return;
}
AbstractUITree tree = ComponentUtils.findAncestor(node, AbstractUITree.class);
String treeId = tree.getClientId(facesContext);
String nodeStateId = node.nodeStateId(facesContext);
Map<String, String> requestParameterMap = facesContext.getExternalContext().getRequestParameterMap();
String id = node.getClientId(facesContext);
// expand state
boolean expanded = Boolean.parseBoolean(requestParameterMap.get(id + ComponentUtils.SUB_SEPARATOR + "expanded"));