><div class="ni n4 "><span class="nh "><a href="../solver/DecisionTree$$Leaf.html"><span class="micon ca"></span><span>Leaf</span></a></span></div><div class="ni n4 "><span class="nh "><a href="../solver/DecisionTree$$Branch.html"><span class="micon ca"></span><span>Branch</span></a></span></div></div><div class="ni n3 "><span class="nh "><a href="../solver/OptionalVariable.html"><span class="micon cl"></span><span>OptionalVariable</span></a></span></div><div class="ni n3"><span class="nh "><button class="a