public void setArn(String arn) {
        this.arn = arn;
    }
<p>
The ARN (Amazon Resource Name) of the import task.
</p>

@param arn
       The ARN (Amazon Resource Name) of the import task.
aws-java-sdk-iotwireless/src/main/java/com/amazonaws/services/iotwireless/model/StartSingleWirelessDeviceImportTaskResult.java