<?php

namespace Composer\Installer;

/**
 * Package Events.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class PackageEvents
{
	/**
	 * The PRE_PACKAGE_INSTALL event occurs before a package is installed.
	 *
	 * The event listener method receives a Composer\Installer\PackageEvent instance.
	 *
	 * @var string
	 */
	public const PRE_PACKAGE_INSTALL = 'pre-package-install';

	/**
	 * The POST_PACKAGE_INSTALL event occurs after a package is installed.
	 *
	 * The event listener method receives a Composer\Installer\PackageEvent instance.
	 *
	 * @var string
	 */
	public const POST_PACKAGE_INSTALL = 'post-package-install';

	/**
	 * The PRE_PACKAGE_UPDATE event occurs before a package is updated.
	 *
	 * The event listener method receives a Composer\Installer\PackageEvent instance.
	 *
	 * @var string
	 */
	public const PRE_PACKAGE_UPDATE = 'pre-package-update';

	/**
	 * The POST_PACKAGE_UPDATE event occurs after a package is updated.
	 *
	 * The event listener method receives a Composer\Installer\PackageEvent instance.
	 *
	 * @var string
	 */
	public const POST_PACKAGE_UPDATE = 'post-package-update';

	/**
	 * The PRE_PACKAGE_UNINSTALL event occurs before a package has been uninstalled.
	 *
	 * The event listener method receives a Composer\Installer\PackageEvent instance.
	 *
	 * @var string
	 */
	public const PRE_PACKAGE_UNINSTALL = 'pre-package-uninstall';

	/**
	 * The POST_PACKAGE_UNINSTALL event occurs after a package has been uninstalled.
	 *
	 * The event listener method receives a Composer\Installer\PackageEvent instance.
	 *
	 * @var string
	 */
	public const POST_PACKAGE_UNINSTALL = 'post-package-uninstall';
}
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