{"ast_node_type":"variable","tokens":[{"end":98,"kind":"keyword","start":0,"text":"if"}]}
                        if let LifetimeRibKind::AnonymousCreateParameter { binder, .. } = rib.kind
                        // Consider any anonymous lifetimes, too
                            && let Some(extra) = self.r.extra_lifetime_params_map.get(&binder)