ModelFactoryExtensionPoint factories = registry.getExtensionPoint(ModelFactoryExtensionPoint.class);
AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class);
DataBindingExtensionPoint dataBindings = registry.getExtensionPoint(DataBindingExtensionPoint.class);
TransformerExtensionPoint transformers = registry.getExtensionPoint(TransformerExtensionPoint.class);
MediatorImpl mediator = new MediatorImpl(dataBindings, transformers);
//FIXME Pass this factory differently as it's not an extension point
PropertyValueObjectFactory propertyFactory = new DefaultPropertyValueObjectFactory(mediator);
registry.addExtensionPoint(propertyFactory);