export declare class DepartureCalculator {
    /**
     * Calculates the predicted departure time based on the scheduled departure time, arrival time and delay.
     **/
    static getPredictedDepartureTime(departureTime: Date, arrivalTime: Date | null, delayInSeconds: number | null): Date;
    /**
     * Calculates the number of minutes until the predicted departure time.
     **/
    static getDepartureMinutes(predictedDepartureTime: Date): number;
}