<map id="Graphical Class Hierarchy" name="Graphical Class Hierarchy">
<area shape="rect" id="node1" title=" " alt="" coords="56,5,154,31"/>
<area shape="rect" id="node2" href="$class_system_1_1_tuple.html" title=" " alt="" coords="253,61,416,87"/>
<area shape="rect" id="node3" href="$interface_system_1_1_collections_1_1_i_structural_comparable.html" title=" " alt="" coords="5,55,205,93"/>
<area shape="rect" id="node4" href="$interface_system_1_1_collections_1_1_i_structural_equatable.html" title=" " alt="" coords="5,117,205,156"/>
</map>
