{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"(GenericArgKind::Lifetime(a),"}]}
                (GenericArgKind::Lifetime(a), GenericArgKind::Lifetime(b)) => {
            values: match (a.kind(), b.kind()) {
                    ValuePairs::Regions(ExpectedFound::new(a, b))