<?php
interface Plugg_User_Manager
{
    function onUserManagerPluginOptions($options);
    function userFetchIdentitiesByIds($userIds); 
    function userFetchIdentitiesSortbyId($limit, $offset, $order);
    function userFetchIdentitiesSortbyUsername($limit, $offset, $order);
    function userFetchIdentitiesSortbyName($limit, $offset, $order);
    function userFetchIdentitiesSortbyEmail($limit, $offset, $order);
    function userFetchIdentitiesSortbyUrl($limit, $offset, $order);
    function userFetchIdentityByUsername($userName);
    function userFetchIdentityByEmail($email); 
    function userCountIdentities();
}