<?php

/*
 * This file is part of Twig.
 *
 * (c) 2009 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
abstract class Twig_Extension implements Twig_ExtensionInterface
{
  /**
   * {@inheritdoc}
   *
   * @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_InitRuntimeInterace instead
   */
  public function initRuntime(Twig_Environment $environment) {}

  /**
   * {@inheritdoc}
   */
  public function getTokenParsers()
  {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getNodeVisitors()
  {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getFilters()
  {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getTests()
  {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getFunctions()
  {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getOperators()
  {
    return [];
  }

  /**
   * {@inheritdoc}
   *
   * @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_GlobalsProviderInterace instead
   */
  public function getGlobals()
  {
    return [];
  }
}
