Check to see if the bucket exists and if it doesn't create the bucket.
This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginEnsureBucketExists and EndEnsureBucketExists.
public abstract Task EnsureBucketExistsAsync( String bucketName )
Supported in: 1.3
Supported in: 4.5
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms