class B3Propagator implements TextMapPropagator {

  @Override
  public <C> Context extract(Context context, C carrier, Getter<C> getter) {
    return b3PropagatorExtractor.extract(context, carrier, getter);
  }

  private  B3Propagator(
      B3PropagatorInjector b3PropagatorInjector, B3PropagatorExtractor b3PropagatorExtractor);

}