import { ExecutionContext } from '@nestjs/common';
declare const OptionalAuthGuard_base: import("@nestjs/passport").Type<import("@nestjs/passport").IAuthGuard>;
export declare class OptionalAuthGuard extends OptionalAuthGuard_base {
    private readonly logger;
    canActivate(context: ExecutionContext): Promise<boolean>;
    handleRequest(err: any, user: any, info: any): any;
}
export {};