import { Provider } from '@loopback/core';
import { Request, Response } from '@loopback/rest';
import * as helmet from 'helmet';
export interface HelmetAction {
    (request: Request, response: Response): Promise<void>;
}
export declare class HelmetActionProvider implements Provider<HelmetAction> {
    private readonly config?;
    constructor(config?: helmet.HelmetOptions | undefined);
    value(): HelmetAction;
    action(request: Request, response: Response): Promise<void>;
}