{ ... }:
{
  _class = "clan.service";
  manifest.name = "personal-computer";
  manifest.description = "A service for configuring personal computer such as printing, automatic-timezone, etc.";
  manifest.categories = [ "System" ];

  roles.default = {
    perInstance.nixosModule =
      { ... }:
      {
        imports = [
          ./printing.nix
          ./mutable-user.nix
          ./automatic-timezone.nix
        ];
      };
  };
}