import { JwtGenerator } from '../JwtGenerator';
import { IAccessToken, IAccessTokenProvider, ITokenContext } from './interfaces';
import { IExtraData } from '../../Cards/ICard';
/**
 * Implementation of {@link IAccessTokenProvider} that generates a
 * new JWT whenever it is requested by the clients.
 *
 * This class is meant to be used on the server side only.
 */
export declare class GeneratorJwtProvider implements IAccessTokenProvider {
    private readonly jwtGenerator;
    private readonly additionalData?;
    private readonly defaultIdentity?;
    /**
     * Creates a new instance of `GeneratorJwtProvider` with the given
     * {@link JwtGenerator}, additional data and default identity.
     *
     * @param {JwtGenerator} jwtGenerator - Object to delegate the JWT generation to.
     * @param {IExtraData} additionalData - Additional data to include with the JWT.
     * @param {string} defaultIdentity - Identity of the user to include in the token
     * when none is provided explicitly by the client.
     */
    constructor(jwtGenerator: JwtGenerator, additionalData?: IExtraData | undefined, defaultIdentity?: string | undefined);
    /**
     * Returns a `Promise` fulfilled with the JWT obtained from the call
     * to {@link GeneratorJwtProvider.jwtGenerator} {@link JwtGenerator.generateToken}
     * method, passing it the {@link GeneratorJwtProvider.additionalData} and
     * {@link GeneratorJwtProvider.defaultIdentity}
     *
     * @param {ITokenContext} context
     * @returns {Promise<IAccessToken>}
     */
    getToken(context: ITokenContext): Promise<IAccessToken>;
}