protected function createOwnerDOMElement( DOMDocument $domDocument, eZContentObject $owner )
    {
        $ownerElement = $domDocument->createElement( 'Owner' );

        // Set attributes
        $ownerElement->setAttribute( 'objectID', $owner->attribute( 'id' ) );
        $ownerElement->setAttribute( 'primaryLanguage', $owner->attribute( 'initial_language_code' ) );

        // Add language list
        $ownerElement->appendChild( $this->createNameListDOMElementFromContentObject( $domDocument, $owner ) );

        return $ownerElement;
    }