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  1. <?php
  2. /*
  3. * This file is part of the Symfony package.
  4. *
  5. * (c) Fabien Potencier <fabien@symfony.com>
  6. *
  7. * For the full copyright and license information, please view the LICENSE
  8. * file that was distributed with this source code.
  9. */
  10. namespace Symfony\Component\HttpKernel;
  11. /**
  12. * Allows the Kernel to be rebooted using a temporary cache directory.
  13. *
  14. * @author Nicolas Grekas <p@tchwork.com>
  15. */
  16. interface RebootableInterface
  17. {
  18. /**
  19. * Reboots a kernel.
  20. *
  21. * The getBuildDir() method of a rebootable kernel should not be called
  22. * while building the container. Use the %kernel.build_dir% parameter instead.
  23. *
  24. * @param string|null $warmupDir pass null to reboot in the regular build directory
  25. */
  26. public function reboot(?string $warmupDir);
  27. }