{lib, ...}:
with lib; {
  i18n = {
    defaultLocale = mkDefault "en_GB.UTF-8";
    supportedLocales = [
      "C.UTF-8/UTF-8"
      "en_GB.UTF-8/UTF-8"
      "en_US.UTF-8/UTF-8"
      "ja_JP.UTF-8/UTF-8"
      "ru_RU.UTF-8/UTF-8"
    ];
  };

  services.xserver = {
    layout = concatStringsSep "," [
      "us"
      "ru"
    ];
    xkbVariant = concatStringsSep "," [
      ""
      "phonetic"
    ];
    xkbOptions = concatStringsSep "," [
      "terminate:ctrl_alt_bksp"
      "caps:escape"
      "compose:menu"
      "grp:win_space_toggle"
    ];
  };
}