public Task<DecreaseStreamRetentionPeriodResponse> DecreaseStreamRetentionPeriodAsync(DecreaseStreamRetentionPeriodRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DecreaseStreamRetentionPeriodRequestMarshaller();
var unmarshaller = DecreaseStreamRetentionPeriodResponseUnmarshaller.Instance;
return InvokeAsync<DecreaseStreamRetentionPeriodRequest,DecreaseStreamRetentionPeriodResponse>(request, marshaller,
unmarshaller, cancellationToken);
}