code: public void configureHttpPipeline(ChannelPipeline pipeline, TargetHandler targetHandler) {
          pipeline.addLast(Constants.HTTP_CLIENT_CODEC, new HttpClientCodec());
          addCommonHandlers(pipeline);
          pipeline.addLast(Constants.BACK_PRESSURE_HANDLER, new BackPressureHandler());
          pipeline.addLast(Constants.TARGET_HANDLER, targetHandler);
      }
docs: Creates pipeline for http requests.
  
  @param pipeline      the client channel pipeline
  @param targetHandler the target handler