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

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