code: def list_logtail_config(self, project_name, offset=0, size=100):
          
          # need to use extended method to get more
          if int(size) == -1 or int(size) > MAX_LIST_PAGING_SIZE:
              return list_more(self.list_logtail_config, int(offset), int(size), MAX_LIST_PAGING_SIZE, project_name)
  
          headers = {}
          params = {}
          resource = "/configs"
          params['offset'] = str(offset)
          params['size'] = str(size)
          (resp, header) = self._send("GET", project_name, None, resource, params, headers)
          return ListLogtailConfigResponse(resp, header)
docs: list logtail config name in a project
          Unsuccessful opertaion will cause an LogException.
  
          :type project_name: string
          :param project_name: the Project name 
  
          :type offset: int
          :param offset: the offset of all config names
  
          :type size: int
          :param size: the max return names count, -1 means all
  
          :return: ListLogtailConfigResponse
          
          :raise: LogException