import type { LanVoiceCertificate } from "./certificate.ts";
export interface LanTakeoverIdentity {
    certificate: string;
}
export interface LanTakeoverOffer extends LanTakeoverIdentity {
    token: string;
}
export interface PreparedLanTakeover {
    offer: LanTakeoverOffer;
    certificate: LanVoiceCertificate;
}
export declare function prepareLanTakeover(agentDir: string): Promise<PreparedLanTakeover>;
export declare function decodeLanTakeoverOffer(value: unknown): LanTakeoverOffer;
export declare function assertLanTakeoverIdentity(source: LanTakeoverIdentity, target: LanTakeoverIdentity): void;
/** A peer must reach this exact certificate-pinned listener through its own loopback. */
export declare function verifyLanTakeoverListener(certificate: string, value: unknown): Promise<void>;
/** Only the reconnect carrying the source token may use the prepared snapshot. */
export declare class LanTakeoverArrival<T> {
    private pending;
    constructor(token: string | undefined, value: T | undefined);
    consume(token?: string): T | undefined;
}