import { NestMiddleware } from '@nestjs/common';
import { XPermittedCrossDomainPoliciesOptions } from 'helmet/dist/types/middlewares/x-permitted-cross-domain-policies';
export declare class HelmetPermittedCrossDomainPoliciesMiddleware implements NestMiddleware {
    static configure(opts: XPermittedCrossDomainPoliciesOptions): void;
    private static options;
    use(req: any, res: any, next: any): void;
}