/**
 * Converts a numeric value to Romanian words.
 *
 * @param {number | string | bigint} value - The numeric value to convert
 * @param {Object} [options] - Conversion options
 * @param {string} [options.gender='masculine'] - Gender for numbers
 * @returns {string} The number in Romanian words
 * @throws {TypeError} If value is not a valid numeric type
 * @throws {Error} If value is not a valid number format
 *
 * @example
 * toCardinal(21)                        // 'douăzeci și unu'
 * toCardinal(1, { gender: 'feminine' }) // 'una'
 * toCardinal(1000)                      // 'o mie'
 */
export function toCardinal(value: number | string | bigint, options?: {
    gender?: string | undefined;
}): string;
/**
 * Converts a numeric value to Romanian ordinal words.
 *
 * @param {number | string | bigint} value - The numeric value to convert
 * @returns {string} The ordinal in Romanian words
 * @throws {TypeError} If value is not a valid numeric type
 * @throws {Error} If value is not a positive integer
 *
 * @example
 * toOrdinal(1)   // 'primul'
 * toOrdinal(21)  // 'douăzeci și primul'
 */
export function toOrdinal(value: number | string | bigint): string;
/**
 * Converts a numeric value to Romanian Leu currency words.
 *
 * @param {number | string | bigint} value - The numeric value to convert
 * @returns {string} The currency in Romanian words
 * @throws {TypeError} If value is not a valid numeric type
 * @throws {Error} If value is not a valid number format
 *
 * @example
 * toCurrency(1)     // 'un leu'
 * toCurrency(2.50)  // 'doi lei cincizeci de bani'
 */
export function toCurrency(value: number | string | bigint): string;