MetaImpl implements Meta<A, B> { @Override public A getModel() { return model; } private  MetaImpl(
            A model, 
            B result, 
            Transform<A, B> transform, 
            TransformFactory factory, 
            RenderStack stack, 
            RenderTree tree); @Override B getResult(); @Override Transform<A, B> getTransform(); @Override TransformFactory getFactory(); @Override A getModel(); @Override RenderStack getRenderStack(); @Override RenderTree getRenderTree(); @Override String toString();  }
@Test void getModel() { assertEquals(1, instance.getModel()); }