{pkgs, lib, config, ...}:
{
  options.home-manager.users = lib.mkOption {
    type = lib.types.attrsOf (lib.types.submodule ({ config, ... }: {
      options = {
        foo = lib.mkOption {
          description = "Test";
          type = lib.types.string;
          default = "bar";
        };
      };
      config = {
        xdg.configFile.foo.text = config.foo;
      };
    }));
  };
}