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

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