{
  lib,
  ...
}:
let
  inherit (lib) types mkOption;
in
{
  options = {
    infrastructure = mkOption {
      description = "Infrastructure for Fediversity applications to run on";
      type =
        with types;
        attrsOf (attrTag {

          single-nixos-machine-via-usb = mkOption {
            type =
              with types;
              submodule {
                # TODO: maybe steal some data structures from NixOS
                options = {
                  hasNetwork = mkOption {
                    type = types.bool;
                  };
                  disks = mkOption {
                    type =
                      with types;
                      attrsOf (submodule {
                        options.size = mkOption {
                          type = types.bytes;
                        };

                      });
                  };
                };
              };
          };
        });
    };
  };
}