https://doc.wikimedia.org/mediawiki-core/master/php/classCleanupUploadStash.html
MediaWiki: CleanupUploadStash Class Reference
mediawikiclassreference
https://doc.wikimedia.org/mediawiki-core/master/php/cleanupUploadStash_8php_source.html
MediaWiki: maintenance/cleanupUploadStash.php Source File
mediawikimaintenancephpsourcefile