builder = new VersionedSchemaBuilder(wfs.getGeoServer(), configuration);
} else {
builder = new FeatureTypeSchemaBuilder.GML3(wfs.getGeoServer());
}
XSDSchema schema = builder.build(results.getFeatureTypeInfo(), req.getBaseUrl());
// serialize
schema.updateElement();
XSDResourceImpl.serialize(output, schema.getElement());
}