{"ast_node_type":"other","tokens":[{"end":17,"kind":"keyword","start":0,"text":"}"}]}
                }
                    CanonicalVarKind::Ty(CanonicalTyVarKind::General(reverse_universe_map[&u]))
                CanonicalVarKind::Region(u) => CanonicalVarKind::Region(reverse_universe_map[&u]),