/**
 * A list of shared functions across date, datetime and time
 */
import { Segment as DateSegment, InputFormat as InputDateFormat } from './date.js';
import { Segment as DateTimeSegment, InputFormat as InputDateTimeFormat } from './datetime.js';
import { InputFormat as InputTimeFormat, Segment as TimeSegment } from './time.js';
type Format = InputTimeFormat | InputDateFormat | InputDateTimeFormat;
type Unit = 'year' | 'month' | 'day' | 'hour' | 'minute' | 'second' | 'millisecond';
type Segment = DateTimeSegment | (TimeSegment & {
    year?: number;
    month?: number;
    day?: number;
}) | (DateSegment & {
    hours?: number;
    minutes?: number;
    seconds?: number;
    milliseconds?: number;
});
/**
 * Parse value into segment
 * @param value A valid Date or Segment
 * @param isUTC Local or UTC
 * @returns segment Date segment
 */
declare const toSegment: (value: string | Date, isUTC?: boolean) => Segment;
/**
 * Format Date or Segment to Local formatted string.
 * @param value A valid Date or Segment
 * @param [format='yyyy-MM-dd'T'HH:mm'] format
 * @returns A formatted string
 */
declare const format: (value: Segment | Date, format?: Format) => string;
/**
 * Format Date or Segment to UTC formatted string.
 * @param value A valid Date or Segment
 * @param [format='yyyy-MM-dd'T'HH:mm'] format
 * @returns A formatted string
 */
declare const utcFormat: (value: Segment | Date, format?: Format) => string;
/**
 * Get Local Date object from value string or Segment.
 * @param value Value to parse or Segment
 * @returns parsed Date or Invalid Date
 */
declare const parse: (value: string | Segment) => Date;
/**
 * Get UTC Date object from value string or Segment.
 * @param value Value to parse or Segment
 * @returns parsed Date or Invalid Date
 */
declare const utcParse: (value: string | Segment) => Date;
/**
 * Try to guess value format
 * @param value Value to test
 * @returns format Format
 */
declare const getFormat: (value: string) => Format | null;
/**
 * Is the first date after the second one?
 * @param value the date that should be after the other one to return true
 * @param compare the date to compare with
 * @returns the first date is after the second date
 */
declare const isAfter: (value: string, compare: string) => boolean;
/**
 * Is the first date before the second one?
 * @param value the date that should be before the other one to return true
 * @param compare the date to compare with
 * @returns the first date is before the second date
 */
declare const isBefore: (value: string, compare: string) => boolean;
/**
 * Are the given dates in the same day?
 * @param value the first date to check
 * @param compare the second date to check
 * @returns the dates are in the same day
 */
declare const isSameDay: (value: string, compare: string) => boolean;
/**
 * Are the given dates in the same month?
 * @param value the first date to check
 * @param compare the second date to check
 * @returns the dates are in the same month
 */
declare const isSameMonth: (value: string, compare: string) => boolean;
/**
 * Are the given dates in the same year?
 * @param value the first date to check
 * @param compare the second date to check
 * @returns the dates are in the same year
 */
declare const isSameYear: (value: string, compare: string) => boolean;
/**
 * Is the given date today?
 * @param value the date to check
 * @returns the date is today
 */
declare const isToday: (value: string) => boolean;
/**
 * Is the given date this month?
 * @param value the date to check
 * @returns the date is this month
 */
declare const isThisMonth: (value: string) => boolean;
/**
 * Is the given date this year?
 * @param value the date to check
 * @returns the date is this year
 */
declare const isThisYear: (value: string) => boolean;
/**
 * Does the given date fall on a weekend?
 * @param value the date to check
 * @returns the date falls on a weekend
 */
declare const isWeekend: (value: string) => boolean;
/**
 * Add the specified number of units to the given date
 * @param value The date to be changed
 * @param unit The unit: `year`, `month`, `day`, `hour`, `minute`, `second` or `millisecond`
 * @param amount The amount of units to be added, e.g. 1 to increase or -1 to decrease
 * @returns date The new date
 */
declare const addUnit: (value: string, unit: Unit, amount: number) => string;
/**
 * Add the specified number of months to the given date
 * @param value the date to be changed
 * @param amount the amount of months to be added
 * @returns the new date with the months added
 */
declare const addMonths: (value: string, amount: number) => string;
/**
 * Subtract the specified number of months to the given date
 * @param value the date to be changed
 * @param amount the amount of months to be subtracted
 * @returns the new date with the months subtracted
 */
declare const subMonths: (value: string, amount: number) => string;
/**
 * Returns `true` or `false` depending on whether the hours are before, or, after noon
 * @param value the time to check
 * @returns Result
 */
declare const isAM: (value: string) => boolean;
/**
 * Returns opposite of isAM
 * @param value the time to check
 * @returns Result
 */
declare const isPM: (value: string) => boolean;
/**
 * Add offset in milliseconds to the value
 * @param value the time
 * @param amount number of milliseconds to add
 * @returns new value
 */
declare const addOffset: (value: string, amount: number) => string;
/**
 * Subtract offset in milliseconds from the value
 * @param value the time
 * @param amount number of milliseconds to subtract
 * @returns new value
 */
declare const subOffset: (value: string, amount: number) => string;
/**
 * Cycles through the unit by a specified amount, not affecting any other part of the date
 * @param value The date to be changed
 * @param unit The unit: `year`, `month`, `day`, `hour`, `minute`, `second` or `millisecond`
 * @param amount The amount of units to be iterated, e.g. 1 to go up or -1 to go down
 * @returns date The new date
 */
declare const iterateUnit: (value: string, unit: Unit, amount: number) => string;
export { Format, Unit, isAfter, isBefore, isAM, isPM, addOffset, subOffset, format, utcFormat, parse, utcParse, getFormat, isSameDay, isSameMonth, isSameYear, isToday, isThisMonth, isThisYear, addMonths, subMonths, isWeekend, addUnit, iterateUnit, toSegment };