anchor.diff:        ipv4-edns-size:      ${toString cfg.ipv4EDNSSize}
         do-ip6:              ${yesOrNo  cfg.ipv6}
         ipv6-edns-size:      ${toString cfg.ipv6EDNSSize}
  +      log-time-asci:       ${yesOrNo  cfg.logTimeAscii}
         ${maybeString "nsid: " cfg.nsid}
         port:                ${toString cfg.port}
  +      reuseport:           ${yesOrNo  cfg.reuseport}
  +      round-robin:         ${yesOrNo  cfg.roundRobin}
         server-count:        ${toString cfg.serverCount}
         ${if cfg.statistics == null then "" else "statistics:          ${toString cfg.statistics}"}
         tcp-count:           ${toString cfg.tcpCount}
         tcp-query-count:     ${toString cfg.tcpQueryCount}
         tcp-timeout:         ${toString cfg.tcpTimeout}
         verbosity:           ${toString cfg.verbosity}
  +      ${maybeString "version: " cfg.version}
         xfrd-reload-timeout: ${toString cfg.xfrdReloadTimeout}
         zonefiles-check:     ${yesOrNo  cfg.zonefilesCheck}
   
  
positive.code:       '';
      };
  
      serverCount = mkOption {
        type = types.int;
        default = 1;
  
negative.code:       default = 0;
        description = ''
          Verbosity level.
        '';
      };
  
      version = mkOption {
        type = types.nullOr types.str;
        default = null;
        description = ''
          The version string replied for CH TXT version.server and version.bind
          queries. Will use the compiled package version on null.
          See hideVersion for enabling/disabling this responses.
        '';
      };
  
  