code: protected function execute(InputInterface $input, OutputInterface $output)
      {
          $service_name = $input->getArgument('service');
          if (!$this->getContainer()->has($service_name)) {
              $output->writeln(sprintf('<error>The service "%s" does not exist.</error>', $service_name));
  
              return 1;
          }
          $service = $this->getContainer()->get($service_name);
          if (!$service instanceof StorableInterface) {
              $output->writeln(sprintf('<error>The service "%s" is not a storable object.</error>', $service_name));
  
              return 2;
          }
  
          $service->delete();
          $output->writeln('Done.');
      }
docs: {@inheritdoc}