1 #ifndef EgammaReco_PhotonFwd_h
2 #define EgammaReco_PhotonFwd_h
edm::RefVector< PhotonCollection > PhotonRefVector
vector of objects in the same collection of Photon objects
edm::RefProd< PhotonCollection > PhotonRefProd
reference to a collection of Photon objects
edm::Ref< PhotonCollection > PhotonRef
reference to an object in a collection of Photon objects
std::vector< Photon > PhotonCollection
collectin of Photon objects
PhotonRefVector::iterator photon_iterator
iterator over a vector of reference to Photon objects