{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"ty::BoundRegionKind::Named(def_id)"}]}
                    ty::BoundRegionKind::Named(def_id) => def_id,
                self.vars.insert(match br.kind {
                    ty::BoundRegionKind::Anon | ty::BoundRegionKind::ClosureEnv => {