@interface PPFlightEventsAggregator : PPEventsAggregator - (id)_multiDestinationsFlights; - (id)_returningFlightForFlight:(id)a0 inPool:(id)a1; - (id)_simpleRoundTripFlights; - (BOOL)isEvent:(id)a0 dupeOfEvent:(id)a1; - (id)tripCandidatesFromEventsPool; @end