docs: @Benchmark
    @BenchmarkMode(Mode.AverageTime)
    @OutputTimeUnit(TimeUnit.NANOSECONDS)
    public Span createRootSpan(Data data) {
      Span span =
          data.tracer
              .spanBuilderWithExplicitParent("RootSpan", null)
              .setRecordEvents(data.recorded)
              .setSampler(data.sampled ? Samplers.alwaysSample() : Samplers.neverSample())
              .startSpan();
      span.end();
      return span;
    }