MediaWiki:Apihelp-query+info-paramvalue-prop-linkclasses
From Unusual Haunts
Gives the additional CSS classes (e.g. link colors) used for links to this page if they were to appear on the page named by $1linkcontext.
Gives the additional CSS classes (e.g. link colors) used for links to this page if they were to appear on the page named by $1linkcontext.