>>>
class ObjectBenchmark extends ObservationBenchmarkBase {
  ObjectBenchmark(int objectCount, int mutationCount, String config) : super(
          'ObjectBenchmark:$objectCount:$mutationCount:$config', objectCount,
          mutationCount, config);
}
<<<
class ObjectBenchmark extends ObservationBenchmarkBase {
  ObjectBenchmark(int objectCount, int mutationCount, String config)
    : super(
        'ObjectBenchmark:$objectCount:$mutationCount:$config',
        objectCount,
        mutationCount,
        config,
      );
}