EventInfo_p1 Node1 EventInfo_p1 + m_event_ID + m_event_type + m_trigger_info + EventInfo_p1() + ~EventInfo_p1() + EventInfo_p1() + operator=() + EventInfo_p1() + operator=() Node2 MergedEventInfo_p1 + m_newEventID + MergedEventInfo_p1() + ~MergedEventInfo_p1() Node1->Node2 Node3 PileUpEventInfo_p1 + m_subEvents + PileUpEventInfo_p1() + ~PileUpEventInfo_p1() Node1->Node3