<map id="__gnu_pbds::null_node_update&lt; _Tp1, _Tp2, _Tp3, _Tp4 &gt;" name="__gnu_pbds::null_node_update&lt; _Tp1, _Tp2, _Tp3, _Tp4 &gt;">
<area shape="rect" id="Node000001" title="A null node updator, indicating that no node updates are required." alt="" coords="5,83,167,151"/>
<area shape="rect" id="Node000002" href="$a12733.html" title="Represents no type, or absence of type, for template tricks." alt="" coords="7,5,165,35"/>
<area shape="poly" id="edge1_Node000001_Node000002" title=" " alt="" coords="89,51,89,82,83,82,83,51"/>
</map>
