code: def list(self, limit=None, marker=None, name=None, visibility=None,
              member_status=None, owner=None, tag=None, status=None,
              size_min=None, size_max=None, sort_key=None, sort_dir=None):
          
          return self._manager.list(limit=limit, marker=marker, name=name,
                  visibility=visibility, member_status=member_status,
                  owner=owner, tag=tag, status=status, size_min=size_min,
                  size_max=size_max, sort_key=sort_key, sort_dir=sort_dir)
docs: Returns a list of resource objects. Pagination is supported through the
          optional 'marker' and 'limit' parameters. Filtering the returned value
          is possible by specifying values for any of the other parameters.