{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"this.r.lifetime_elision_allowed.insert(fn_id);"}]}
                this.r.lifetime_elision_allowed.insert(fn_id);
            let output_rib = if let Ok(res) = elision_lifetime.as_ref() {
                LifetimeRibKind::Elided(*res)