docs: private void _publishManagedBeanDestroyerListener(FacesContext facesContext)
      {
          ExternalContext externalContext = facesContext.getExternalContext();
          Map<String, Object> applicationMap = externalContext.getApplicationMap();
  
          applicationMap.put(ManagedBeanDestroyerListener.APPLICATION_MAP_KEY, _detroyerListener);
      }