BillingClientFactory typedef

@visibleForTesting BillingClientFactory = BillingClient Function(PurchasesUpdatedListener onPurchasesUpdated, UserSelectedAlternativeBillingListener? alternativeBillingListener)

Factory for creating BillingClient instances, to allow injection of custom billing clients in tests.

Implementation

@visibleForTesting
typedef BillingClientFactory =
    BillingClient Function(
      PurchasesUpdatedListener onPurchasesUpdated,
      UserSelectedAlternativeBillingListener? alternativeBillingListener,
    );