private function convertUpdateReportAcknowledgements($request)
    {

        $parameters = array();
        $parameters['Action'] = 'UpdateReportAcknowledgements';
        if ($request->isSetMarketplace()) {
            $parameters['Marketplace'] = $request->getMarketplace();
        }
        if ($request->isSetMerchant()) {
            $parameters['Merchant'] = $request->getMerchant();
        }
        if ($request->isSetReportIdList()) {
            $reportIdList = $request->getReportIdList();
            foreach ($reportIdList->getId() as $idIndex => $id) {
                $parameters['ReportIdList' . '.' . 'Id' . '.' . ($idIndex + 1)] = $id;
            }
        }
        if ($request->isSetAcknowledged()) {
            $parameters['Acknowledged'] = $request->getAcknowledged() ? "true" : "false";
        }
        if ($request->isSetMWSAuthToken()) {
            $parameters['MWSAuthToken'] = $request->getMWSAuthToken();
        }

        return array(CONVERTED_PARAMETERS_KEY => $parameters, CONVERTED_HEADERS_KEY => $this->defaultHeaders);
    }