ClassyTaxiJava/app/src/main/java/com/sample/android/classytaxijava/billing/BillingClientLifecycle.java [185:202]:
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                break;
            case BillingClient.BillingResponseCode.SERVICE_DISCONNECTED:
            case BillingClient.BillingResponseCode.SERVICE_UNAVAILABLE:
            case BillingClient.BillingResponseCode.BILLING_UNAVAILABLE:
            case BillingClient.BillingResponseCode.ITEM_UNAVAILABLE:
            case BillingClient.BillingResponseCode.DEVELOPER_ERROR:
            case BillingClient.BillingResponseCode.ERROR:
                Log.e(TAG, "onSkuDetailsResponse: " + responseCode + " " + debugMessage);
                break;
            case BillingClient.BillingResponseCode.USER_CANCELED:
                Log.i(TAG, "onSkuDetailsResponse: " + responseCode + " " + debugMessage);
                break;
            // These response codes are not expected.
            case BillingClient.BillingResponseCode.FEATURE_NOT_SUPPORTED:
            case BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED:
            case BillingClient.BillingResponseCode.ITEM_NOT_OWNED:
            default:
                Log.wtf(TAG, "onSkuDetailsResponse: " + responseCode + " " + debugMessage);
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TrivialDriveJava/app/src/main/java/com/sample/android/trivialdrivesample/billing/BillingDataSource.java [382:399]:
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                break;
            case BillingClient.BillingResponseCode.SERVICE_DISCONNECTED:
            case BillingClient.BillingResponseCode.SERVICE_UNAVAILABLE:
            case BillingClient.BillingResponseCode.BILLING_UNAVAILABLE:
            case BillingClient.BillingResponseCode.ITEM_UNAVAILABLE:
            case BillingClient.BillingResponseCode.DEVELOPER_ERROR:
            case BillingClient.BillingResponseCode.ERROR:
                Log.e(TAG, "onSkuDetailsResponse: " + responseCode + " " + debugMessage);
                break;
            case BillingClient.BillingResponseCode.USER_CANCELED:
                Log.i(TAG, "onSkuDetailsResponse: " + responseCode + " " + debugMessage);
                break;
            // These response codes are not expected.
            case BillingClient.BillingResponseCode.FEATURE_NOT_SUPPORTED:
            case BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED:
            case BillingClient.BillingResponseCode.ITEM_NOT_OWNED:
            default:
                Log.wtf(TAG, "onSkuDetailsResponse: " + responseCode + " " + debugMessage);
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