anchor.diff:          type = types.submodule {
             options = {
               background = mkOption {
  -              type = types.string;
  +              type = types.str;
                 default = "#000000";
                 description = "Background color of the bar.";
               };
   
               statusline = mkOption {
  -              type = types.string;
  +              type = types.str;
                 default = "#ffffff";
                 description = "Text color to be used for the statusline.";
               };
   
               separator = mkOption {
  -              type = types.string;
  +              type = types.str;
                 default = "#666666";
                 description = "Text color to be used for the separator.";
               };
  
positive.code:       };
  
        trayOutput = mkOption {
          type = types.string;
          default = "primary";
          description = "Where to output tray.";
        };
  
negative.code:   startupModule = types.submodule {
      options = {
        command = mkOption {
          type = types.str;
          description = "Command that will be executed on startup.";
        };
  
  