{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"match"}]}
            match (r1_outlives_r2, r2_outlives_r1) {
            let r2_outlives_r1 = self.universal_region_relations.outlives(r2, r1);
                (true, true) => r1.min(r2),