https://doc.wikimedia.org/mediawiki-core/master/php/ContentHandlerFactory_8php.html
MediaWiki: includes/Content/ContentHandlerFactory.php File Reference
mediawikiincludescontentphpfile
https://docs.oracle.com/javase/jp/15/docs/api/java.base/java/net/ContentHandlerFactory.html
ContentHandlerFactory (Java SE 15 & JDK 15)
declaration: module: java.base, package: java.net, interface: ContentHandlerFactory
java sejdk