StructuredType stDub = DublinCoreSchema.class.getAnnotation(StructuredType.class);
// We can't use metadata.getDublinCoreSchema() due to specification of
// XMPBox (see Javadoc of XMPMetadata)
Assert.assertEquals(format,
((DublinCoreSchema) metadata.getSchema(stDub.preferedPrefix(), stDub.namespace())).getFormat());
Assert.assertEquals(coverage,
((DublinCoreSchema) metadata.getSchema(ownPrefix, stDub.namespace())).getCoverage());
List<XMPSchema> schems = metadata.getAllSchemas();
DublinCoreSchema dc;