@Override
    protected AWSPaymentCryptographyAsync build(AwsAsyncClientParams params) {
        return new AWSPaymentCryptographyAsyncClient(params);
    }
Construct an asynchronous implementation of AWSPaymentCryptographyAsync using the current builder configuration.

@param params
       Current builder configuration represented as a parameter object.
@return Fully configured implementation of AWSPaymentCryptographyAsync.
aws-java-sdk-paymentcryptography/src/main/java/com/amazonaws/services/paymentcryptography/AWSPaymentCryptographyAsyncClientBuilder.java