/**
 * Options for TOTP/HOTP generation
 */
export interface TotpOptions {
    /**
     * Hash algorithm to use
     *
     * @defaultValue SHA-1
     */
    algorithm?: 'SHA-1' | 'SHA-256' | 'SHA-512';
    /**
     * Number of digits in the code
     *
     * @defaultValue 6
     */
    digits?: 6 | 8;
    /**
     * Time step in seconds for TOTP
     *
     * @defaultValue 30
     */
    period?: number;
}