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

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