}
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof LiveBeansGroup) {
LiveBeansGroup group = (LiveBeansGroup) parentElement;
return group.getBeans().toArray();
}
else if (parentElement instanceof LiveBean) {
Set<LiveBeanRelation> children = new HashSet<LiveBeanRelation>();
LiveBean bean = (LiveBean) parentElement;
Set<LiveBean> dependencies = bean.getDependencies();