import type { TransferredVoiceControls, VoiceHandoffChannel } from "./handoff-contract.ts";
import { type CapturedHandoffAudio } from "./handoff-peer.ts";
export declare function startVoiceDeparture(options: {
    channel: VoiceHandoffChannel;
    captured: CapturedHandoffAudio;
    waitForSettled(signal: AbortSignal): Promise<void>;
    onReleased(controls: TransferredVoiceControls): void;
    onClosed(error: Error): void;
}): {
    completion: Promise<void>;
    close(): void;
};