protected function applyEventCdbXmlFromUDB2(
        $eventId,
        $cdbXmlNamespaceUri,
        $cdbXml
    ) {
        $document = $this->newDocument($eventId);

        $eventLd = $this->projectEventCdbXmlToObject(
            $document->getBody(),
            $eventId,
            $cdbXmlNamespaceUri,
            $cdbXml
        );

        return $document->withBody($eventLd);
    }