anchor.diff:          };
   
           group = mkOption {
  +          type = types.uniq types.string;
             default = "wheel";
             example = "network";
  -          type = types.string;
             description = "Members of this group can control wpa_supplicant.";
           };
         };
  
positive.code: 
      networking.wireless = {
        enable = mkOption {
          default = false;
          description = ''
            Whether to start <command>wpa_supplicant</command> to scan for
  
negative.code:       };
  
        driver = mkOption {
          type = types.uniq types.string;
          default = "nl80211,wext";
          description = "Force a specific wpa_supplicant driver.";
        };
  
        userControlled = {
          enable = mkOption {
            type = types.bool;
            default = false;
            description = ''
              Allow normal users to control wpa_supplicant through wpa_gui or wpa_cli.
  