code: public static PriceUtils getPriceUtils() {
      if (priceUtils == null) {
        try {
          Class clazz = Class.forName(PRICE_UTILS);
          priceUtils = (PriceUtils) clazz.newInstance();
        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
          LOGGER.warn("Cannot instanciate util: {}", e.getMessage());
          throw new IllegalStateException(e);
        }
      }
      return priceUtils;
    }
docs: Retrieve PriceUtils implementation
  @return PriceUtils instance