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:           customizations.
          '';
        };
        mods = mkOption {
          type = types.listOf types.package;
          default = [];
  
negative.code:         default = null;
          description = ''
            Game password.
          '';
        };
        requireUserVerification = mkOption {
          type = types.bool;
          default = true;
          description = ''
            When set to true, the server will only allow clients that have a valid factorio.com account.
          '';
        };
        autosave-interval = mkOption {
  