export interface IntlLocaleOptions {
	language?: string;
	script?: string;
	region?: string;
	calendar?: string;
	collation?: string;
	hourCycle?: "h11" | "h12" | "h23" | "h24";
	caseFirst?: "upper" | "lower" | "false";
	numberingSystem?: string;
	numeric?: boolean;
	firstDayOfWeek?: string;
}
export interface IntlLocaleInternal extends IntlLocaleOptions {
	locale: string;
	initializedLocale: boolean;
}
export declare class Locale {
	constructor(tag: string | Locale, opts?: IntlLocaleOptions);
	/**
	* https://www.unicode.org/reports/tr35/#Likely_Subtags
	*/
	maximize(): Locale;
	/**
	* https://www.unicode.org/reports/tr35/#Likely_Subtags
	*/
	minimize(): Locale;
	toString(): string;
	get baseName(): string;
	get calendar(): string | undefined;
	get collation(): string | undefined;
	get caseFirst(): "upper" | "lower" | "false" | undefined;
	get numeric(): boolean | undefined;
	get numberingSystem(): string | undefined;
	/**
	* https://tc39.es/proposal-intl-locale/#sec-Intl.Locale.prototype.language
	*/
	get language(): string;
	/**
	* https://tc39.es/proposal-intl-locale/#sec-Intl.Locale.prototype.script
	*/
	get script(): string | undefined;
	/**
	* https://tc39.es/proposal-intl-locale/#sec-Intl.Locale.prototype.region
	*/
	get region(): string | undefined;
	/**
	* Returns the variant subtags of the locale, or undefined if none exist.
	* Multiple variants are joined with hyphens in alphabetical order.
	*
	* Added in ECMA-402 via PR #960 to align with other subtag accessors.
	* @see https://tc39.es/ecma402/#sec-Intl.Locale.prototype.variants
	* @see https://github.com/tc39/ecma402/pull/960
	* @see https://github.com/tc39/ecma402/issues/900
	*/
	get variants(): string | undefined;
	get firstDayOfWeek(): string | undefined;
	get hourCycle(): "h11" | "h12" | "h23" | "h24" | undefined;
	/**
	* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getCalendars
	* https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.getCalendars
	*/
	getCalendars(): string[];
	/**
	* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getCollations
	* https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.getCollations
	*/
	getCollations(): string[];
	/**
	* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getHourCycles
	* https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.getHourCycles
	*/
	getHourCycles(): string[];
	/**
	* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getNumberingSystems
	* https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.getNumberingSystems
	*/
	getNumberingSystems(): string[];
	/**
	* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getTimeZones
	* https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.getTimeZones
	*/
	getTimeZones(): string[] | undefined;
	/**
	* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getTextInfo
	* https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.getTextInfo
	*/
	getTextInfo(): {
		direction: string;
	};
	/**
	* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getWeekInfo
	* https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.getWeekInfo
	*/
	getWeekInfo(): {
		firstDay: string;
		weekend: {
			start: string;
			end: string;
		};
		minimalDays: number;
	};
	static relevantExtensionKeys: readonly ["ca", "co", "hc", "kf", "kn", "nu", "fw"];
	static readonly polyfilled: true;
}
export default Locale;