class TilesContextELResolver extends ELResolver {

    @Override
    public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context,
            Object base) {
        // only resolve at the root of the context
        if (base != null) {
            return null;
        }

        return requestBeanInfo.getDescriptors().iterator();
    }

    public  TilesContextELResolver(ELResolver beanElResolver);

}