/// <reference types="express" />
import { AuthenticateFn, AuthenticationMetadata, AuthenticationStrategy } from '@loopback/authentication';
import { Getter, Provider } from '@loopback/core';
import { Request } from '@loopback/rest';
import { AccessTokenRepository } from '../repositories/access-token.repository';
/**
 * This is the provder class to check if the provided
 * access token(jwt) is present in the db or not
 * also this class takes care of the authentication process
 * and decodes the jwt and returns user profile
 *
 */
export declare class FlclAuthenticationProvider implements Provider<AuthenticateFn> {
    readonly getStrategies: Getter<AuthenticationStrategy | AuthenticationStrategy[] | undefined>;
    private accessTokenRepo;
    private authenticateFn;
    private readonly getMetadata;
    constructor(getStrategies: Getter<AuthenticationStrategy | AuthenticationStrategy[] | undefined>, accessTokenRepo: AccessTokenRepository, authenticateFn: AuthenticateFn, getMetadata: Getter<AuthenticationMetadata[] | undefined>);
    value(): Promise<AuthenticateFn>;
    getAuthorization(authorization?: string): string | undefined;
    checkAccessToken(request: Request, strategy: AuthenticationStrategy | AuthenticationStrategy[] | undefined, metadata?: AuthenticationMetadata[], authorizationHeader?: string): Promise<void>;
    checkRefreshToken(request: Request): Promise<void>;
    getRefreshToken(request: Request): string | null;
}