anchor.diff:      minimumOCamlVersion = "4.06";
   
       inherit buildInputs preBuild;
  +  };
  +
  +  jsonrpc = buildDunePackage {
  +    pname = "jsonrpc";
  +    inherit version src;
  +    useDune2 = true;
  +    minimumOCamlVersion = "4.06";
  +
  +    buildInputs = [ yojson stdlib-shims ocaml-syntax-shims ppx_yojson_conv_lib result ];
     };
   
   in
  
positive.code: , stdlib-shims
  , ppx_yojson_conv_lib
  , ocaml-syntax-shims
  , omd
  , octavius
  , dune-build-info
  
negative.code:     dune-build-info
      omd
      cmdliner
      jsonrpc
    ];
  
    lsp = buildDunePackage {
  