code: public List<FacesConfigManagedBeanType<WebFacesConfigDescriptor>> getAllManagedBean()
     {
        List<FacesConfigManagedBeanType<WebFacesConfigDescriptor>> list = new ArrayList<FacesConfigManagedBeanType<WebFacesConfigDescriptor>>();
        List<Node> nodeList = model.get("managed-bean");
        for(Node node: nodeList)
        {
           FacesConfigManagedBeanType<WebFacesConfigDescriptor>  type = new FacesConfigManagedBeanTypeImpl<WebFacesConfigDescriptor>(this, "managed-bean", model, node);
           list.add(type);
        }
        return list;
     }
docs: Returns all <code>managed-bean</code> elements
  @return list of <code>managed-bean</code>