import type { Hmac } from "./crypto/hmac";
import type { HOTPOptions } from "./hotp.options";
/**
 *
 *
 * @export
 * @class HOTP
 */
export declare class HOTP {
    private readonly _hmac;
    options: HOTPOptions;
    /**
     * Creates an instance of HOTP.
     * @param {Hmac} _hmac
     * @param {HOTPOptions} options
     * @memberof HOTP
     */
    constructor(_hmac: Hmac, options: HOTPOptions);
    /**
     *
     *
     * @param {string} name
     * @param {string} issuer
     * @return {string}  {string}
     * @memberof HOTP
     */
    getUri(name: string, issuer: string): string;
    /**
     *
     *
     * @param {string} code
     * @param {Partial<HOTPOptions>} [overrides]
     * @return {Promise<boolean>}  {Promise<boolean>}
     * @memberof HOTP
     */
    checkCode(code: string, overrides?: Partial<HOTPOptions>): Promise<boolean>;
    /**
     *
     * @param {Partial<HOTPOptions>} [overrides={}]
     * @return {Promise<string>} {Promise<string>}
     * @memberof HOTP
     */
    generateCode(overrides?: Partial<HOTPOptions>): Promise<string>;
    /**
     *
     *
     * @return {number} next value of the counter
     * @memberof HOTP
     */
    increment(): number;
}