import { Express, NextFunction, Request, Response } from "express";
import { TransactionBaseService } from "./index";
import { MedusaContainer } from "../types/global";
export interface IAuthenticationStrategy extends TransactionBaseService {
    authenticate(req: Request, res: Response): Promise<void>;
    unAuthenticate(req: Request, res: Response): Promise<void>;
    validate(req: Request, res: Response, next: NextFunction): Promise<void>;
    shouldUseStrategy(req: Request, scope: "admin" | "store"): Promise<boolean>;
}
export default abstract class AbstractAuthStrategy extends TransactionBaseService implements IAuthenticationStrategy {
    static identifier: string;
    static beforeInit(app: Express, container: MedusaContainer, options: Record<string, unknown>): Promise<void>;
    abstract shouldUseStrategy(req: Request, scope: "admin" | "store"): Promise<boolean>;
    abstract authenticate(req: Request, res: Response): Promise<void>;
    abstract unAuthenticate(req: Request, res: Response): Promise<void>;
    abstract validate(req: Request, res: Response, next: NextFunction): Promise<void>;
}
export declare function isAuthStrategy(obj: unknown): boolean;