flutter_inapp_purchase library Null safety

Classes

AndroidProrationMode
A list of valid values for ProrationMode parameter https://developer.android.com/reference/com/android/billingclient/api/BillingFlowParams.ProrationMode
ConnectionResult
DiscountIOS
FlutterInappPurchase
IAPItem
An item available for purchase from either the Google Play Store or iOS AppStore
PurchasedItem
An item which was purchased from either the Google Play Store or iOS AppStore
PurchaseResult

Enums

PurchaseState
See also https://developer.android.com/reference/com/android/billingclient/api/Purchase.PurchaseState
ResponseCodeAndroid
TransactionState
See also https://developer.apple.com/documentation/storekit/skpaymenttransactionstate