/**
 * Converts a number representing a monetary value into Polish words.
 * By default, it uses "złoty/złote/złotych" and "grosz/grosze/groszy" as currency units.
 *
 * @param num The monetary value to convert (e.g., 12.50, -0.99).
 * @returns The full expression of the amount in Polish (e.g., "dwanaście złotych pięćdziesiąt groszy").
 */
export declare function currencyToWordsPL(num: number): string;
/**
 * Converts a number representing a monetary value into Polish words,
 * using custom word forms for the main and sub currency units.
 *
 * @param num The monetary value to convert (e.g., 12.50, -0.99).
 * @param currencyWords Word forms for the main currency in [singular, 2–4, 5+] form (e.g., ["euro", "euro", "euro"]).
 * @param groszeWords Word forms for the subcurrency in [singular, 2–4, 5+] form (e.g., ["cent", "centy", "centów"]).
 * @returns The full expression of the amount in Polish.
 */
export declare function currencyToWordsPL(num: number, currencyWords: [string, string, string], groszeWords: [string, string, string]): string;