import type { ConnectionIndex } from "./Connection.js";
import type { DateNumber, Time } from "@gb-transit/gtfs-loader";
import { type Arrivals } from "./ScanResults.js";
import { type StopIdx, type Timetable } from "../network/Timetable.js";
/**
 * Implementation of the Raptor journey planning algorithm
 */
export declare class RaptorAlgorithm {
    private readonly timetable;
    /**
     * Reused by every scan. A scan is synchronous, so there is never more than one route in flight.
     */
    private readonly routes;
    private readonly queue;
    constructor(timetable: Timetable);
    /**
     * Perform a plan of the routes at a given time and return the resulting kConnections index
     */
    scan(origins: Origins, date: DateNumber): [ConnectionIndex, Arrivals];
    private scanRoutes;
    private scanTransfers;
}
/**
 * The stops a search starts from, each with the time it is reached at
 */
export type Origins = Map<StopIdx, Time>;