/// <reference types="node" />
import { Readable } from "stream";
import { TimeParser } from "./TimeParser";
import { StopID, StopIndex, Time } from "./Gtfs";
import { TimetableConnection } from "../journey/Connection";
import { Transfer } from "..";
/**
 * Returns trips, transfers, interchange time and calendars from a GTFS zip.
 */
export declare class GtfsLoader {
    private readonly timeParser;
    constructor(timeParser: TimeParser);
    load(input: Readable): Promise<GtfsData>;
}
/**
 * Transfers indexed by origin
 */
export declare type TransfersByOrigin = Record<StopID, Transfer[]>;
/**
 * Index of stop to interchange time
 */
export declare type Interchange = Record<StopID, Time>;
/**
 * Contents of the GTFS zip file
 */
export declare type GtfsData = {
    connections: TimetableConnection[];
    transfers: TransfersByOrigin;
    interchange: Interchange;
    stops: StopIndex;
};