<?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.
 */
namespace OTGS\Toolset\Twig\Extension;

use OTGS\Toolset\Twig\NodeVisitor\NodeVisitorInterface;
use OTGS\Toolset\Twig\TokenParser\TokenParserInterface;
use OTGS\Toolset\Twig\TwigFilter;
use OTGS\Toolset\Twig\TwigFunction;
use OTGS\Toolset\Twig\TwigTest;

/**
 * Interface implemented by extension classes.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
interface ExtensionInterface
{
    /**
     * Initializes the runtime environment.
     *
     * This is where you can load some file that contains filter functions for instance.
     *
     * @deprecated since 1.23 (to be removed in 2.0), implement \Twig_Extension_InitRuntimeInterface instead
     */
    public function initRuntime(\OTGS\Toolset\Twig\Environment $environment);
    /**
     * Returns the token parser instances to add to the existing list.
     *
     * @return TokenParserInterface[]
     */
    public function getTokenParsers();
    /**
     * Returns the node visitor instances to add to the existing list.
     *
     * @return NodeVisitorInterface[]
     */
    public function getNodeVisitors();
    /**
     * Returns a list of filters to add to the existing list.
     *
     * @return TwigFilter[]
     */
    public function getFilters();
    /**
     * Returns a list of tests to add to the existing list.
     *
     * @return TwigTest[]
     */
    public function getTests();
    /**
     * Returns a list of functions to add to the existing list.
     *
     * @return TwigFunction[]
     */
    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();
    /**
     * Returns a list of global variables to add to the existing list.
     *
     * @return array An array of global variables
     *
     * @deprecated since 1.23 (to be removed in 2.0), implement \Twig_Extension_GlobalsInterface instead
     */
    public function getGlobals();
    /**
     * Returns the name of the extension.
     *
     * @return string The extension name
     *
     * @deprecated since 1.26 (to be removed in 2.0), not used anymore internally
     */
    public function getName();
}
\class_alias('OTGS\\Toolset\\Twig\\Extension\\ExtensionInterface', 'OTGS\\Toolset\\Twig_ExtensionInterface');
// Ensure that the aliased name is loaded to keep BC for classes implementing the typehint with the old aliased name.
\class_exists('OTGS\\Toolset\\Twig\\Environment');
