'Returns non-subcontainer objects within `container`.'

def contained(self, container, filters=None, limit=None, offset=None, order_by=None, **kwargs):

    filter_to_inside_container = self._get_filter_for_contained(container, self.contained_class)
    filters = base.munge_lists(filter_to_inside_container, filters)
    return self.contained_manager.list(filters=filters, limit=limit, offset=offset, order_by=order_by, **kwargs)
