Trk::VKMassConstraint Node1 Trk::VKMassConstraint - m_usedParticles - m_targetMass + VKMassConstraint() + VKMassConstraint() + ~VKMassConstraint() + clone() + setTargetMass() + applyConstraint() + getTargetMass() + getUsedParticles() Node2 Trk::VKConstraintBase + NCDim + NTrk + aa + f0t + h0t # m_originVertex # m_type + VKConstraintBase() + ~VKConstraintBase() + getOriginVertex() + getType() + clone() + applyConstraint() Node2->Node1