anchor.diff:        };
   
         interface = mkOption {
  +        type = types.str;
           default = "";
           description = ''
             A specific interface to bind to.
  
positive.code:       mediatomb = {
          isSystemUser = true;
          group = cfg.group;
          home = "${cfg.dataDir}";
          createHome = true;
          description = "${name} DLNA Server User";
        };
  
negative.code:       };
  
        user = mkOption {
          type = types.str;
          default = "mediatomb";
          description = "User account under which ${name} runs.";
        };
  
        group = mkOption {
          type = types.str;
          default = "mediatomb";
          description = "Group account under which ${name} runs.";
        };
  
        port = mkOption {
          type = types.int;
          default = 49152;
          description = ''
            The network port to listen on.
  