RootAuxDynIO::RNTupleAuxDynWriter Node1 RootAuxDynIO::RNTupleAux DynWriter + RNTupleAuxDynWriter() + ~RNTupleAuxDynWriter() + collectAuxAttributes() Node2 AthMessaging - m_nm - m_msg_tls - m_imsg - m_lvl - ATLAS_THREAD_SAFE + AthMessaging() + AthMessaging() + ~AthMessaging() + msgLvl() + msg() + msg() + setLevel() - AthMessaging() - AthMessaging() - operator=() - initMessaging() Node2->Node1 Node3 RootAuxDynIO::IRNTupleAux DynWriter + ~IRNTupleAuxDynWriter() + collectAuxAttributes() Node3->Node1