import { AcknowledgementChallenge } from './acknowledgementChallenge.js';
import { HalfKey } from '@hoprnet/hopr-utils';
import type { HalfKeyChallenge } from '@hoprnet/hopr-utils';
import type { PeerId } from '@libp2p/interface-peer-id';
export declare class Acknowledgement {
    private ackSignature;
    private challengeSignature;
    ackKeyShare: HalfKey;
    private constructor();
    static get SIZE(): number;
    static create(challenge: AcknowledgementChallenge, ackKey: HalfKey, privKey: PeerId): Acknowledgement;
    static deserialize(preArray: Uint8Array, ownPubKey: PeerId, senderPubKey: PeerId): Acknowledgement;
    get ackChallenge(): HalfKeyChallenge;
    serialize(): Uint8Array;
}
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