nixpkgs/pkgs/development/libraries/protobuf/3.19.nix

{ callPackage, ... }:

callPackage ./generic-v3.nix {
  version = "3.19.4";
  sha256 = "sha256-mxQ8XonVgctfaNAyd3vqQHMLHVnkjBa9EObk47vxH24=";
}