/**
 * Converts a numeric value to Traditional Chinese words.
 *
 * @param {number | string | bigint} value - The numeric value to convert
 * @param {Object} [options] - Optional configuration
 * @param {boolean} [options.formal=true] - Use formal/financial numerals
 * @returns {string} The number in Traditional Chinese words
 */
export function toCardinal(value: number | string | bigint, options?: {
    formal?: boolean | undefined;
}): string;
/**
 * Converts a numeric value to Traditional Chinese ordinal words.
 *
 * @param {number | string | bigint} value - The numeric value to convert (positive integer)
 * @param {Object} [options] - Optional configuration
 * @param {boolean} [options.formal=true] - Use formal/financial numerals
 * @returns {string} The number as ordinal words
 * @throws {TypeError} If value is not a valid numeric type
 * @throws {RangeError} If value is negative, zero, or has a decimal part
 *
 * @example
 * toOrdinal(1)                    // '第壹'
 * toOrdinal(2)                    // '第貳'
 * toOrdinal(1, { formal: false }) // '第一'
 */
export function toOrdinal(value: number | string | bigint, options?: {
    formal?: boolean | undefined;
}): string;
/**
 * Converts a numeric value to Traditional Chinese currency words (New Taiwan Dollar).
 *
 * Uses 圓 (yuan), 角 (jiao, 1/10), 分 (fen, 1/100).
 * Formal writing adds 整 (zheng) for whole amounts.
 *
 * @param {number | string | bigint} value - The currency amount to convert
 * @param {Object} [options] - Optional configuration
 * @param {boolean} [options.formal=true] - Use formal/financial numerals
 * @returns {string} The amount in Traditional Chinese currency words
 * @throws {TypeError} If value is not a valid numeric type
 * @throws {Error} If value is not a valid number format
 *
 * @example
 * toCurrency(42)                    // '肆拾貳圓整'
 * toCurrency(1.50)                  // '壹圓伍角整'
 * toCurrency(42, { formal: false }) // '四十二元整'
 */
export function toCurrency(value: number | string | bigint, options?: {
    formal?: boolean | undefined;
}): string;