{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"ty::BoundRegionKind::Anon"}]}
                    ty::BoundRegionKind::Anon | ty::BoundRegionKind::ClosureEnv => {
                    ty::BoundRegionKind::Named(def_id) => def_id,
                        let guar = self