{
  lib,
  ...
}:
let
  # Create a NixOS module option on a single line.
  mkOpt =
    type: default: description:
    lib.mkOption { inherit type default description; };

  # Create a simple boolean option.
  mkBool =
    default: description:
    lib.mkOption {
      inherit default description;
      type = lib.types.bool;
    };

in
{
  inherit mkOpt mkBool;
}