ClassyTaxiJava/app/src/main/java/com/sample/android/classytaxijava/billing/BillingClientLifecycle.java [248:262]:
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                break;
            case BillingClient.BillingResponseCode.USER_CANCELED:
                Log.i(TAG, "onPurchasesUpdated: User canceled the purchase");
                break;
            case BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED:
                Log.i(TAG, "onPurchasesUpdated: The user already owns this item");
                break;
            case BillingClient.BillingResponseCode.DEVELOPER_ERROR:
                Log.e(TAG, "onPurchasesUpdated: Developer error means that Google Play " +
                        "does not recognize the configuration. If you are just getting started, " +
                        "make sure you have configured the application correctly in the " +
                        "Google Play Console. The SKU product ID must match and the APK you " +
                        "are using must be signed with release keys."
                );
                break;
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TrivialDriveJava/app/src/main/java/com/sample/android/trivialdrivesample/billing/BillingDataSource.java [805:819]:
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                break;
            case BillingClient.BillingResponseCode.USER_CANCELED:
                Log.i(TAG, "onPurchasesUpdated: User canceled the purchase");
                break;
            case BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED:
                Log.i(TAG, "onPurchasesUpdated: The user already owns this item");
                break;
            case BillingClient.BillingResponseCode.DEVELOPER_ERROR:
                Log.e(TAG, "onPurchasesUpdated: Developer error means that Google Play " +
                        "does not recognize the configuration. If you are just getting started, " +
                        "make sure you have configured the application correctly in the " +
                        "Google Play Console. The SKU product ID must match and the APK you " +
                        "are using must be signed with release keys."
                );
                break;
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