{
  flake-parts-lib,
  lib,
  ...
}: {
  options.perSystem = flake-parts-lib.mkPerSystemOption (
    {
      config,
      pkgs,
      ...
    }: let
      cilib = import ./. {inherit lib pkgs;};
      inherit (lib) types mkOption;
    in {
      options = {
        ci = mkOption {
          type = types.submodule cilib.modules.nixCiSubmodule;
          default = {};
        };
      };
      config.legacyPackages = config.ci.packages;
    }
  );
}