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<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Interface implemented by extension classes.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
interface Twig_ExtensionInterface
{
/**
* Returns the token parser instances to add to the existing list.
*
* @return Twig_TokenParserInterface[]
*/
public function getTokenParsers();
/**
* Returns the node visitor instances to add to the existing list.
*
* @return Twig_NodeVisitorInterface[]
*/
public function getNodeVisitors();
/**
* Returns a list of filters to add to the existing list.
*
* @return Twig_Filter[]
*/
public function getFilters();
/**
* Returns a list of tests to add to the existing list.
*
* @return Twig_Test[]
*/
public function getTests();
/**
* Returns a list of functions to add to the existing list.
*
* @return Twig_Function[]
*/
public function getFunctions();
/**
* Returns a list of operators to add to the existing list.
*
* @return array<array> First array of unary operators, second array of binary operators
*/
public function getOperators();
}
class_alias('Twig_ExtensionInterface', 'Twig\Extension\ExtensionInterface', false);
class_exists('Twig_Environment');
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