return response;
}
public AjaxResponse appendAsFirst(AjaxActionEvent event) {
// Create an ajax action for appending content as first child:
AppendAsFirstContentAction action = new AppendAsFirstContentAction("toAppendAsFirst", new TaggedText("Hello, ", TaggedText.Tag.SPAN));
// Disable the event:
SetAttributeAction disableAction = new SetAttributeAction("appendAsFirstButton", "onclick", "");
// Create a concrete ajax response:
AjaxResponse response = new AjaxResponseImpl();