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

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