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   1  <?php
   2  
   3  /**
   4   * Joomla! Content Management System
   5   *
   6   * @copyright   (C) 2005 Open Source Matters, Inc. <https://www.joomla.org>
   7   * @license     GNU General Public License version 2 or later; see LICENSE
   8   */
   9  
  10  namespace Joomla\CMS\MVC\Controller;
  11  
  12  // phpcs:disable PSR1.Files.SideEffects
  13  \defined('JPATH_PLATFORM') or die;
  14  // phpcs:enable PSR1.Files.SideEffects
  15  
  16  /**
  17   * Joomla Platform CMS Interface
  18   *
  19   * @since  4.0.0
  20   */
  21  interface ControllerInterface
  22  {
  23      /**
  24       * Execute a controller task.
  25       *
  26       * @param   string  $task  The task to perform.
  27       *
  28       * @return  mixed   The value returned by the called method.
  29       *
  30       * @since   4.0.0
  31       * @throws  \InvalidArgumentException
  32       * @throws  \RuntimeException
  33       */
  34      public function execute($task);
  35  }