code: func DeleteSubscription(b bool) broker.Option {
  	return func(o *broker.Options) {
  		if o.Context == nil {
  			o.Context = context.Background()
  		}
  
  		o.Context = context.WithValue(o.Context, deleteSubscription{}, b)
  	}
  }
docs: // DeleteSubscription prevents the deletion of the subscription if it not exists