/**
 * Converts a numeric value to Simplified 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 Simplified Chinese words
 */
export function toCardinal(value: number | string | bigint, options?: {
    formal?: boolean | undefined;
}): string;
/**
 * Converts a numeric value to Simplified 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(1, { formal: false }) // '第一'
 * toOrdinal(10)                   // '第壹拾'
 */
export function toOrdinal(value: number | string | bigint, options?: {
    formal?: boolean | undefined;
}): string;
/**
 * Converts a numeric value to Simplified Chinese currency words (Yuan/Renminbi).
 *
 * @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 Simplified 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(42.50)                    // '肆拾贰圆伍角整'
 * toCurrency(1)                        // '壹圆整'
 * toCurrency(0.05)                     // '伍分'
 * toCurrency(42.50, { formal: false }) // '四十二元五角整'
 */
export function toCurrency(value: number | string | bigint, options?: {
    formal?: boolean | undefined;
}): string;