code: public final HttpClient doAfterRequest(BiConsumer<? super HttpClientRequest, ? super Connection> doAfterRequest) {
  		Objects.requireNonNull(doAfterRequest, "doAfterRequest");
  		return new HttpClientDoOn(this, null, doAfterRequest, null, null);
  	}
docs: Setup a callback called when {@link HttpClientRequest} has been sent
  
  @param doAfterRequest a consumer observing connected events
  
  @return a new {@link HttpClient}