anchor.diff:  
     src = fetchurl {
       url = "mirror://maven/org/openapitools/${pname}/${version}/${jarfilename}";
  -    sha256 = "1pafv432ll3pp52580pbnk0gnrm6byl5fkrf1rarhxfkpkr82yif";
  +    sha256 = "1h9infspwbij9ahb376vc4ijakrqb7xww573ccrqvchxphbcsf7l";
     };
   
     phases = [ "installPhase" ];
  
positive.code: { stdenv, fetchurl, jre, makeWrapper }:
  
  stdenv.mkDerivation rec {
    version = "4.2.2";
    pname = "openapi-generator-cli";
  
    jarfilename = "${pname}-${version}.jar";
  
negative.code:     maintainers = [ maintainers.shou ];
    };
  }
  