<ul class='someclass'>

    <li class="sf-single-children-one some-other-classes-here-aswell">

        <ul style="width: * ">

            <li>Item with no children element</li>

            <li>Item with no children element</li>

            <li>Item with no children element</li>

            <li>Item with no children element</li>

            <li>Item with no children element</li>

            <li>Item with childer element which should not be counted

              <ul>

                 <li>Item with no children element</li>

                 <li>Item with no children element</li>

                 <li>Item with no children element</li>

              </ul>

            </li>

        </ul>

    </li>

</ul>