import { Request, Response } from 'express';
import { CookieOptions } from '../../utils/cookie.helper';
export declare class CsrfService {
    private cfg;
    isEnabled(): boolean;
    cookieName(): string;
    headerName(): string;
    generateToken(): string;
    issue(res: Response, baseOptions?: CookieOptions): string;
    assertValidForCookieAuth(req: Request): void;
    private requestOrigin;
}
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