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

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