code: def _list_gids():
      '''
      Return a list of gids in use
      '''
      output = __salt__['cmd.run'](
          ['dscacheutil', '-q', 'group'],
          output_loglevel='quiet',
          python_shell=False
      )
      ret = set()
      for line in salt.utils.itertools.split(output, '\n'):
          if line.startswith('gid:'):
              ret.update(line.split()[1:])
      return sorted(retf _list_gids():
      '''
      Return a list of gids in use
      '''
      output = __salt__['cmd.run'](
          ['dscacheutil', '-q', 'group'],
          output_loglevel='quiet',
          python_shell=False
      )
      ret = set()
      for line in salt.utils.itertools.split(output, '\n'):
          if line.startswith('gid:'):
              ret.update(line.split()[1:])
      return sorted(ret)
docs: Return a list of gids in use