||Base class for JSF NavigationHandler implementations that want
to be capable of decorating an original NavigationHandler.
VariableResolver that first delegates to the
original resolver of the underlying JSF implementation (for resolving
managed-bean objects as defined in
as well as well-known implicit EL attributes), then to the Spring
WebApplicationContext (for resolving Spring beans).
||This is a subclass of the JSF 1.1 DelegatingVariableResolver,
letting Spring bean definitions override other attributes of the same name.
||Special JSF 1.1
VariableResolver that exposes the Spring
WebApplicationContext instance under a variable named