ImmutableTable.of());
    }
  }

  public void testDefaultValues() {
    new AllDefaultValuesChecker().check();
  }

  private static class ObjectArrayDefaultValueChecker extends DefaultValueChecker {

    @SuppressWarnings("unused") // called by NullPointerTester
    @Keep
    public void checkArray(Object[] array, String s) {
      calledWith(array, s);
    }