public static AWSdrsAsyncClientBuilder asyncBuilder() {
        return AWSdrsAsyncClientBuilder.standard();
    }
Client for accessing drs asynchronously. Each asynchronous method will return a Java Future object representing the
asynchronous operation; overloads which accept an {@code AsyncHandler} can be used to receive notification when an
asynchronous operation completes.
<p>
<p>
AWS Elastic Disaster Recovery Service.
</p>
aws-java-sdk-drs/src/main/java/com/amazonaws/services/drs/AWSdrsAsyncClient.java