#include "EPlusAnnihilationProcess.hh"
#include <memory>
#include <type_traits>
#include <utility>
#include "corecel/cont/Range.hh"
#include "celeritas/em/model/EPlusGGModel.hh"
#include "celeritas/phys/Model.hh"
#include "celeritas/phys/PDGNumber.hh"