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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpKernel;
  13  
  14  /**
  15   * Allows the Kernel to be rebooted using a temporary cache directory.
  16   *
  17   * @author Nicolas Grekas <p@tchwork.com>
  18   */
  19  interface RebootableInterface
  20  {
  21      /**
  22       * Reboots a kernel.
  23       *
  24       * The getCacheDir() method of a rebootable kernel should not be called
  25       * while building the container. Use the %kernel.cache_dir% parameter instead.
  26       *
  27       * @param string|null $warmupDir pass null to reboot in the regular cache directory
  28       */
  29      public function reboot($warmupDir);
  30  }