IJetEventSelector Node1 IJetEventSelector + ~IJetEventSelector() + keep() Node4 JetEventSelector # m_min # m_max # m_var + JetEventSelector() + ~JetEventSelector() + initialize() + keep() Node1->Node4 Node2 asg::IAsgTool + ~IAsgTool() + print() Node2->Node1 Node3 IAlgTool Node3->Node2