public function basicQos($prefetchSize, $prefetchCount, $aGlobal)
    {
        $args = $this->frameBuilder->basicQos(
            $prefetchSize, $prefetchCount, $aGlobal
        );
        $this->sendMethodFrame(array(60, 10), $args);
        return $this->wait(
            array(
                 "60,11" //Channel.basicQosOk
            )
        );
    }