code: def get_index_config(self, project_name, logstore_name):
          
  
          headers = {}
          params = {}
          resource = "/logstores/" + logstore_name + "/index"
          (resp, header) = self._send("GET", project_name, None, resource, params, headers)
          return GetIndexResponse(resp, header)
docs: get index config detail of a logstore
          Unsuccessful opertaion will cause an LogException.
  
          :type project_name: string
          :param project_name: the Project name
  
          :type logstore_name: string
          :param logstore_name: the logstore name
  
          :return: GetIndexResponse
  
          :raise: LogException