export declare function getDifference(date: Date): number;
export interface FormatRelativeOptions {
    /** Whether to append a suffix (e.g. "ago", "in") to the relative time string. */
    addSuffix?: boolean;
    /** Whether to include seconds in the relative time string. */
    includeSeconds?: boolean;
}
export declare function formatRelative(date: Date, options?: FormatRelativeOptions): string;
export declare function getInterval(date: Date): 0 | 60000 | 3600000;