/**
 * Base36Or62 is a utility class that provides methods to encode and decode numbers using Base36 or Base62 encoding.
 */
declare class Base36Or62 {
    static readonly BASE_36: bigint;
    static readonly BASE_62: bigint;
    static readonly DIGITS_36 = "0123456789abcdefghijklmnopqrstuvwxyz";
    static readonly DIGITS_62 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
    /**
     * Encodes a number using Base36 encoding.
     *
     * @param number a positive integer
     * @param base62 whether to use Base62 or Base36
     * @return a Base36 string
     *
     * @throws IllegalArgumentException if <code>number</code> is a negative integer
     */
    static encode(number: bigint, base62: boolean): string;
    /**
     * Decodes a string using Base36 encoding.
     *
     * @param str a Base36 string
     * @param base62 whether to use Base62 or Base36
     * @return a positive integer
     *
     * @throws IllegalArgumentException if <code>string</code> is empty
     */
    static decode(str: string, base62: boolean): bigint;
}
export default Base36Or62;
//# sourceMappingURL=Base36Or62.d.ts.map