docs: def GetAllUsers(self, pagination_size=10):
      """Gets all user info from Gitkit server.
  
      Args:
        pagination_size: int, how many users should be returned per request.
            The account info are retrieved in pagination.
  
      Yields:
        A generator to iterate all users.
      """
      next_page_token, accounts = self.rpc_helper.DownloadAccount(
          None, pagination_size)
      while accounts:
        for account in accounts:
          yield GitkitUser.FromApiResponse(account)
        next_page_token, accounts = self.rpc_helper.DownloadAccount(
            next_page_token, pagination_size)