anchor.diff:  
       boehmgc = boehmgc_nixUnstable;
   
  +    patches = [ installNlohmannJsonPatch ];
  +
       inherit storeDir stateDir confDir;
     });
   
  
positive.code:            ];
  
        buildInputs =
          [ curl libsodium openssl sqlite xz bzip2 nlohmann_json
            brotli boost editline
          ]
          ++ lib.optionals stdenv.isDarwin [ Security ]
  
negative.code: 
      boehmgc = boehmgc_nixUnstable;
  
      patches = [ installNlohmannJsonPatch ];
  
      inherit storeDir stateDir confDir;
  
    });
  