import { StopId } from '../stops/stops.js';
import type { RouteId, TripRouteIndex } from '../timetable/route.js';
import { Route } from '../timetable/route.js';
import { ServiceRoute, ServiceRouteId, StopAdjacency } from '../timetable/timetable.js';
import { FrequenciesMap } from './frequencies.js';
import { GtfsRouteId, GtfsRoutesMap } from './routes.js';
import { ServiceIds } from './services.js';
import { GtfsStopsMap } from './stops.js';
import { TransfersMap } from './transfers.js';
export type GtfsTripId = string;
export type GtfsTripIdsMap = Map<GtfsTripId, GtfsRouteId>;
export type TripsMapping = Map<GtfsTripId, {
    routeId: RouteId;
    tripRouteIndex: TripRouteIndex;
}>;
export type GtfsPickupDropOffType = '' | '0' | '1' | '2' | '3';
export type SerializedPickUpDropOffType = 0 | 1 | 2 | 3;
/**
 * Encodes pickup/drop-off types into a Uint8Array using 2 bits per value.
 * Layout per byte: [drop_off_1][pickup_1][drop_off_0][pickup_0] for stops 0 and 1
 */
export declare const encodePickUpDropOffTypes: (pickUpTypes: SerializedPickUpDropOffType[], dropOffTypes: SerializedPickUpDropOffType[]) => Uint8Array;
/**
 * Parses the trips.txt file from a GTFS feed
 *
 * @param tripsStream The readable stream containing the trips data.
 * @param serviceIds A mapping of service IDs to corresponding route IDs.
 * @param serviceRoutes A mapping of route IDs to route details.
 * @returns A mapping of trip IDs to corresponding route IDs.
 */
export declare const parseTrips: (tripsStream: NodeJS.ReadableStream, serviceIds: ServiceIds, validGtfsRoutes: GtfsRoutesMap) => Promise<GtfsTripIdsMap>;
export declare const buildStopsAdjacencyStructure: (serviceRoutes: ServiceRoute[], routes: Route[], transfersMap: TransfersMap, nbStops: number, activeStops: Set<StopId>) => StopAdjacency[];
/**
 * Parses the stop_times.txt data from a GTFS feed.
 *
 * @param stopTimesStream The readable stream containing the stop times data.
 * @param stopsMap A map of parsed stops from the GTFS feed.
 * @param activeTripIds A map of valid trip IDs to corresponding route IDs.
 * @param activeStopIds A set of valid stop IDs.
 * @param frequenciesMap An optional map of frequency windows per trip.
 *   When provided, trips listed in this map are expanded into one concrete
 *   trip per departure that fits within each frequency window, instead of
 *   being kept as a single template trip.
 * @returns A mapping of route IDs to route details. The routes returned correspond to the set of trips from GTFS that share the same stop list.
 */
export declare const parseStopTimes: (stopTimesStream: NodeJS.ReadableStream, stopsMap: GtfsStopsMap, activeTripIds: GtfsTripIdsMap, activeStopIds: Set<StopId>, frequenciesMap?: FrequenciesMap) => Promise<{
    routes: Route[];
    serviceRoutesMap: Map<GtfsRouteId, ServiceRouteId>;
    tripsMapping: TripsMapping;
}>;