/**
 * Chinese numerals, written and read: the CSS Counter Styles 3 longhand
 * (`simp-chinese-informal` 一百二十, `trad-chinese-formal` 壹佰貳拾), the
 * digit-by-digit `cjk-decimal` (二〇二六), the heavenly stems and earthly
 * branches, circled and fullwidth digits — and the reverse, for part numbers
 * an author typed (`卷三`, `第十二`, `一二〇`).
 */
/**
 * `n` (a positive integer) in Chinese numerals, as CSS Counter Styles 3
 * writes the Chinese longhand, extended past 9 999 with the group units
 * 万/萬, 亿/億: each digit followed by its marker (十 百 千, formal 拾 佰 仟),
 * the marker dropped after a zero, a run of zeros written 零 once, zeros at
 * the end dropped; in the informal style 10–19 open with 十, not 一十
 * (十二, but 一百一十). 101 一百零一, 1010 一千零一十, 10010 一万零一十.
 * Past 10¹⁶ − 1 the number prints in digits.
 */
export declare function chineseNumeral(n: number, kind: 'informal' | 'formal', traditional: boolean): string;
/** Digit by digit in Chinese numerals, with 〇 for zero: 2026 → 二〇二六
 *  (GB/T 15835—2011 §5.2.5, as years and serial numbers are written). */
export declare function cjkDecimal(n: number): string;
/** Fullwidth digits: 123 → １２３. */
export declare function fullwidthDecimal(n: number): string;
/** Circled digits ① … ㊿ (U+2460–2473, U+3251–325F, U+32B1–32BF), ⓪ for
 *  zero; past 50 the number prints in digits. */
export declare function circledDecimal(n: number): string;
/** The ten heavenly stems, 甲 to 癸. */
export declare const CJK_HEAVENLY_STEMS: readonly string[];
/** The twelve earthly branches, 子 to 亥. */
export declare const CJK_EARTHLY_BRANCHES: readonly string[];
/** The `n`th symbol of a fixed series (1-based); past its end the number
 *  prints in digits. */
export declare function fixedSymbol(n: number, symbols: readonly string[]): string;
/**
 * The value of a number written in Chinese numerals: the longhand, informal
 * or formal, in either script (三, 十二, 一百零一, 一万零一十, 壹佰贰拾),
 * the Japanese counted forms (百一, 千十, 一万一, 壱萬弐阡), or digit by
 * digit (一二〇, 二〇二六). `undefined` for anything else.
 */
export declare function parseChineseNumeral(text: string): number | undefined;
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