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

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