docs: def get_page_generator(func, start_page=0, page_size=None):
          """
          Constructs a generator for retrieving pages from a paginated endpoint.  This method is intended for internal
          use.
  
          :param func: Should take parameters ``page_number`` and ``page_size`` and return the corresponding |Page| object.
          :param start_page: The page to start on.
          :param page_size: The size of each page.
          :return: A generator that generates each successive page.
          """
  
          # initialize starting values
          page_number = start_page
          more_pages = True
  
          # continuously request the next page as long as more pages exist
          while more_pages:
  
              # get next page
              page = func(page_number=page_number, page_size=page_size)
  
              yield page
  
              # determine whether more pages exist
              more_pages = page.has_more_pages()
              page_number += 1