public function queue_purge($queue = '', $nowait = false, $ticket = null)
    {
        $ticket = $this->getTicket($ticket);
        list($class_id, $method_id, $args) = $this->protocolWriter->queuePurge($ticket, $queue, $nowait);

        $this->send_method_frame(array($class_id, $method_id), $args);

        if ($nowait) {
            return null;
        }

        return $this->wait(array(
            $this->waitHelper->get_wait('queue.purge_ok')
        ), false, $this->channel_rpc_timeout);
    }