/// <reference types="node" />
import { Secret, SignOptions, JwtHeader } from 'jsonwebtoken';
import { JwtPayload } from '../models/jwt.model';
/**
 * An encoded token.
 */
export interface EncodedJwt<RoleType extends string> {
    /**
     * The header of the jwt, contains mostly metadata.
     */
    header: JwtHeader;
    /**
     * The payload of the jwt, everything that was put inside the token when generating it can be found here.
     */
    payload: JwtPayload<RoleType>;
    /**
     * The signature of the jwt.
     */
    signature: string;
}
/**
 * Encapsulates functionality of the jsonwebtoken package.
 */
export declare abstract class JwtUtilities {
    /**
     * Asynchronously sign the given payload into a JSON Web Token string payload.
     * @param payload - Any info that should be put inside the token.
     * @param secret - The secret used to encrypt the token.
     * @param options - Additional options like "expiresIn".
     * @returns A promise of the jwt.
     */
    static signAsync(payload: string | Buffer | object, secret: Secret, options?: SignOptions): Promise<string>;
    /**
     * Asynchronously verify given token using a secret or a public key to get a decoded token.
     * @param token - The token to encode.
     * @param secret - The secret to encode the token with.
     * @returns The encoded token.
     */
    static verifyAsync<RoleType extends string>(token: string, secret: Secret): Promise<EncodedJwt<RoleType>>;
}