*/
public WebFlowOgnlExpressionParser() {
addPropertyAccessor(MapAdaptable.class, new MapAdaptablePropertyAccessor());
addPropertyAccessor(MutableAttributeMap.class, new MutableAttributeMapPropertyAccessor());
addPropertyAccessor(MessageSource.class, new MessageSourcePropertyAccessor());
addPropertyAccessor(RequestContext.class, new RequestContextPropertyAccessor(new ObjectPropertyAccessor()));
addPropertyAccessor(Action.class, new ActionPropertyAccessor());
}