export type DistanceSystem = "metric" | "imperial" | "imperialWithYards";
export type DurationFormatter = {
    format(input: number): string;
};
export type DistanceFormatter = {
    format(input: number, system?: DistanceSystem, maximumFractionDigits?: number): string;
};
export declare function LocalizedDurationFormatter(): DurationFormatter;
export declare function LocalizedDistanceFormatter(): DistanceFormatter;