{lib, ...}: let
  nullable = type: lib.types.nullOr type;
in {
  options.sils.meta = {
    bootPart = lib.mkOption {
      type = nullable lib.types.str;
      default = null;
    };
    bootstrapSystem = lib.mkEnableOption;
    globalDataDir = lib.mkOption {
      type = nullable lib.types.str;
      default = null;
    };
    hostname = lib.mkOption {
      type = nullable lib.types.str;
      default = null;
    };
    mainDisk = lib.mkOption {
      type = nullable lib.types.str;
      default = null;
    };
    rootPart = lib.mkOption {
      type = nullable lib.types.str;
      default = null;
    };
    system = lib.mkOption {
      type = nullable lib.types.str;
      default = null;
    };
  };
}