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 JWKSetInterface) {
              $output->writeln(sprintf('<error>The service "%s" is not a key set.</error>', $service_name));
  
              return 2;
          }
  
          if (!$service instanceof RotatableInterface) {
              $output->writeln(sprintf('<error>The service "%s" is not a rotatable key set.</error>', $service_name));
  
              return 3;
          }
  
          $mtime = $service->getLastModificationTime();
  
          if (null === $mtime) {
              $service->regen();
              $output->writeln('Done.');
          } elseif ($mtime + $input->getArgument('ttl') <= time()) {
              $service->rotate();
              $output->writeln('Done.');
          } else {
              $output->writeln(sprintf('The key set "%s" has not expired.', $service_name));
          }
      }
docs: {@inheritdoc}