protected function _createMailbox(Horde_Imap_Client_Mailbox $mailbox, $opts)
{
$cmd = $this->_command('CREATE')->add($this->_getMboxFormatOb($mailbox));
// RFC 6154 Sec. 3
if (!empty($opts['special_use'])) {
$use = new Horde_Imap_Client_Data_Format_List('USE');
$use->add(new Horde_Imap_Client_Data_Format_List($opts['special_use']));
$cmd->add($use);
}
// CREATE returns no untagged information (RFC 3501 [6.3.3])
$this->_sendCmd($cmd);
}