our example, requires that `Self: 'a`
                debug!(?ty_idx, ?region_a_idx);