public static SubscriptionBuilder <TSubscription, TOptions> UseCheckpointStore <TSubscription, TOptions, T>(
this SubscriptionBuilder <TSubscription, TOptions> builder
) where T : class, ICheckpointStore
where TSubscription : EventStoreCatchUpSubscriptionBase <TOptions>
where TOptions : CatchUpSubscriptionOptions
{
builder.Services.TryAddSingleton <T>();
return(builder.AddParameterMap <ICheckpointStore, T>());
}
