@Override
    protected AmazonLexRuntimeV2Async build(AwsAsyncClientParams params) {
        return new AmazonLexRuntimeV2AsyncClient(params);
    }
Construct an asynchronous implementation of AmazonLexRuntimeV2Async using the current builder configuration.

@param params
       Current builder configuration represented as a parameter object.
@return Fully configured implementation of AmazonLexRuntimeV2Async.
aws-java-sdk-lexruntimev2/src/main/java/com/amazonaws/services/lexruntimev2/AmazonLexRuntimeV2AsyncClientBuilder.java