public EligibilityController(IProductDataRepository productDataRepo, IProductEligibilityParamRepository productEligibilityParamRepo)
 {
     productDataRepository             = productDataRepo;
     productEligibilityParamRepository = productEligibilityParamRepo;
 }
 public CompositeEligibilityFactory(IProductEligibilityParamRepository prodEligRepo, IProductParamToEligibilityMapper mapper)
 {
     _prodEligRepository = prodEligRepo;
     _eligibilityMapper  = mapper;
 }