DerivationFramework::TruthCollectionMakerElectron Node1 DerivationFramework ::TruthCollectionMakerElectron   - updateMask() Node2 DerivationFramework ::TruthCollectionMakerBase - m_ntotpart - m_npasspart - m_particlesKey - m_outputParticlesKey - m_buildingW - m_buildingZ - m_do_compress - m_do_sherpa - m_keep_navigation_info - m_linkDecoratorKey and 12 more... + initialize() + finalize() + addBranches() # updateMask() Node2->Node1 Node3 extends< AthAlgTool, IAugmentationTool >     Node3->Node2