class SessionPreviewCanvasHandlerProxy extends BaseCanvasHandler<D, C> {

    @Override
    protected void destroyGraphIndex(final Command loadCallback) {
        // No index to destroy as it's using the index from the wrapped instance.
        loadCallback.execute();
    }

    @SuppressWarnings("unchecked") public  SessionPreviewCanvasHandlerProxy(final BaseCanvasHandler wrapped,
                                            final DefinitionManager definitionManager,
                                            final GraphUtils graphUtils,
                                            final ShapeManager shapeManager,
                                            final TextPropertyProviderFactory textPropertyProviderFactory);

}