protected function _setQuota(Horde_Imap_Client_Mailbox $root, $resources)
{
$limits = new Horde_Imap_Client_Data_Format_List();
foreach ($resources as $key => $val) {
$limits->add(array(Horde_String::upper($key), new Horde_Imap_Client_Data_Format_Number($val)));
}
$this->_sendCmd($this->_command('SETQUOTA')->add(array($this->_getMboxFormatOb($root), $limits)));
}