In https://doc.wikimedia.org/mediawiki-core/master/php/classWANObjectCache.html#a61d34b2b8cc2b3079670589751458f04, there are <dl>, <dt> and <dd> elements which are not intended.
{F34982877 height=150}
```lang=html
<ul>
<li>$oldValue: prior cache value or false if none was present</li>
<li>&$ttl: alterable reference to the TTL to be assigned to the new value</li>
<li>&$setOpts: alterable reference to the <a class="el" href="classWANObjectCache.html#aa1eb038eb185a1c98fd58f5ab0479f3b" title="Set the value of a key in cache.">set()</a> options to be used with the new value</li>
<li><dl class="section rcs"><dt>oldAsOf</dt><dd>generation UNIX timestamp of </dd></dl>
oldValue or null if not present (since 1.28)</li>
<li><dl class="section rcs"><dt>params</dt><dd>custom field/value map as defined by </dd></dl>
cbParams (since 1.35)</li>
</ul>
```
The code of it is: (https://phabricator.wikimedia.org/source/mediawiki/browse/master/includes/libs/objectcache/wancache/WANObjectCache.php$1201)
```lang=php
/**
* - $oldValue: prior cache value or false if none was present
* - &$ttl: alterable reference to the TTL to be assigned to the new value
* - &$setOpts: alterable reference to the set() options to be used with the new value
* - $oldAsOf: generation UNIX timestamp of $oldValue or null if not present (since 1.28)
* - $params: custom field/value map as defined by $cbParams (since 1.35)
*/
```