code: protected function start(InputInterface $input, OutputInterface $output, $serviceClass, $prefix)
      {
          $benchmark = new CommandBenchmark($output);
          $benchmark->start();
  
          /** @var PipelineStarter $service */
          $service = $this->getContainer()->get($serviceClass);
          $factory = $service->getPipelineFactory();
          $factory->setProgressBar(new ProgressBar($output));
          $service->startPipeline($prefix, $input->getArgument('target'));
  
          $benchmark->finish();
      }
docs: Starts service with provided parameters.
  
  @param InputInterface  $input
  @param OutputInterface $output
  @param string          $serviceClass
  @param string          $prefix