+ static void setPreferredFrontend(int index) { PreferredFrontendIndex = index; }
+ static int getPreferredFrontend() { return PreferredFrontendIndex; }
+ bool supportsDeliverySystem(const fe_delivery_system_t &sys, bool obeywhitelist);
+ void setDeliverySystemWhitelist(const std::vector<fe_delivery_system_t> &whitelist);