code: public void setOfferingPromotions(java.util.Collection<OfferingPromotion> offeringPromotions) {
          if (offeringPromotions == null) {
              this.offeringPromotions = null;
              return;
          }
  
          this.offeringPromotions = new java.util.ArrayList<OfferingPromotion>(offeringPromotions);
      }
docs: <p>
  Information about the offering promotions.
  </p>
  
  @param offeringPromotions
  Information about the offering promotions.