protected void createLangAltProperty(Property metadataProperty, String ns, String propertyName)
            throws XMPException {
        createLangAltProperty(metadataProperty.getName(), ns, propertyName);
    }
@see AbstractConverter#createLangAltProperty(String, String, String)
tika-xmp/src/main/java/org/apache/tika/xmp/convert/AbstractConverter.java