           <td>Boolean</td>
            <td>Indicates whether to start delegation tokens system for external services.</td>
        </tr>
        <tr>
            <td><h5>security.delegation.tokens.renewal.retry.backoff</h5></td>
            <td style="word-wrap: break-word;">1 h</td>
            <td>Duration</td>
            <td>The time period how long to wait before retrying to obtain new delegation tokens after a failure.</td>
        </tr>
        <tr>
            <td><h5>security.delegation.tokens.ren