feat(in-app-purchase-2): update validator for custom headers (#4262)

src/@awesome-cordova-plugins/plugins/in-app-purchase-2/index.ts

@@ -745,7 +745,13 @@ export class InAppPurchase2 extends AwesomeCordovaNativePlugin {
  products: IAPProducts;
 
  @CordovaProperty()
- validator: string | ((url: string | IAPProduct, callback: Function) => void);
+ validator:
+ | string
+ | ((url: string | IAPProduct, callback: Function) => void)
+ | {
+ url: string;
+ headers?: { [token: string]: string };
+ };
 
  @CordovaProperty()
  applicationUsername: string | (() => string);
@@ -915,8 +921,11 @@ export class InAppPurchase2 extends AwesomeCordovaNativePlugin {
  /** Opens the Manage Billing page (AppStore, Play, Microsoft, ...), where the user can update his/her payment methods. */
  @Cordova({ sync: true })
  manageBilling(): void {}
- 
+
  /** Open the subscription price change notification workflow. (Play) See: https://developer.android.com/google/play/billing/subscriptions#price-change-communicate */
  @Cordova({ sync: true })
- launchPriceChangeConfirmationFlow(productId: string, callback: (status: 'OK' | 'UnknownProduct' | 'UserCanceled') => void): void {};
+ launchPriceChangeConfirmationFlow(
+ productId: string,
+ callback: (status: 'OK' | 'UnknownProduct' | 'UserCanceled') => void
+ ): void {}
 }