public VariantControllerHandler(IVariantManager variantManager)
 {
     _variantManager = variantManager;
 }
 public ProductVariantManager(IGenericRepository <Data.ProductVariant> genericProductVariantRepository, IVariantManager variantManager)
 {
     _genericProductVariantRepository = genericProductVariantRepository;
     _variantManager = variantManager;
 }
 public ProductControllerHandler(IProductManager productManager, IVariantManager variantManager, IProductVariantManager productVariantManager)
 {
     _productManager        = productManager;
     _variantManager        = variantManager;
     _productVariantManager = productVariantManager;
 }