G4UA::TestActionVPTimerTool Node1 G4UA::TestActionVPTimerTool - m_config - m_report + TestActionVPTimerTool() + finalize() # makeAndFillAction() - TimerPrint() - TreeOut() Node2 G4UA::UserActionToolBase < TestActionVPTimer > # m_actions + UserActionToolBase() + fillUserAction() # makeAndFillAction() Node2->Node1 Node3 extends< AthAlgTool, IUserActionTool > Node3->Node2