@Override public void refresh() { pageUsers = null; super.refresh(); }
@Override protected void pageChanged() { pageUsers = null; super.pageChanged(); }
@Override protected void pageChanged() { pageGroups = null; super.pageChanged(); }
@Override public void refresh() { pageGroups = null; super.refresh(); }
@Override public void refresh() { userTasks = null; pageTasks = null; super.refresh(); }