converterTypeMap = new ConcurrentHashMap<Class<?>, Object>();
validatorMap = new ConcurrentHashMap<String, Object>();
defaultValidatorIds = new LinkedHashSet<String>();
behaviorMap = new ConcurrentHashMap<String, Object>();
elContextListeners = new CopyOnWriteArrayList<ELContextListener>();
propertyResolver = new PropertyResolverImpl();
variableResolver = new VariableResolverImpl();
elResolvers = new CompositeELResolver();
FacesContext ctx = FacesContext.getCurrentInstance();
WebConfiguration webConfig = WebConfiguration.getInstance(ctx.getExternalContext());