class B3Propagator implements TextMapPropagator {

  @Override
  public <C> void inject(Context context, C carrier, Setter<C> setter) {
    b3PropagatorInjector.inject(context, carrier, setter);
  }

  private  B3Propagator(
      B3PropagatorInjector b3PropagatorInjector, B3PropagatorExtractor b3PropagatorExtractor);

}