code: @Override
  	public com.liferay.commerce.discount.model.CommerceDiscountUserSegmentRel updateCommerceDiscountUserSegmentRel(
  		com.liferay.commerce.discount.model.CommerceDiscountUserSegmentRel commerceDiscountUserSegmentRel) {
  		return _commerceDiscountUserSegmentRelLocalService.updateCommerceDiscountUserSegmentRel(commerceDiscountUserSegmentRel);
  	}
docs: Updates the commerce discount user segment rel in the database or adds it if it does not yet exist. Also notifies the appropriate model listeners.
  
  @param commerceDiscountUserSegmentRel the commerce discount user segment rel
  @return the commerce discount user segment rel that was updated