<?php
/**
 * Copyright 2013-2017 Horde LLC (http://www.horde.org/)
 *
 * See the enclosed file COPYING for license information (GPL). If you
 * did not receive this file, see http://www.horde.org/licenses/gpl.
 *
 * @category  Horde
 * @copyright 2013-2017 Horde LLC
 * @license   http://www.fsf.org/copyleft/gpl.html GPL
 * @package   IMP
 */

/**
 * Interface for a contact avatar image backend.
 *
 * @author    Michael Slusarz <slusarz@horde.org>
 * @category  Horde
 * @copyright 2013-2017 Horde LLC
 * @license   http://www.horde.org/licenses/gpl GPL
 * @package   IMP
 */
interface IMP_Contacts_Avatar_Backend
{
    /**
     * URL of the contact avatar image.
     *
     * @param string $email  An email address.
     *
     * @return array  See IMP_Contacts_Image#getImage().
     */
    public function avatarImg($email);

}