depot/third_party/nixpkgs/lib/tests/modules/error-mkOption-in-submodule-config.nix

{ lib, ... }:
let
  inherit (lib) mkOption;
in
{
  options.sub = lib.mkOption {
    type = lib.types.submodule {
      wrong2 = mkOption {};
    };
    default = {};
  };
}