docs: def get_saved_rules(conf_file=None):
      '''
      Return a data structure of the rules in the conf file
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' nftables.get_saved_rules
  
      '''
      if _conf() and not conf_file:
          conf_file = _conf()
  
      with salt.utils.files.fopen(conf_file) as fp_:
          lines = salt.utils.data.decode(fp_.readlines())
      rules = []
      for line in lines:
          tmpline = line.strip()
          if not tmpline:
              continue
          if tmpline.startswith('#'):
              continue
          rules.append(line)
      return rules