return null;
// See if we have a factory
Scope scope = scopes.iterator().next();
ScopeLevel scopeLevel = scope.getScopeLevel();
MetaDataRetrievalFactory factory = getMetaDataRetrievalFactory(scopeLevel);
if (factory == null)
return null;
// We have a factory, use it
return factory.getMetaDataRetrieval(scope);
}