import { type ArabicSpelling } from './arabicNumberWords.js';
/** Cardinal ("twenty-one") or ordinal ("twenty-first"). */
export type NumberWordsKind = 'cardinal' | 'ordinal';
/** The gender of the counted noun. `'neuter'` is German's; the other
 *  languages read it as masculine. */
export type NumberWordsGender = 'masculine' | 'feminine' | 'neuter';
/** How a language that inflects its number words writes them. Arabic reads
 *  both fields, the Romance languages and German the gender; English,
 *  Chinese and Japanese ignore them. */
export interface NumberWordsOptions {
    /** The gender of the counted noun: الفصل الأول but الليلة الأولى, واحد
     *  وعشرون but إحدى عشرة; « chapitre premier » but « partie première »,
     *  "capitolo primo" but "parte prima". Default `'masculine'`, except in
     *  German, where no gender gives the weak ordinal after the article
     *  ("das erste Kapitel") and a gender the strong one ("Erster Teil",
     *  "Erste Lektion", "Erstes Kapitel"). */
    gender?: NumberWordsGender;
    /** `'classical'` spells the Arabic hundreds مائة (Bulaq orthography);
     *  default `'modern'`, مئة. */
    spelling?: ArabicSpelling;
}
/**
 * `n` spelled out in lower case, in the document language (`locale`:
 * `'es'` or a Spanish tag gives Spanish, and likewise French, Italian,
 * German, Catalan and Portuguese — Brazilian unless the tag names another
 * region; German with *ss* in Switzerland — a Chinese tag Chinese numerals
 * in its script, a Japanese tag Japanese kanji numerals, an Arabic tag
 * Arabic words in the spelling of `options`, anything else English; the
 * inflecting languages in the gender of `options`). Numbers past 999 999
 * (Spanish, Catalan and Portuguese ordinals: past 999; Chinese and
 * Japanese: past 10¹⁶ − 1; Arabic: cardinals past 99 999, ordinals past
 * 9 999) print in digits; zero and below print nothing, like the other
 * numeral formats.
 */
export declare function numberToWords(n: number, kind?: NumberWordsKind, locale?: string, options?: NumberWordsOptions): string;
/** Letter case of spelled-out words: as spelled, first letter capital, or
 *  all capitals. */
export type WordsCase = 'lower' | 'capital' | 'upper';
export declare function caseWords(words: string, wordsCase: WordsCase, locale?: string): string;
//# sourceMappingURL=numberWords.d.ts.map