G4UA::GeantFollowerTool Node1 G4UA::GeantFollowerTool + GeantFollowerTool() # makeAndFillAction() Node2 G4UA::UserActionToolBase < GeantFollower > + UserActionToolBase() + fillUserAction() # makeAndFillAction() Node2->Node1 Node3 extends< AthAlgTool, IUserActionTool > Node3->Node2 Node4 G4UA::ThreadSpecificUser Action< GeantFollower > - m_threadMap + ~ThreadSpecificUserAction() + get() + set() + begin() + end() + accumulate() Node4->Node2 #m_actions Node5 G4UA::GeantFollower ::Config + helper Node5->Node1 -m_config