anchor.diff:  , pulseaudio }:
   
   let
  -  sha256 = {
  -    x86_64-linux = "19751ygq1ng79aniqx91qawc0cw07cwdjdjd88azc9ww6z6nv0mp";
  -    i386-linux   = "0dwc7v4p1dz51444zwn0kds23yi87r4h2d3isfj9xwkn90pxb7in";
  -  }.${stdenv.hostPlatform.system} or (throw "system ${stdenv.hostPlatform.system} not supported");
  -
  -  arch = {
  -    x86_64-linux = "amd64";
  -    i386-linux   = "i386";
  -  }.${stdenv.hostPlatform.system} or (throw "system ${stdenv.hostPlatform.system} not supported");
  -
     description = "Desktop sharing application, providing remote support and online meetings";
   
     desktopItem = makeDesktopItem {
  
positive.code:     inherit description;
      homepage = "https://www.anydesk.com";
      license = licenses.unfree;
      platforms = platforms.linux;
      maintainers = with maintainers; [ shyim ];
    };
  }
  
negative.code: 
  in stdenv.mkDerivation rec {
    pname = "anydesk";
    version = "6.1.0";
  
    src = fetchurl {
      urls = [
        "https://download.anydesk.com/linux/${pname}-${version}-amd64.tar.gz"
        "https://download.anydesk.com/linux/generic-linux/${pname}-${version}-amd64.tar.gz"
      ];
      sha256 = "1qbq6r0yanjappsi8yglw8r54bwf32bjb2i63awmr6pk5kmhhy3r";
    };
  
    buildInputs = [
  