protected static $savedQueriesPreferenceName = 'rcfilters-saved-queries';
protected static $daysPreferenceName = 'rcdays'; // Use general RecentChanges preference
protected static $limitPreferenceName = 'rcfilters-limit'; // Use RCFilters-specific preference
+ protected static $collapsedPreferenceName = 'rcfilters-rc-collapsed';
private $watchlistFilterGroupDefinition;