copyWith method
Creates a copy of this TModel but with the given fields replaced with the new values.
For example:
var myModel2 = myModel1.copyWith(age: 42);
Implementation
@override
FastInAppPurchase copyWith({
String? productId,
bool? enabled,
}) =>
FastInAppPurchase(
productId: productId ?? this.productId,
enabled: enabled ?? this.enabled,
);