docs: @SdkInternalApi
      void updatePersistableTransfer(Integer lastFullyDownloadedPartNumber) {
          synchronized (this) {
              this.lastFullyDownloadedPartNumber = lastFullyDownloadedPartNumber;
          }
  
          persistableDownload = captureDownloadState(getObjectRequest, file);
          S3ProgressPublisher.publishTransferPersistable(progressListenerChain, persistableDownload);
      }