code: public java.util.List<String> getBillingProducts() {
          if (billingProducts == null) {
              billingProducts = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return billingProducts;
      }
docs: <p>
  The billing product codes. Your account must be authorized to specify billing product codes. Otherwise, you can
  use the AWS Marketplace to bill for the use of an AMI.
  </p>
  
  @return The billing product codes. Your account must be authorized to specify billing product codes. Otherwise,
  you can use the AWS Marketplace to bill for the use of an AMI.