code: def add_repository(self, name, repository_type, repository_class,
                         aggregate_class, make_default, configuration):
          
          repo_mgr = self.get_registered_utility(IRepositoryManager)
          if name is None:
              # If no name was given, this is assumed to be the ROOT repository
              # for the given repository type.
              name = REPOSITORY_DOMAINS.ROOT
          repo = repo_mgr.new(repository_type, name=name,
                              make_default=make_default,
                              repository_class=repository_class,
                              aggregate_class=aggregate_class,
                              configuration=configuration)
          repo_mgr.set(repo)
docs: Generic method for adding a repository.