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PHP

<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Plugin;
use Composer\Composer;
use Composer\IO\IOInterface;
/**
* Plugin interface
*
* @author Nils Adermann <naderman@naderman.de>
*/
interface PluginInterface
{
/**
* Version number of the internal composer-plugin-api package
*
* This is used to denote the API version of Plugin specific
* features, but is also bumped to a new major if Composer
* includes a major break in internal APIs which are susceptible
* to be used by plugins.
*
* @var string
*/
public const PLUGIN_API_VERSION = '2.3.0';
/**
* Apply plugin modifications to Composer
*
* @param Composer $composer
* @param IOInterface $io
*
* @return void
*/
public function activate(Composer $composer, IOInterface $io);
/**
* Remove any hooks from Composer
*
* This will be called when a plugin is deactivated before being
* uninstalled, but also before it gets upgraded to a new version
* so the old one can be deactivated and the new one activated.
*
* @param Composer $composer
* @param IOInterface $io
*
* @return void
*/
public function deactivate(Composer $composer, IOInterface $io);
/**
* Prepare the plugin to be uninstalled
*
* This will be called after deactivate.
*
* @param Composer $composer
* @param IOInterface $io
*
* @return void
*/
public function uninstall(Composer $composer, IOInterface $io);
}