1 #ifndef HepMCCandidate_GenParticleFwd_h
2 #define HepMCCandidate_GenParticleFwd_h
std::vector< GenParticle > GenParticleCollection
collection of GenParticles
edm::Ref< GenParticleCollection > GenParticleRef
persistent reference to a GenParticle
edm::RefProd< GenParticleCollection > GenParticleRefProd
persistent reference to a GenParticle collection
edm::RefVector< GenParticleCollection > GenParticleRefVector
vector of reference to GenParticle in the same collection
edm::Association< GenParticleCollection > GenParticleMatch
vector of reference to GenParticle in the same collection