public static SubscriptionBuilder AddDefaultSubscription <TEvent>(
this SubscriptionBuilder subscriptionBuilder,
Func <IntegrationEvent <TEvent>, Task> consumer,
Func <IntegrationEvent <TEvent>, Exception, Task> deadLetterCallback = null) where TEvent : class
{
var lambdaConsumer = new LambdaConsumer <TEvent>(consumer);
subscriptionBuilder.AddDefaultSubscription(() => lambdaConsumer, deadLetterCallback);
return(subscriptionBuilder);
}