MuonCalib::SimpleMdtSegmentSelector Node1 MuonCalib::SimpleMdtSegment Selector - m_chi2_max - m_hits_min - m_printLevel + SimpleMdtSegmentSelector() + select() + setPrintLevel() Node2 MuonCalib::IMdtSegmentSelector + ~IMdtSegmentSelector() + select() + setPrintLevel() Node2->Node1