type ValueMapper<Our extends number | string, Gtfs extends number | string> = Record<Our, Gtfs>;
export declare function createGtfsMapper<Our extends number | string, Gtfs extends number | string>(map: ValueMapper<Our, Gtfs>): {
    fromGtfs: (value: Gtfs) => Our;
    toGtfs: (value: Our) => Gtfs;
};
export {};