// @flow
// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.

export type Interval = {
  start: Date | number,
  end: Date | number,
}

export type Locale = {
  code?: string,
  formatDistance?: (...args: Array<any>) => any,
  formatRelative?: (...args: Array<any>) => any,
  localize?: {
    ordinalNumber: (...args: Array<any>) => any,
    era: (...args: Array<any>) => any,
    quarter: (...args: Array<any>) => any,
    month: (...args: Array<any>) => any,
    day: (...args: Array<any>) => any,
    dayPeriod: (...args: Array<any>) => any,
  },
  formatLong?: {
    date: (...args: Array<any>) => any,
    time: (...args: Array<any>) => any,
    dateTime: (...args: Array<any>) => any,
  },
  match?: {
    ordinalNumber: (...args: Array<any>) => any,
    era: (...args: Array<any>) => any,
    quarter: (...args: Array<any>) => any,
    month: (...args: Array<any>) => any,
    day: (...args: Array<any>) => any,
    dayPeriod: (...args: Array<any>) => any,
  },
  options?: {
    weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
    firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7,
  },
}

export type Duration = {
  years?: number,
  months?: number,
  weeks?: number,
  days?: number,
  hours?: number,
  minutes?: number,
  seconds?: number,
}

export type Day = 0 | 1 | 2 | 3 | 4 | 5 | 6

declare module.exports: (
  argument: Date | number,
  formatOptions?: {
    localeMatcher?: 'lookup' | 'best fit',
    weekday?: 'narrow' | 'short' | 'long',
    era?: 'narrow' | 'short' | 'long',
    year?: 'numeric' | '2-digit',
    month?: 'numeric' | '2-digit' | 'narrow' | 'short' | 'long',
    day?: 'numeric' | '2-digit',
    hour?: 'numeric' | '2-digit',
    minute?: 'numeric' | '2-digit',
    second?: 'numeric' | '2-digit',
    timeZoneName?: 'short' | 'long',
    formatMatcher?: 'basic' | 'best fit',
    hour12?: boolean,
    timeZone?: string,
  },
  localeOptions?: {
    locale?: string | string[],
  }
) => string
