import { IPrivateKey, IAccessTokenSigner } from '../types';
import { IExtraData } from '../Cards/ICard';
import { Jwt } from './Jwt';
/**
 * {@link JwtGenerator} initialization options.
 */
export interface IJwtGeneratorOptions {
    /**
     * API Private key from Virgil Dashboard to be used to generate
     * signatures of tokens.
     */
    apiKey: IPrivateKey;
    /**
     * ID of the API Key from Virgil Dashboard.
     */
    apiKeyId: string;
    /**
     * Application ID from Virgil Dashboard. This will be the value of the
     * `Issuer` field in generated tokens.
     */
    appId: string;
    /**
     * Object used to generate signatures of tokens.
     */
    accessTokenSigner: IAccessTokenSigner;
    /**
     * Time to live in milliseconds of the tokens created by this generator.
     * Optional. Default is `20 * 60 * 1000` (20 minutes).
     */
    millisecondsToLive?: number;
}
/**
 * Class responsible for JWT generation.
 */
export declare class JwtGenerator {
    /**
     * @see {@link IJwtGeneratorOptions.appId}
     */
    readonly appId: string;
    /**
     * @see {@link IJwtGeneratorOptions.apiKey}
     */
    readonly apiKey: IPrivateKey;
    /**
     * @see {@link IJwtGeneratorOptions.apiKeyId}
     */
    readonly apiKeyId: string;
    /**
     * @see {@link IJwtGeneratorOptions.accessTokenSigner}
     */
    readonly accessTokenSigner: IAccessTokenSigner;
    /**
     * @see {@link IJwtGeneratorOptions.millisecondsToLive}
     */
    readonly millisecondsToLive: number;
    constructor(options: IJwtGeneratorOptions);
    /**
     * Generates a token with the given identity as the subject and optional
     * additional data.
     * @param {string} identity - Identity to be associated with JWT (i.e.
     * the Subject).
     * @param {IExtraData} ada - Additional data to be encoded in the JWT.
     * @returns {Jwt}
     */
    generateToken(identity: string, ada?: IExtraData): Jwt;
}