import { Middleware } from './middleware';
import { Request, Response } from '../http';
/**
 * RBAC middleware via user-provided evaluator functions.
 *
 * @export
 * @class Roles
 * @extends {Middleware}
 */
export declare class Roles extends Middleware {
    /**
     * An array of evaluator functions which, given the current request and
     * response objects, returns either true or false indicating authorization.
     *
     * @memberof Roles
     */
    evaluators: Array<(req: Request, res: Response) => Promise<any>>;
    /**
     * Creates an instance of Roles.
     * @param {Array<(req: Request, res: Response) => Promise<any>>} evaluators
     * @memberof Roles
     */
    constructor(evaluators: Array<(req: Request, res: Response) => Promise<any>>);
    /**
     * Executes each evaluator against the current request and response.
     *
     * @param {Request} req
     * @param {Response} res
     * @throws {Unauthorized}
     * @returns {Promise<any>}
     * @memberof Roles
     */
    processRequest: (req: Request, res: Response) => Promise<void>;
}
/**
 * JWT processing middleware.
 *
 * @export
 * @class JWT
 * @extends {Middleware}
 */
export declare class JWT extends Middleware {
    /**
     * The JWT encryption password.
     *
     * @type {string}
     * @memberof JWT
     */
    secret: string;
    /**
     * The encryption algorithm to use.
     *
     * @type {string}
     * @memberof JWT
     */
    algorithm: string;
    /**
     * Creates an instance of JWT.
     * @param {string} secret
     * @param {string} [algorithm='HS256']
     * @memberof JWT
     */
    constructor(secret: string, algorithm?: string);
    /**
     * Extracts and verifies the JWT from the Authorization header.
     *
     * @param {Request} req
     * @param {Response} res
     * @throws {Unauthorized}
     * @returns {Promise<any>}
     * @memberof JWT
     */
    processRequest: (req: Request, res: Response) => Promise<{}>;
}
/**
 * JWK processing middleware.
 *
 * @export
 * @class JWK
 * @extends {Middleware}
 */
export declare class JWK extends Middleware {
    /**
     * A list of JWKs in JSON used for token verification.
     *
     * @type {object[]}
     * @memberof JWK
     */
    keys: object[];
    /**
     * Creates an instance of JWK.
     * @param {object[]} jwks
     * @throws {InternalError}
     * @memberof JWK
     */
    constructor(jwks: object[]);
    /**
     * Extracts and verifies the JWT from the Authorization header.
     *
     * @param {Request} req
     * @param {Response} res
     * @throws {Unauthorized}
     * @returns {Promise<any>}
     * @memberof JWK
     */
    processRequest: (req: Request, res: Response) => Promise<void>;
}