generic: {
  v50 = generic {
    version = "5.0.10";
    sha256 = "15kbbj1vclsys1z3ghcz9j5faz67k3z8yl81bn7bhmqaflavgicb";
  };

  v40 = generic {
    version = "4.0.30";
    sha256 = "17h831a1rw245kz37pw5haxq09k9m76bf0bz0jgg9s0q1j7hvywh";
  };
}