/// <reference types="node" />
import { WebSocket } from 'ws';
import type { ElevenLabsAlpha } from './elevenlabs-alpha';
export type SpeechToTextConfig = {
    apiKey: string;
};
export type SpeechToTextTranscribeConnectParams = {
    onTranscription?: (data: string) => void;
    onUtterance?: (data: string) => void;
    onError?: (error: Error) => void;
    onClose?: (params: {
        code: number;
        reason: Buffer;
    }) => void;
};
export declare class SpeechToText {
    private elevenlabsAlpha;
    isOpen: boolean;
    ws: WebSocket | null;
    constructor(elevenlabsAlpha: ElevenLabsAlpha);
    connect: (params?: SpeechToTextTranscribeConnectParams) => void;
    send: (data: Record<string, unknown>) => void;
}