&updater: A DatabaseUpdater subclass
'LocalFile::getHistory': called before file history query performed
-$file: the file
+$file: the File object
$tables: tables
$fields: select fields
$conds: conditions
$opts: query options
$join_conds: JOIN conditions
+'LocalFilePurgeThumbnails': called before thumbnails for a local file a purged
+$file: the File object
+$type: either "current" or "archive"
+
'LocalisationCacheRecache': Called when loading the localisation data into cache
$cache: The LocalisationCache object
$code: language code