public function listInventorySupplyByNextToken($request)
    {
        if (!($request instanceof FBAInventoryServiceMWS_Model_ListInventorySupplyByNextTokenRequest)) {
            require_once (dirname(__FILE__) . '/Model/ListInventorySupplyByNextTokenRequest.php');
            $request = new FBAInventoryServiceMWS_Model_ListInventorySupplyByNextTokenRequest($request);
        }
        $parameters = $request->toQueryParameterArray();
        $parameters['Action'] = 'ListInventorySupplyByNextToken';
        $httpResponse = $this->_invoke($parameters);

        require_once (dirname(__FILE__) . '/Model/ListInventorySupplyByNextTokenResponse.php');
        $response = FBAInventoryServiceMWS_Model_ListInventorySupplyByNextTokenResponse::fromXML($httpResponse['ResponseBody']);
        $response->setResponseHeaderMetadata($httpResponse['ResponseHeaderMetadata']);
        return $response;
    }