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