export declare function compare(a: unknown, b: unknown): number;
export declare function isEqual(a: unknown, b: unknown): boolean;
export declare function isBefore(a: unknown, b: unknown): boolean;
export declare function isAfter(a: unknown, b: unknown): boolean;
export declare function min(values: unknown[]): unknown;
export declare function max(values: unknown[]): unknown;
export declare function clamp(value: unknown, lo: unknown, hi: unknown): unknown;
export declare function isBetween(value: unknown, lo: unknown, hi: unknown): boolean;
export declare function isSameDay(value: unknown, reference: unknown): boolean;
export declare function isToday(value: unknown): boolean;
export declare function isTomorrow(value: unknown): boolean;
export declare function isYesterday(value: unknown): boolean;
export declare function isSameWeek(value: unknown, reference: unknown): boolean;
export declare function isSameMonth(value: unknown, reference: unknown): boolean;
export declare function isSameQuarter(value: unknown, reference: unknown): boolean;
export declare function isSameYear(value: unknown, reference: unknown): boolean;
export declare function isWeekend(value: unknown): boolean;
export declare function isWeekday(value: unknown): boolean;