code: def set_stderrthreshold(s):
    
    if s in converter.ABSL_LEVELS:
      FLAGS.stderrthreshold = converter.ABSL_LEVELS[s]
    elif isinstance(s, str) and s.upper() in converter.ABSL_NAMES:
      FLAGS.stderrthreshold = s
    else:
      raise ValueError(
          'set_stderrthreshold only accepts integer absl logging level '
          'from -3 to 1, or case-insensitive string values '
          "'debug', 'info', 'warning', 'error', and 'fatal'. "
          'But found "{}" ({}).'.format(s, type(s)))
docs: Sets the stderr threshold to the value passed in.
  
    Args:
      s: str|int, valid strings values are case-insensitive 'debug',
          'info', 'warning', 'error', and 'fatal'; valid integer values are
          logging.DEBUG|INFO|WARNING|ERROR|FATAL.
  
    Raises:
        ValueError: Raised when s is an invalid value.