def __new__(cls, name, parents, attrs):
        if 'filter_registry' not in attrs:
            attrs['filter_registry'] = FilterRegistry(
                '%s.filters' % name.lower())
        if 'action_registry' not in attrs:
            attrs['action_registry'] = ActionRegistry(
                '%s.actions' % name.lower())

        return super(QueryMeta, cls).__new__(cls, name, parents, attrs)