/// <summary>
/// Optionally provide a storage event observer, e.g. a <see cref="CloudStorageInstrumentationSubject"/>.
/// </summary>
public CloudStorageBuilder WithObserver(ICloudStorageObserver observer)
{
Observer = observer;
return this;
}
/// <param name="observer">Can be <see langword="null"/>.</param>
internal RetryPolicies(ICloudStorageObserver observer)
{
_observer = observer;
}
