EFInterfaceSvc Node1 EFInterfaceSvc + m_acceptedEvents + m_rejectedEvents + m_processedEvents - m_efdfinterface_library - m_eventHandler - m_getNextFuture - m_queueMutex - m_interface_library_name - m_getNextTimeout - m_stride - m_fileOffset - m_numEvents - m_skipEvents and 11 more... + EFInterfaceSvc() + ~EFInterfaceSvc() + ATLAS_NOT_THREAD_SAFE() + stop() + finalize() + handle() + getNext() + eventDone() + prepInterfacePTree() Node2 extends< AthService, IIncidentListener >     Node2->Node1