CscDigit Node1 CscDigit - m_charge - m_time - m_sampleCharges + CscDigit() + CscDigit() + CscDigit() + CscDigit() + is_valid() + charge() + time() + sampleCharges() Node2 MuonDigit # m_muonId + MuonDigit() + ~MuonDigit() + MuonDigit() + setID() + identify() Node2->Node1 Node3 Identifiable + ~Identifiable() + identify() + identifyHash() + getHelper() Node3->Node2