public ResponseList<Tab> getInstalledTabs(String pageId, List<String> appIds, Reading reading) throws FacebookException {
        ensureAuthorizationEnabled();
        String _appIds = z_F4JInternalStringUtil.join(appIds.toArray(new String[appIds.size()]), ",");
        return factory.createTabList(get(buildEndpoint(pageId, "tabs/" + _appIds, reading)));
    }