docs: def get_next_start_id(self):
          """If link for next result set has been passed, extract it and get the next set start id"""
          link = self.rws_connection.last_result.links.get("next", None)
          if link:
              link = link['url']
              p = urlparse(link)
              start_id = int(parse_qs(p.query)['startid'][0])
              return start_id
  
          return None