public void setArn(String arn) {
        this.arn = arn;
    }
<p>
The <a href="https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html">Amazon resource name
(ARN)</a> of the index that you successfully started the deletion process.
</p>
<note>
<p>
This operation is asynchronous. To check its status, call the <a>GetIndex</a> operation.
</p>
</note>

@param arn
       The <a href="https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html">Amazon resource
       name (ARN)</a> of the index that you successfully started the deletion process.</p> <note>
       <p>
       This operation is asynchronous. To check its status, call the <a>GetIndex</a> operation.
       </p>
aws-java-sdk-resourceexplorer2/src/main/java/com/amazonaws/services/resourceexplorer2/model/DeleteIndexResult.java