Logging C# Client Library API Retries?

[BRH]

I have a method implementing the GCP Storage API in .net 6 as follows:

byte[] imageDataBytes;
string bucketName = _configuration["UPLOADS_BUCKET"];
var storage = StorageClient.Create();
  using (var memoryStream = new MemoryStream())
  {
    try
    {
      await storage.DownloadObjectAsync(
        bucketName,
        GetImageDestination(application, environment, imageId, imageExt, width, height),
                        memoryStream);
    }
    catch (GoogleApiException e)
    {
      if (e.HttpStatusCode == HttpStatusCode.NotFound)
      {
        throw new ImageNotFoundException();
      }

      _logger.LogError(LogEvent.StorageFail, e, "Unhandled GoogleAPIException thrown.");
      throw;
    }

    imageDataBytes = memoryStream.ToArray();
  }

return imageDataBytes;

I have logged some (exceptionally infrequent) 503 errors when attempting to access files when GCP wasn't available. Looking into implementing a retry, documentation shows the C# client library implements an exponential backoff by default.  

Is there a way to log this backoff process and each GCP API retry?

Many thanks!