{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"ty::BoundRegionKind::Anon"}]}
                            ty::BoundRegionKind::Anon => sym::anon,
                        let reg_info = match br.kind {
                            ty::BoundRegionKind::Named(def_id) => tcx.item_name(def_id),