public virtual void test_builder()
{
assertThrowsIllegalArg(() => DiscountFxForwardRates.meta().builder().set(DiscountFxForwardRates.meta().currencyPair(), CurrencyPair.parse("GBP/USD")).build());
assertThrowsIllegalArg(() => DiscountFxForwardRates.meta().builder().set(DiscountFxForwardRates.meta().currencyPair().name(), CurrencyPair.parse("GBP/USD")).build());
}
