anchor.diff:      password = cfg.password;
       token = cfg.token;
       game_password = cfg.game-password;
  -    require_user_verification = true;
  +    require_user_verification = cfg.requireUserVerification;
       max_upload_in_kilobytes_per_second = 0;
       minimum_latency_in_ticks = 0;
       ignore_player_limit_for_returning_players = false;
  
positive.code:   cfg = config.services.factorio;
    factorio = pkgs.factorio-headless;
    name = "Factorio";
    stateDir = "/var/lib/factorio";
    mkSavePath = name: "${stateDir}/saves/${name}.zip";
    configFile = pkgs.writeText "factorio.conf" ''
      use-system-read-write-data-directories=true
  
negative.code:           customizations.
          '';
        };
        stateDir = mkOption {
          type = types.path;
          default = "/var/lib/factorio";
          description = ''
            The server's data directory.
  
            The configuration and map will be stored here.
          '';
        };
        mods = mkOption {
          type = types.listOf types.package;
          default = [];
  