docs: def _ReceiveFetchedFile(self, tracker):
      """Remove pathspec for this index and call the ReceiveFetchedFile method."""
      index = tracker["index"]
  
      _, request_data = self._RemoveCompletedPathspec(index)
  
      # Report the request_data for this flow's caller.
      self.ReceiveFetchedFile(
          tracker["stat_entry"], tracker["hash_obj"], request_data=request_data)