@SuppressWarnings("unused") // called by NullPointerTester
    void checkGeneric(T value, String s) {
      calledWith(value, s);
    }
  }

  private static class DefaultValueForPackagePrivateMethodResolvedToStringChecker
      extends AbstractGenericDefaultValueForPackagePrivateMethodChecker<String> {
    void check() {
      runTester();
      assertEquals("", getDefaultParameterValue(0));
    }
  }