<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy">
<area shape="rect" id="Node000000" href="$a08144.html" title="Common iterator class." alt="" coords="5,33,178,101"/>
<area shape="rect" id="Node000001" href="$a08016.html" title=" " alt="" coords="226,5,374,54"/>
<area shape="poly" id="edge675_Node000000_Node000001" title=" " alt="" coords="192,46,228,42,223,44,194,51"/>
<area shape="rect" id="Node000002" href="$a08016.html" title=" " alt="" coords="226,79,374,127"/>
<area shape="poly" id="edge676_Node000000_Node000002" title=" " alt="" coords="193,82,228,90,223,90,193,87"/>
</map>
