<map id="G" name="G"> <area shape="rect" id="node2" href="$a00711.html" title="Base class for all shape types." alt="" coords="20,160,108,189"/> <area shape="rect" id="node4" href="$a00500.html" title="Base class/standard interface for objects which require IO support, cloning and reference counting..." alt="" coords="20,83,108,112"/> <area shape="rect" id="node6" href="$a00627.html" title="Base class from providing referencing counted objects." alt="" coords="5,5,123,35"/> </map>