G4UserActions → Generators Relation

File in Simulation/G4Utilities/G4UserActions	Includes file in Generators
src / HIPKiller.cxx	TruthUtils / TruthUtils / HepMCHelpers.h
src / LooperKiller.cxx	TruthUtils / TruthUtils / HepMCHelpers.h
src / StoppedParticleAction.cxx	TruthUtils / TruthUtils / HepMCHelpers.h