require(['dojo/_base/declare','dojo/_base/query','dijit/registry','dojox/widget/TitleGroup'],
    function(declare,query,registry,TitleGroup){
        return declare([TitleGroup],{
            getChildren: function() {
                return query("> .dijitTitlePane", this.domNode)
                .map(function(node){
                    return registry.byNode(node);
                });
            }
        });
    });