/**
 * Converts a numeric value to Czech words.
 *
 * This is the main public API. It accepts any valid numeric input
 * (number, string, or bigint) and handles parsing internally.
 *
 * @param {number | string | bigint} value - The numeric value to convert
 * @returns {string} The number in Czech words
 * @throws {TypeError} If value is not a valid numeric type
 * @throws {Error} If value is not a valid number format
 *
 * @example
 * toCardinal(21)           // 'dvacet jedna'
 * toCardinal(1000)         // 'tisíc'
 * toCardinal(2000)         // 'dva tisíce'
 * toCardinal(5000)         // 'pět tisíc'
 */
export function toCardinal(value: number | string | bigint): string;
/**
 * Converts a numeric value to Czech ordinal words (masculine nominative).
 *
 * @param {number | string | bigint} value - The numeric value to convert (must be a positive integer)
 * @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)    // 'první'
 * toOrdinal(2)    // 'druhý'
 * toOrdinal(21)   // 'dvacet první'
 * toOrdinal(100)  // 'stý'
 * toOrdinal(1000) // 'tisící'
 */
export function toOrdinal(value: number | string | bigint): string;
/**
 * Converts a numeric value to Czech currency words (Koruna).
 *
 * @param {number | string | bigint} value - The currency amount to convert
 * @returns {string} The amount in Czech 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)     // 'čtyřicet dva koruny'
 * toCurrency(1)      // 'jedna koruna'
 * toCurrency(1.50)   // 'jedna koruna padesát haléřů'
 * toCurrency(-5)     // 'mínus pět korun'
 */
export function toCurrency(value: number | string | bigint): string;