code: def _ParseInformationalOptions(self, options):
      
      self._debug_mode = getattr(options, 'debug', False)
      self._quiet_mode = getattr(options, 'quiet', False)
  
      if self._debug_mode and self._quiet_mode:
        logger.warning(
            'Cannot use debug and quiet mode at the same time, defaulting to '
            'debug output.')
docs: Parses the informational options.
  
      Args:
        options (argparse.Namespace): command line arguments.