DerivationFramework::TrackMeasurementThinning Node1 DerivationFramework ::TrackMeasurementThinning - m_selectionString - m_ntot - m_npass - m_streamName - m_SGKey + TrackMeasurementThinning() + ~TrackMeasurementThinning() + initialize() + finalize() + doThinning() Node2 extends< ExpressionParser User< AthAlgTool >, IThinningTool > Node2->Node1