{
  lib,
  ...
}:
with lib;
{
  options = {
    custom.machine = mkOption {
      type = types.submodule {
        options = {
          type = mkOption {
            type = types.enum [
              "server"
              "pc"
            ];
          };
          capabilities = mkOption {
            type = types.listOf (types.enum (import ./capabilities.nix));
            default = [ "cli" ];
          };
        };
      };
    };
  };
}