MdtDigitizationR4 → Generators Relation

File in MuonSpectrometer/MuonPhaseII/MuonDigitization/MdtDigitizationR4	Includes file in Generators
src / MuonPhaseII/MuonDigitization/MdtDigitizationR4/src/MdtDigitizationTool.cxx	TruthUtils / TruthUtils / HepMCHelpers.h