code: def _AttemptAutoDetectTagFile(self, analysis_mediator):
      
      self._autodetect_tag_file_attempt = True
      if not analysis_mediator.data_location:
        return False
  
      operating_system = analysis_mediator.operating_system.lower()
      filename = self._OS_TAG_FILES.get(operating_system, None)
      if not filename:
        return False
  
      logger.info('Using auto detected tag file: {0:s}'.format(filename))
      tag_file_path = os.path.join(analysis_mediator.data_location, filename)
      self.SetAndLoadTagFile(tag_file_path)
      return True
docs: Detects which tag file is most appropriate.
  
      Args:
        analysis_mediator (AnalysisMediator): analysis mediator.
  
      Returns:
        bool: True if a tag file is autodetected.