{"ast_node_type":"function","tokens":[{"end":71,"kind":"keyword","start":0,"text":"fn"}]}
    fn record_lifetime_param(&mut self, id: NodeId, res: LifetimeRes) {
    #[instrument(level = "debug", skip(self))]
        if let Some(prev_res) = self.r.lifetimes_res_map.insert(id, res) {