import type { VoiceEngine, VoiceEventSink } from './engine.js';
import type { OmniRoute } from './omniRoute.js';
export interface OmniTranscript {
    itemId: string;
    role: 'user' | 'assistant';
    text: string;
    interrupted: boolean;
}
export declare function createOmniVoiceEngine(options: {
    callId: string;
    route: OmniRoute;
    silenceDurationMs: number;
    bargeIn: boolean;
    send: VoiceEventSink;
    sendAudio: (responseId: string, bytes: Uint8Array) => void;
    record: (entry: OmniTranscript) => Promise<void>;
    onClose: (reason: string, notify: boolean) => Promise<void>;
}): VoiceEngine;