static O defaultDefaultClassFinder() {
  ret new F1<S, Class>() {
    public Class get(S name) {
      Class c = findClass_fullName(name);
      if (c != null) ret c;
      if (name.startsWith("loadableUtils.utils$"))
        ret findClass_fullName("main" + name.substring(19));
      else if (name.startsWith("main$"))
        ret findClass_fullName("loadableUtils.utils$" + name.substring(5));
      null;
    }
  };
}