{
  nixos =
    { config, lib, ... }:
    let
      cfg = config.features.networkmanager;
    in
    {
      options.features.networkmanager.enable = lib.mkEnableOption "networkmanager";

      config = lib.mkIf cfg.enable {
        networking.networkmanager.enable = true;
        networking.nameservers = [
          "1.1.1.1"
          "8.8.8.8"
        ];
      };
    };
}