export declare const BankName: {
    readonly NBP: "Narodowy Bank Polski";
    readonly PKOBP: "PKO BP";
    readonly BankHandlowy: "Bank Handlowy (Citi Handlowy)";
    readonly ING: "ING Bank Śląski";
    readonly SantanderBankPolska: "Santander Bank Polska";
    readonly BGK: "BGK";
    readonly mBank: "mBank";
    readonly Millenium: "Bank Millennium";
    readonly PekaoSA: "Pekao SA";
    readonly BankPocztowy: "Bank Pocztowy";
    readonly BOSBank: "BOŚ Bank";
    readonly MercedezBenzBank: "Mercedes-Benz Bank Polska";
    readonly SGB: "SGB - Bank";
    readonly RBSBank: "RBS Bank (Polska)";
    readonly PlusBank: "Plus Bank";
    readonly SocieteGenerale: "Societe Generale";
    readonly NestBank: "Nest Bank";
    readonly BankPolskiejSpoldzielczosci: "Bank Polskiej Spółdzielczości";
    readonly CreditAgricole: "Credit Agricole Bank Polska";
    readonly BNPParibas: "BNP Paribas";
    readonly StantanderConsumerBank: "Santander Consumer Bank";
    readonly ToyotaBank: "Toyota Bank";
    readonly DNB: "DNB Bank Polska";
    readonly GetinNobleBank: "Getin Noble Bank";
    readonly AliorBank: "Alior Bank";
    readonly FCE: "FCE Bank Polska";
    readonly Inbank: "Inbank";
    readonly VolksvagenBank: "Volkswagen Bank";
    readonly HSBC: "HSBC";
    readonly AionBank: "Aion Bank";
};
export type BankName = (typeof BankName)[keyof typeof BankName];
/**
 * Validates an International Bank Account Number (IBAN). The function checks for
 * proper length, format, and passes the IBAN checksum requirements. In the case of
 * IBANs starting with `PL` (or with no country code), the 3rd-5th digits are validated
 * against a list of Polish banks. Any whitespace is ignored, but other characters will
 * result in the IBAN being invalid.
 *
 * @param {string} iban - The IBAN number as a string, with or without spaces.
 * @returns {boolean} `true` if the IBAN is valid; `false` otherwise.
 */
export declare function isIbanValid(iban: string): boolean;
/**
 * Returns true if the IBAN is invalid; false otherwise.
 *
 * @param {string} iban - The IBAN number as a string.
 * @returns {boolean}
 */
export declare const isIbanInvalid: (iban: string) => boolean;
/**
 * Extracts country-specific information from the IBAN.
 *
 * @param {string} iban - The IBAN number as a string.
 * @returns {{ country: string; length: number } | null} An object containing the country name
 * and IBAN length for the given IBAN, or `null` if not valid.
 */
export declare function getCountryIbanDataFromIban(iban: string): {
    country: string;
    length: number;
} | null;
/**
 * Fetches the bank name based on the IBAN, specifically for Polish IBANs.
 * If a non-Polish IBAN is supplied, it will always return `null`.
 *
 * @param {string} iban - The IBAN number as a string.
 * @returns {string | null} The bank name as a string, or `null` if not available.
 */
export declare function getBankNameFromIban(iban: string): string | null;