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   1  <?php
   2  
   3  /**
   4   * Joomla! Content Management System
   5   *
   6   * @copyright  (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
   7   * @license    GNU General Public License version 2 or later; see LICENSE.txt
   8   */
   9  
  10  namespace Joomla\CMS\Fields;
  11  
  12  // phpcs:disable PSR1.Files.SideEffects
  13  \defined('JPATH_PLATFORM') or die;
  14  // phpcs:enable PSR1.Files.SideEffects
  15  
  16  /**
  17   * The fields service.
  18   *
  19   * @since  4.0.0
  20   */
  21  interface FieldsServiceInterface
  22  {
  23      /**
  24       * Returns a valid section for the given section. If it is not valid then null
  25       * is returned.
  26       *
  27       * @param   string  $section  The section to get the mapping for
  28       * @param   object  $item     The item
  29       *
  30       * @return  string|null  The new section
  31       *
  32       * @since   4.0.0
  33       */
  34      public function validateSection($section, $item = null);
  35  
  36      /**
  37       * Returns valid contexts.
  38       *
  39       * @return  array
  40       *
  41       * @since   4.0.0
  42       */
  43      public function getContexts(): array;
  44  }