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

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