<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy">
<area shape="rect" id="node1" href="$a10167.html" title="Base class." alt="" coords="5,5,176,44"/>
<area shape="rect" id="node2" href="$a10171.html" title="An allocator that uses previously allocated memory. This memory can be externally,..." alt="" coords="224,5,395,44"/>
</map>