StandardGenerator implements Generator { @Override public <A, B> Optional<Meta<A, B>> transform(Transform<A, B> transform, A model, TransformFactory factory) { return defaultGenerator.transform(transform, model, factory); } StandardGenerator(
        final DependencyManager dependencyManager,
        final TransformFactory transformFactory
    ); @Override DependencyManager getDependencyMgr(); @Override RenderStack getRenderStack(); @Override Stream<Meta<A, B>> metaOn(A from, Class<B> to); @Override Optional<Meta<A, B>> transform(Transform<A, B> transform, A model,
            TransformFactory factory);  }
@Test void transform() { final TransformFactory factory = new StandardTransformFactory("A"); final Transform<Integer, String> transform = (g, i) -> Optional.of(Integer.toString(i)); factory.install(Integer.class, String.class, () -> transform); assertNotNull(INSTANCE.transform(transform, 1, factory)); }