29 virtual std::vector<RefCountedKinematicTree>
fit(std::vector<RefCountedKinematicTree> trees,
virtual std::vector< RefCountedKinematicTree > fit(std::vector< RefCountedKinematicTree > trees, KinematicConstraint *cs) const =0
virtual ParentParticleFitter * clone() const =0
virtual ~ParentParticleFitter()