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

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