code: public void rollback() throws ServiceBusException, InterruptedException {
          if (this.messagingFactory == null) {
              throw new ServiceBusException(false, "MessagingFactory should not be null");
          }
  
          this.messagingFactory.endTransaction(this, false);
      }
docs: Rollback the transaction
  @throws ServiceBusException if rollback failed
  @throws InterruptedException if the current thread was interrupted while waiting