{
  pkgs,
  lib,
  utils
}:
let
  inherit (utils.systemdUtils.lib) serviceConfig unitConfig;
  inherit (utils.systemdUtils.unitOptions) stage2ServiceOptions;
  stage2ServiceConfig = {
    imports = [ serviceConfig ];
    # Default path for systemd services. Should be quite minimal.
    config.path = lib.mkAfter [
      pkgs.coreutils
      # pkgs.gnugrep
      # pkgs.gnused
      pkgs.systemd
    ];
  };
in
{
  inherit (utils.systemdUtils.types) units targets;
  services = lib.types.attrsOf (lib.types.submodule [
    unitConfig
    stage2ServiceOptions
    stage2ServiceConfig
  ]);
}