MediaWiki:Apihelp-query+siteinfo-paramvalue-prop-languagevariants - MTG Wiki

Returns a list of language codes for which LanguageConverter is enabled, and the variants supported for each.

「http://www.hercle.shop/index.php/MediaWiki:Apihelp-query%2Bsiteinfo-paramvalue-prop-languagevariants」から取得