docs: def local_manager_target_uids(self):
          """Target uid's for local manager.
          """
          groups = self.root['groups'].backend
          managed_uids = set()
          for gid in self.local_manager_target_gids:
              group = groups.get(gid)
              if group:
                  managed_uids.update(group.member_ids)
          return list(managed_uids)