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

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