https://docs.aws.amazon.com/sdkfornet/v4/apidocs/items/S3/MIS3GetObjectAttributesAsyncGetObjectAttributesRequestCancellationToken.html
IAmazonS3.GetObjectAttributesAsync Method (GetObjectAttributesRequest, CancellationToken) | AWS SDK...
IAmazonS3.GetObjectAttributesAsync Method (GetObjectAttributesRequest, CancellationToken)
methodcancellationtokenawssdk