export interface Headers {
    'content-type'?: string;
    'plural-forms'?: string;
}
export type StringArrayMap = Record<string, string[]>;
export interface LocaleData {
    headers: Headers;
    contexts: Record<string, StringArrayMap>;
}
/**
 * A locale in Hebcal is used for translations/transliterations of
 * holidays. `@hebcal/hdate` supports four locales by default
 * * `en` - default, Sephardic transliterations (e.g. "Shabbat")
 * * `ashkenazi` - Ashkenazi transliterations (e.g. "Shabbos")
 * * `he` - Hebrew (e.g. "שַׁבָּת")
 * * `he-x-NoNikud` - Hebrew without nikud (e.g. "שבת")
 */
export declare class Locale {
    /**
     * Returns translation only if `locale` offers a non-empty translation for `id`.
     * Otherwise, returns `undefined`.
     * @param id Message ID to translate
     * @param [locale] Optional locale name (i.e: `'he'`, `'fr'`). Defaults to no-op locale.
     * @example
     * Locale.lookupTranslation('Adar II', 'he-x-NoNikud'); // 'אדר ב׳'
     * Locale.lookupTranslation('Foobar', 'he-x-NoNikud');  // undefined
     */
    static lookupTranslation(id: string, locale?: string): string | undefined;
    /**
     * By default, if no translation was found, returns `id`.
     * @param id Message ID to translate
     * @param [locale] Optional locale name (i.e: `'he'`, `'fr'`). Defaults to no-op locale.
     * @example
     * Locale.gettext('Elul', 'he');          // 'אֱלוּל'
     * Locale.gettext('Tevet', 'ashkenazi');  // 'Teves'
     * Locale.gettext('Unknown', 'he');       // 'Unknown' (falls back to id)
     */
    static gettext(id: string, locale?: string): string;
    /**
     * Register locale translations.
     * @param locale Locale name (i.e.: `'he'`, `'fr'`)
     * @param data parsed data from a `.po` file.
     * @example
     * import poFr from './fr.po';
     * Locale.addLocale('fr', poFr);
     * Locale.gettext('Shabbat', 'fr'); // 'Chabbat'
     */
    static addLocale(locale: string, data: LocaleData): void;
    /**
     * Adds a translation to `locale`, replacing any previous translation.
     * @param locale Locale name (i.e: `'he'`, `'fr'`).
     * @param id Message ID to translate
     * @param translation Translation text
     * @example
     * Locale.addTranslation('ashkenazi', 'Foobar', 'Quux');
     * Locale.gettext('Foobar', 'ashkenazi'); // 'Quux'
     */
    static addTranslation(locale: string, id: string, translation: string | string[]): void;
    /**
     * Adds multiple translations to `locale`, replacing any previous translations.
     *
     * The locale must already be registered (typically via `addLocale`);
     * to register a brand-new locale instead, call `addLocale` directly.
     * Use this method to merge an additional `.po` file (e.g. holiday
     * translations supplied by a separate `@hebcal/*` package) into an
     * existing locale.
     * @param locale Locale name (i.e: `'he'`, `'fr'`).
     * @param data parsed data from a `.po` file.
     */
    static addTranslations(locale: string, data: LocaleData): void;
    /**
     * Returns the names of registered locales
     * @example
     * Locale.getLocaleNames(); // ['ashkenazi', 'en', 'he', 'he-x-nonikud']
     */
    static getLocaleNames(): string[];
    /**
     * Checks whether a locale has been registered
     * @param locale Locale name (i.e: `'he'`, `'fr'`).
     * @example
     * Locale.hasLocale('he'); // true
     * Locale.hasLocale('fr'); // false
     */
    static hasLocale(locale: string): boolean;
    /**
     * Renders a number in ordinal, such as 1st, 2nd or 3rd
     * @param [locale] Optional locale name (i.e: `'he'`, `'fr'`). Defaults to no-op locale.
     * @example
     * Locale.ordinal(3, 'en'); // '3rd'
     * Locale.ordinal(3, 'es'); // '3º'
     * Locale.ordinal(3, 'fr'); // '3.'
     * Locale.ordinal(3, 'he'); // '3'
     */
    static ordinal(n: number, locale?: string): string;
    /**
     * Removes nekudot from Hebrew string
     * @example
     * Locale.hebrewStripNikkud('אֱלוּל'); // 'אלול'
     */
    static hebrewStripNikkud(str: string): string;
    /**
     * Returns a new `LocaleData` derived from `data` with niqqud (vowel
     * points) stripped from every translation value. The input is not
     * modified.
     *
     * This is the helper used internally to build the `he-x-NoNikud`
     * locale from `he`; call it when registering a derived "no nikud"
     * variant of a custom Hebrew-script locale.
     */
    static copyLocaleNoNikud(data: LocaleData): LocaleData;
    /**
     * Returns true if `locale` is a Hebrew locale (i.e. `he` or `he-x-NoNikud`)
     * @example
     * Locale.isHebrewLocale('he');           // true
     * Locale.isHebrewLocale('he-x-NoNikud'); // true
     * Locale.isHebrewLocale('en');           // false
     */
    static isHebrewLocale(locale?: string): boolean;
}