private function _performAuthAndCaptureForOrderShipment($shipmentNumber)
    {
        $response = $amazonAuthorizationId = $this->_performAuthorizationForShipment($shipmentNumber);
        $this->_waitUntilAuthorizationProcessingIsCompleted($amazonAuthorizationId);
        $this->_performCaptureForShipment($shipmentNumber, $amazonAuthorizationId);
    }