public static AWSFreeTierAsyncClientBuilder asyncBuilder() {
        return AWSFreeTierAsyncClientBuilder.standard();
    }
Client for accessing AWS Free Tier 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>
You can use the Amazon Web Services Free Tier API to query programmatically your Free Tier usage data.
</p>
<p>
Free Tier tracks your monthly usage data for all free tier offers that are associated with your Amazon Web Services
account. You can use the Free Tier API to filter and show only the data that you want.
</p>
<p>
Service endpoint
</p>
<p>
The Free Tier API provides the following endpoint:
</p>
<ul>
<li>
<p>
https://freetier.us-east-1.api.aws
</p>
</li>
</ul>
<p>
For more information, see <a
href="https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/billing-free-tier.html">Using the Amazon Web
Services Free Tier</a> in the <i>Billing User Guide</i>.
</p>
aws-java-sdk-freetier/src/main/java/com/amazonaws/services/freetier/AWSFreeTierAsyncClient.java