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

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