return arbitraryConstantInstanceOrNull(type);
    }
  }

  private static <T> @Nullable T arbitraryConstantInstanceOrNull(Class<T> type) {
    Field[] fields = type.getDeclaredFields();
    Arrays.sort(fields, BY_FIELD_NAME);
    for (Field field : fields) {
      if (Modifier.isPublic(field.getModifiers())
          && Modifier.isStatic(field.getModifiers())

        try {
          return doPrivileged(
              (PrivilegedExceptionAction<Unsafe>)
                  () -> {
                    Class<Unsafe> k = Unsafe.class;
                    for (Field f : k.getDeclaredFields()) {
                      f.setAccessible(true);
                      Object x = f.get(null);
                      if (k.isInstance(x)) {
                        return k.cast(x);
                      }

              doPrivileged(
                  (PrivilegedExceptionAction<Unsafe>)
                      () -> {
                        Class<Unsafe> k = Unsafe.class;
                        for (Field f : k.getDeclaredFields()) {
                          f.setAccessible(true);
                          Object x = f.get(null);
                          if (k.isInstance(x)) {
                            return k.cast(x);