jet::InfoHelperPtAbsEta Node1 jet::InfoHelperPtAbsEta + InfoHelperPtAbsEta() + clone() + isValid() Node2 jet::InfoHelper # m_validHist # m_energyScale # m_massDef + InfoHelper() + ~InfoHelper() + clone() + isValid() # getAbsMass() # getMassOverPt() # getMassOverE() Node2->Node1