Which protection expiry to filter the page on:
- indefinite
- Get only pages with indefinite protection expiry.
- definite
- Get only pages with a definite (specific) protection expiry.
- all
- Get pages with any protections expiry.
MediaWiki:Apihelp-query+allpages-param-prexpiry
From JaWiki (Jabber/XMPP wiki)
