validatorMap = new ApplicationInstanceFactoryMetadataMap(new ConcurrentHashMap<String, Object>());
defaultValidatorIds = new LinkedHashSet<String>();
behaviorMap = new ApplicationInstanceFactoryMetadataMap(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());
passDefaultTimeZone = webConfig.isOptionEnabled(DateTimeConverterUsesSystemTimezone);