import { type DateFieldView } from './calendarUtils.cjs';
export type AddUnit = 'years' | 'months' | 'weeks' | 'days' | 'hours' | 'minutes' | 'seconds' | 'milliseconds';
interface DateTimeFieldView extends DateFieldView {
    hour?: number;
    minute?: number;
    second?: number;
    millisecond?: number;
}
export declare function add(value: unknown, amount: number, unit: AddUnit): DateTimeFieldView;
export declare function subtract(value: unknown, amount: number, unit: AddUnit): DateTimeFieldView;
export declare const addYears: (v: unknown, n: number) => DateTimeFieldView;
export declare const addMonths: (v: unknown, n: number) => DateTimeFieldView;
export declare const addWeeks: (v: unknown, n: number) => DateTimeFieldView;
export declare const addDays: (v: unknown, n: number) => DateTimeFieldView;
export declare const addHours: (v: unknown, n: number) => DateTimeFieldView;
export declare const addMinutes: (v: unknown, n: number) => DateTimeFieldView;
export declare const addSeconds: (v: unknown, n: number) => DateTimeFieldView;
export declare const addMilliseconds: (v: unknown, n: number) => DateTimeFieldView;
export declare const subtractYears: (v: unknown, n: number) => DateTimeFieldView;
export declare const subtractMonths: (v: unknown, n: number) => DateTimeFieldView;
export declare const subtractWeeks: (v: unknown, n: number) => DateTimeFieldView;
export declare const subtractDays: (v: unknown, n: number) => DateTimeFieldView;
export declare const subtractHours: (v: unknown, n: number) => DateTimeFieldView;
export declare const subtractMinutes: (v: unknown, n: number) => DateTimeFieldView;
export declare const subtractSeconds: (v: unknown, n: number) => DateTimeFieldView;
export declare const subtractMilliseconds: (v: unknown, n: number) => DateTimeFieldView;
export type DiffUnit = 'years' | 'months' | 'weeks' | 'days' | 'hours' | 'minutes' | 'seconds' | 'milliseconds';
export declare function difference(a: unknown, b: unknown, unit: DiffUnit): number;
export declare const differenceInYears: (a: unknown, b: unknown) => number;
export declare const differenceInMonths: (a: unknown, b: unknown) => number;
export declare const differenceInWeeks: (a: unknown, b: unknown) => number;
export declare const differenceInDays: (a: unknown, b: unknown) => number;
export declare const differenceInHours: (a: unknown, b: unknown) => number;
export declare const differenceInMinutes: (a: unknown, b: unknown) => number;
export declare const differenceInSeconds: (a: unknown, b: unknown) => number;
export declare const differenceInMilliseconds: (a: unknown, b: unknown) => number;
export {};