Muon::IMuonSegmentHitSummaryTool Node1 Muon::IMuonSegmentHitSummaryTool + getHitCounts() + interfaceID() Node3 Muon::MuonSegmentHitSummaryTool - m_idHelperSvc - m_edmHelperSvc - m_printer - m_DetectorManagerKey - m_positionAlongTubeCut - m_lowerADCBound + MuonSegmentHitSummaryTool() + ~MuonSegmentHitSummaryTool() + initialize() + getHitCounts() Node1->Node3 Node2 IAlgTool Node2->Node1