/// <reference types="node" />
export default class Header {
    h: Buffer;
    constructor(h: Buffer);
    Cipher(): Buffer;
    SetCipher(cipher: Buffer): void;
    Length(): number;
    SetLength(length: number): void;
    IsFinal(): boolean;
    Nonce(): Buffer;
    AAD(): Buffer;
    SetRand(randVal: Buffer, final: boolean): void;
    GetHeader(): Buffer;
}