class SpanBuilderSdk implements Span.Builder {

  @Override
  public Span.Builder setAttribute(String key, String value) {
    return setAttribute(stringKey(key), value);
  }

    SpanBuilderSdk(
      String spanName,
      InstrumentationLibraryInfo instrumentationLibraryInfo,
      SpanProcessor spanProcessor,
      TraceConfig traceConfig,
      Resource resource,
      IdsGenerator idsGenerator,
      Clock clock);

}