import { CanActivate, ExecutionContext, Type } from '@nestjs/common';
import { Strategy } from "../common";
/**
 * If you want to create custom Guard, extend AbstractAuthGuard.
 * the Strategy will be injected by nestjs module
 * you have to add @Injectable decorator on AuthGuard extends AbstractAuthGuard
 */
export declare abstract class AbstractAuthGuard implements CanActivate {
    protected readonly strategy: Strategy;
    constructor(strategy: Strategy);
    canActivate(context: ExecutionContext): Promise<boolean>;
}
/**
 * @param token this is a marking as a target for Dependency Injection (DI).
 * In nestjs module, you have to provide this token with Strategy
 * @returns MixInGuard extends AbstractAuthGuard
 */
export declare const AuthGuard: <S>(token: S) => Type<AbstractAuthGuard>;