public async Task DeleteAsync()
{
_logger?.Verbose("BlockBlob: DeleteAsync - attempting delete of {0}", _name);
Stopwatch sw = Stopwatch.StartNew();
await _blockBlob.DeleteIfExistsAsync();
sw.Stop();
_logger?.Verbose("BlockBlob: DeleteAsync - delete of {0} succeeded in {1}ms", _name, sw.ElapsedMilliseconds);
}