<map id="GenVertex" name="GenVertex">
<area shape="rect" id="Node000001" title="Stores vertex&#45;related information." alt="" coords="33,92,116,117"/>
<area shape="rect" id="Node000002" title=" " alt="" coords="5,5,144,44"/>
<area shape="poly" id="edge1_Node000001_Node000002" title=" " alt="" coords="76,58,77,92,72,91,73,62"/>
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