public String getRootDeviceName() {
        return this.rootDeviceName;
    }
<p>
The device name of the root device volume (for example, <code>/dev/sda1</code>).
</p>

@return The device name of the root device volume (for example, <code>/dev/sda1</code>).
aws-java-sdk-snowdevicemanagement/src/main/java/com/amazonaws/services/snowdevicemanagement/model/Instance.java