type CharacterSetType = '09' | 'numeric' | '._' | 'inline' | '.-' | 'wide' | '-|' | 'thin' | 'az' | 'lowercase' | 'AZ' | 'uppercase' | 'Az' | 'alphabetic' | 'A9' | 'alphanumeric';

declare class PseudoCrypto {
    /**
     * @type {boolean}
     * Should always unhash to BigInt?
     */
    onlyBigInt: boolean;
    /**
     * @type {string}
     * Fill string.
     */
    private fillString;
    /**
     * @type {bigint}
     * Character count.
     */
    private characterCount;
    /**
     * @type {array}
     * Character codes.
     */
    private characterCodes;
    /**
     * @type {array}
     * Next primes greater than
     * character_count ^ i /
     * 1.618033988749894.
     */
    private goldenPrimes;
    /**
     * @type {array}
     * Modular multiplicative
     * inverses of the primes
     * (mod character_count ^ i).
     */
    private goldenInverses;
    constructor(type?: CharacterSetType, onlyBigInt?: boolean);
    private adjustType;
    private base;
    hash(number: number | bigint, length?: number): string;
    private unbase;
    unhash(string: string): number | bigint;
}

export { PseudoCrypto as default };