private function convertSubmitFeed($request)
    {

        $parameters = array();
        $parameters['Action'] = 'SubmitFeed';
        if ($request->isSetMarketplace()) {
            $parameters['Marketplace'] = $request->getMarketplace();
        }
        if ($request->isSetMerchant()) {
            $parameters['Merchant'] = $request->getMerchant();
        }
        if ($request->isSetMarketplaceIdList()) {
            $marketplaceIdList = $request->getMarketplaceIdList();
            foreach ($marketplaceIdList->getId() as $idIndex => $id) {
                $parameters['MarketplaceIdList.Id.' . ($idIndex + 1)] = $id;
            }
        }
        if ($request->isSetFeedType()) {
            $parameters['FeedType'] = $request->getFeedType();
        }
        if ($request->isSetPurgeAndReplace()) {
            $parameters['PurgeAndReplace'] = $request->getPurgeAndReplace() ? "true" : "false";
        }
        if ($request->isSetMWSAuthToken()) {
            $parameters['MWSAuthToken'] = $request->getMWSAuthToken();
        }

        $headers = array();
        array_push($headers, "Content-Type: " . $request->getContentType()->toString());

        return array(CONVERTED_PARAMETERS_KEY => $parameters, CONVERTED_HEADERS_KEY => $headers);
    }