ZMassConstraint::ConstraintFitOutput Node1 ZMassConstraint::Constraint FitOutput # m_covariance # m_covariancePhiThetaP + ConstraintFitOutput() + ~ConstraintFitOutput() + getNConstituents() + getConstituentFourVector() + getCompositeFourVector() + getConstituentCovariance PhiThetaP() + getConstituentCovariance PhiThetaP() + getConstituentCovarianced0z0 PhiThetaP() + getConstituentCovarianced0z0 PhiThetaP() + getConstituentCovariance PhiThetaP() + setFitOutput() Node2 std::vector< TLorentzVector > + elements Node2->Node1 #m_particleList