DefaultProperty<String> property() {
            return TestUtil.objectFactory().property(String) as DefaultProperty<String>
        }
    }

    static class ProducerDiscardingProvider<T> extends AbstractMinimalProvider<T> {
        private final ProviderInternal<T> provider

        ProducerDiscardingProvider(ProviderInternal<T> provider) {
            this.provider = provider
        }

        @Override