public async Task BecomeConsumer(Guid streamId, string providerToUse, string streamNamespace)
{
_providerToUseForConsumer = providerToUse;
_consumer = ConsumerObserver.NewObserver(this._logger);
await _consumer.BecomeConsumer(streamId, GetStreamProvider(providerToUse), streamNamespace);
}
public async Task StopBeingConsumer()
{
await _consumer.StopBeingConsumer(GetStreamProvider(_providerToUseForConsumer));
_consumer = null;
}