/// <reference types="express" />
import { Request } from '@loopback/rest';
import { AuthenticationStrategy } from '@loopback/authentication';
import { TokenService } from '../services';
import { UserProfile } from '../data';
export declare class AuthStrategyJWT implements AuthenticationStrategy {
    private _tokenService;
    name: string;
    constructor(_tokenService: TokenService);
    authenticate(request: Request): Promise<UserProfile | undefined>;
    extractCredentials(request: Request): string;
}