anchor.diff:            "gnome"
             "lxqt"
             "qt5ct"
  +          "kde"
           ];
           example = "gnome";
           relatedPackages = [
  
positive.code:           ["libsForQt5" "qtstyleplugins"]
            ["libsForQt5" "qt5ct"]
            ["lxqt" "lxqt-qtplugin"]
          ];
          description = ''
            Selects the platform theme to use for Qt5 applications.</para>
  
negative.code: 
      environment.variables.QT_QPA_PLATFORMTHEME = cfg.platformTheme;
  
      environment.variables.QT_STYLE_OVERRIDE = mkIf (! (isQt5ct || isLxqt || isKde)) cfg.style;
  
      environment.systemPackages = packages;
  
  