anchor.diff:     vscodeDefault = vscode;
     };
   
  -  
  +
     vscodeExts2nix = import ./vscodeExts2nix.nix {
       inherit lib writeShellScriptBin;
       vscodeDefault = vscode;
  
positive.code:     inherit lib buildEnv writeShellScriptBin extensionsFromVscodeMarketplace jq;
      vscodeDefault = vscode;
    };
  in 
  {
    inherit fetchVsixFromVscodeMarketplace buildVscodeExtension
            buildVscodeMarketplaceExtension extensionFromVscodeMarketplace
  
negative.code:     buildInputs ? [],
      ...
    }:
    stdenv.mkDerivation ((removeAttrs a [ "vscodeExtUniqueId" ]) // {
  
      name = namePrefix + name;
  
  