import * as React from 'react';
export type DurationFormat = 'short' | 'medium' | 'detailed' | 'abbreviated' | 'shortAbbreviated' | 'verbose' | 'detailedVerbose';
export type DurationProps = {
    seconds: number
    format?: DurationFormat
    className?: string
    ariaLabel?: string
};
export declare const Duration: React.ComponentType<DurationProps>;
export declare function formatDuration(seconds: number, format?: DurationFormat): string;