{
  vpn_enable,
  lib,
  ...
}: {
  imports =
    [
      ../system/bootloader.nix
      ../system/firewall.nix
      ../system/locale.nix
      ../system/network.nix
      ../system/term.nix
      ../system/development.nix
      # ../system/proxy.nix
      # ../system/recovery.nix # only supports non-flake conf
      ../system/ssh.nix
      ../system/timezone.nix
      # ../system/touchpad.nix
      ../system/users.nix
      ../system/tools.nix
    ]
    ++ lib.optionals (vpn_enable == true) [
      ../system/vpn.nix
    ];
}