export declare const unitNames: readonly ["second", "minute", "hour", "day", "month", "year"];
export declare type Unit = typeof unitNames[number];
export declare function timeAgo(date: Date): [number, Unit];
export declare function microTimeAgo(date: Date): [number, Unit];
export declare function timeUntil(date: Date): [number, Unit];
export declare function microTimeUntil(date: Date): [number, Unit];
export declare function elapsedTime(date: Date): Array<[number, Unit]>;