Extension:Translate/Hooks/TranslateProcessAPIMessageGroupsProperties

Details

 * array         &$a: Associative array of the properties of $group that will be returned
 * array          $props: Associative array ($name => true) of properties the user has specifically requested
 * array          $params: Parameter input by the user (unprefixed name => value)
 * MessageGroup   $g: The group in question