nixos-hardware/microsoft/surface/default.nix

{ ... }:

{
  assertions = [
    {
      assertion = false;
      message = "Importing microsoft/surface/ (default.nix) directly is deprecated! See https://github.com/NixOS/nixos-hardware/blob/master/microsoft/surface/OLD-BEHAVIOUR-DEPRECATED.md for more details.";
    }
  ];
}