ModelType.of(ThingSpecInternal),
        ] as Set)
        instanceFactory.getManagedSubtypeImplementationInfo(ModelType.of(ManagedThingSpec)).internalViews == ([
            ModelType.of(ThingSpecInternal),
            ModelType.of(ManagedThingSpecInternal)
        ] as Set)
        instanceFactory.getManagedSubtypeImplementationInfo(ModelType.of(ChildManagedThingSpec)).internalViews == ([
            ModelType.of(ThingSpecInternal),

    /**
     * Return information about the implementation of a managed type with an unmanaged super-type.
     */
    <S extends T> ImplementationInfo getManagedSubtypeImplementationInfo(ModelType<S> publicType);

    interface ImplementationInfo {
        /**
         * Creates an instance of the delegate for the given node.
         */
        Object create(MutableModelNode modelNode);

        ModelType<S> publicType = schema.getType();
        return schema instanceof ManagedImplSchema
            ? instanceFactory.getManagedSubtypeImplementationInfo(publicType)
            : instanceFactory.getImplementationInfo(publicType);
    }

    @Override
    public Iterable<ModelType<?>> supportedTypes() {

        }
        return new ImplementationInfoImpl<S>(publicType, implementationRegistration, getInternalViews(publicType));
    }

    @Override
    public <S extends PUBLIC> ImplementationInfo getManagedSubtypeImplementationInfo(final ModelType<S> publicType) {
        if (!isManaged(publicType)) {
            throw new IllegalArgumentException(String.format("Type '%s' is not managed", publicType));
        }