* equivalent to the corresponding member of $wgDBservers
* - tablePrefix Table prefix, the foreign wiki's $wgDBprefix
* - hasSharedCache Set to true if the foreign wiki's $wgMainCacheType is identical to,
* equivalent to the corresponding member of $wgDBservers
* - tablePrefix Table prefix, the foreign wiki's $wgDBprefix
* - hasSharedCache Set to true if the foreign wiki's $wgMainCacheType is identical to,
* If a purge for a URL reaches cdn2 before cdn1 and a request reaches cdn2 for that URL,
* it will populate the response from the stale cdn1 value. When cdn1 gets the purge, cdn2
* will still be stale. If the rebound purge delay is safely higher than the time to relay
* If a purge for a URL reaches cdn2 before cdn1 and a request reaches cdn2 for that URL,
* it will populate the response from the stale cdn1 value. When cdn1 gets the purge, cdn2
* will still be stale. If the rebound purge delay is safely higher than the time to relay
* Allow style-related user-preferences?
*
* This controls whether the `editfont` and `underline` preferences
* Allow style-related user-preferences?
*
* This controls whether the `editfont` and `underline` preferences
* that uses it, MediaWiki can broadcast events to all subscribers. Certain features like WAN
* cache purging and CDN cache purging will emit events to this system. Appropriate listers can
* subscribe to the channel and take actions based on the events. For example, a local daemon
* that uses it, MediaWiki can broadcast events to all subscribers. Certain features like WAN
* cache purging and CDN cache purging will emit events to this system. Appropriate listers can
* subscribe to the channel and take actions based on the events. For example, a local daemon
*
* Some extensions may want to use "channel categories" so that different channels can also share
* the same custom relayer instance (e.g. when it's likely to be overriden). They can use
*
* Some extensions may want to use "channel categories" so that different channels can also share
* the same custom relayer instance (e.g. when it's likely to be overriden). They can use