// pragmatic approach, no syncronizing will be needed in get methods
_viewHandler = new ViewHandlerImpl();
_navigationHandler = new NavigationHandlerImpl();
_actionListener = new ActionListenerImpl();
_defaultRenderKitId = "HTML_BASIC";
_stateManager = new JspStateManagerImpl();
_elContextListeners = new ArrayList<ELContextListener>();
_resourceHandler = new ResourceHandlerImpl();
_runtimeConfig = runtimeConfig;
if (log.isLoggable(Level.FINEST))