Thread:Support/About MediaWiki:Apihelp-query+messagegroups-param-prop/ksh

Assuming that: must not be translated, we need Documentation.
 * id:
 * label:
 * description:
 * class:
 * namespace:
 * exists:
 * icon:
 * priority:
 * prioritylangs:
 * priorityforce:
 * workflowstates: