import { Signer } from './signer';
import { Verfer } from './verfer';
export declare class Authenticater {
    static DefaultFields: string[];
    private _verfer;
    private readonly _csig;
    constructor(csig: Signer, verfer: Verfer);
    verify(headers: Headers, method: string, path: string): boolean;
    sign(headers: Headers, method: string, path: string, fields?: Array<string>): Headers;
}