public void setArn(String arn) {
        this.arn = arn;
    }
<p>
The ARN of the new local index for the Region. You can reference this ARN in IAM permission policies to authorize
the following operations: <a>DeleteIndex</a> | <a>GetIndex</a> | <a>UpdateIndexType</a> | <a>CreateView</a>
</p>

@param arn
       The ARN of the new local index for the Region. You can reference this ARN in IAM permission policies to
       authorize the following operations: <a>DeleteIndex</a> | <a>GetIndex</a> | <a>UpdateIndexType</a> |
       <a>CreateView</a>
aws-java-sdk-resourceexplorer2/src/main/java/com/amazonaws/services/resourceexplorer2/model/CreateIndexResult.java