code: def next_page(self, max_=None):
          
  
          result = type(self)()
          result.after = After(self.last.value)
          result.max_ = max_
          return result
docs: Return a query set which requests the page after this response.
  
          :param max_: Maximum number of items to return.
          :type max_: :class:`int` or :data:`None`
          :rtype: :class:`ResultSetMetadata`
          :return: A new request set up to request the next page.
  
          Must be called on a result set which has :attr:`last` set.