Browse files in silverstripe / siteconfig / classes / SilverStripe_SiteConfig_SiteConfigPagePermissions
Visit ssmods.com to search for Silvertripe Modules.
Search in silverstripe / siteconfig / classes / SilverStripe_SiteConfig_SiteConfigPagePermissions
Search for classes, interfaces, traits and methods by name.
site wide Google Search
Beware: Google is usually a bit out of date.