com/protocol-buffers/docs/reference/google.protobuf#duration">Duration</a></div>
</div></td>
<td>
<p>The time duration between keep-alive probes.
Default is to use the OS level configuration
(unless overridden, Linux defaults to 75s.)</p>

</td>
</tr>
</tbody>
</table>
</section>
<h3 id="ConnectionPoolSettings-HTTPSettings">HTTPSettings</h3>
<section>
<p>Settings applicable to HTTP1.1/HTTP2/GRPC connections.</p>

<table class="message-fields">
<thead>
<tr>
<th>Field</th>
<th>Description</th>
</tr>
</thead>
