ActsTrk::TruthTrackBuilderTool Node1 ActsTrk::TruthTrackBuilderTool - m_usePixelClusters - m_useStripClusters + TruthTrackBuilderTool() + initialize() + buildTruthTracks() - addClusterToTruthTracks() Node2 AthAlgTool   + AthAlgTool() + ~AthAlgTool() - AthAlgTool() - AthAlgTool() - operator=() Node2->Node1 Node3 AthCommonDataStore < AthCommonMsg< AlgTool > > - m_varHandleArraysDeclared + AthCommonDataStore() + evtStore() + detStore() + sysInitialize() + sysStart() + inputHandles() + outputHandles() + declareProperty() + updateVHKA() # renounceArray() # renounce() # extraDeps_update_handler() - declareGaudiProperty() Node3->Node2 Node4 AthCommonMsg< AlgTool >   + msg() + msgLvl() Node4->Node3 Node6 ServiceHandle< StoreGate Svc >     Node6->Node3 -m_detStore -m_evtStore Node7 std::vector< SG::VarHandle KeyArray * >     Node7->Node3 -m_vhka Node9 SG::ReadHandleKey< DataVector< xAOD::PixelCluster _v1 > > + isDecorHandleKey - m_storeHandle - m_sgKey - m_hashedKey - m_isEventStore - m_owningHandle + ReadHandleKey() + operator=() + assign() + initialize() + initialize() + clid() + key() + empty() + storeHandle() + owningHandle() + isEventStore() + start() + hashedKey() # pythonRepr() - setOwningHandle() - setKey() - updateKey() - parseKey() - updateHandle() Node9->Node1 -m_pixelClustersKey Node10 SG::VarHandleKey + isDecorHandleKey - m_hashedKey - m_isEventStore + VarHandleKey() + operator=() + assign() + initialize() + initialize() + clid() + key() + empty() + storeHandle() + owningHandle() + isEventStore() + start() + hashedKey() # pythonRepr() - setOwningHandle() - setKey() - updateKey() - parseKey() - updateHandle() Node10->Node9 Node45 SG::ReadHandleKey< ActsTrk::MeasurementToTruth ParticleAssociation > + isDecorHandleKey - m_storeHandle - m_sgKey - m_hashedKey - m_isEventStore - m_owningHandle + ReadHandleKey() + operator=() + assign() + initialize() + initialize() + clid() + key() + empty() + storeHandle() + owningHandle() + isEventStore() + start() + hashedKey() # pythonRepr() - setOwningHandle() - setKey() - updateKey() - parseKey() - updateHandle() Node10->Node45 Node46 SG::ReadHandleKey< DataVector< xAOD::StripCluster _v1 > > + isDecorHandleKey - m_storeHandle - m_sgKey - m_hashedKey - m_isEventStore - m_owningHandle + ReadHandleKey() + operator=() + assign() + initialize() + initialize() + clid() + key() + empty() + storeHandle() + owningHandle() + isEventStore() + start() + hashedKey() # pythonRepr() - setOwningHandle() - setKey() - updateKey() - parseKey() - updateHandle() Node10->Node46 Node45->Node1 -m_pixelTruthAssociation   Key -m_stripTruthAssociationKey Node46->Node1 -m_stripClustersKey