anchor.diff:        enable = mkOption {
           default = false;
           description = "Whether to enable Disnix";
  -      };        
  +      };
  +      
  +      useWebServiceInterface = mkOption {
  +        default = false;
  +	description = "Whether to enable the DisnixWebService interface running on Apache Tomcat";
  +      };
   
       };
       
  
positive.code:     services.dbus.enable = true;
      services.dbus.packages = [ pkgs.disnix ];
  
      users.extraGroups = singleton
        { name = "disnix";
          gid = config.ids.gids.disnix;
  
negative.code:         startOn = "started dbus";
  
          script =
            ''
              ${pkgs.disnix}/bin/disnix-service --activation-modules-dir=${disnix_activation_scripts}/libexec/disnix/activation-scripts
            '';
        };
  
  