{...}: {
  programs.niri.settings = {
    layer-rules = [
      {
        matches = [
          {namespace = "notifications";}
        ];
        block-out-from = "screen-capture";
      }
    ];
    window-rules = [
      {
        matches = [
          {app-id = "^signal|Element|org\.gnome\.Evolution$";}
          {title = "^.*(Discord|Beispiel Screenshare block Bug).*$";}
        ];
        block-out-from = "screen-capture";
      }
    ];
  };
}