chamilo-lms2/main/inc/lib/hook/interfaces/base/HookPluginInterface.php

<?php
/* For licensing terms, see /license.txt */
/**
 * This file contains all Hook interfaces and their relation.
 * They are used for Hook classes.
 *
 * @package chamilo.library.hook
 */

/**
 * Interface HookPluginInterface
 * This interface should be implemented by plugins to implements Hook Observer.
 */
interface HookPluginInterface
{
    /**
     * This method will call the Hook management insertHook to add Hook observer from this plugin.
     *
     * @return int
     */
    public function installHook();

    /**
     * This method will call the Hook management deleteHook to disable Hook observer from this plugin.
     *
     * @return int
     */
    public function uninstallHook();
}