{
  config,
  pkgs,
  ...
}: {
  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    betterlockscreen
    lock-screen
  ];

  programs.i3lock = {
    enable = true;
    package = pkgs.i3lock-color;
  };
  security.pam.services.betterlockscreen = {};
  services.xserver = {
    xautolock = {
      enable = true;
      enableNotifier = true;
      notifier = "${pkgs.dunst}/bin/notify-send 'Locking in 10 seconds'";
      locker = "${pkgs.betterlockscreen}/bin/betterlockscreen -l dimblur";
    };
  };
}