MuonCalib::MdtTubeFitContainer::SingleTubeFit Node1 MuonCalib::MdtTubeFitContainer ::SingleTubeFit + statistics + n_hits + n_hits_above_adc_cut + chi2Tdc + chi2TdcEnd + adc_chi2 + SingleTubeFit() Node2 std::array< float, 36 > + elements Node2->Node1 +cov Node3 std::array< float, 8 > + elements Node3->Node1 +par Node4 std::string Node4->Node1 +group_by Node5 std::basic_string< char > Node5->Node4 Node6 std::array< float, 4 > + elements Node6->Node1 +adc_err +adc_par