import * as ws from "ws";
import { EventEmitter } from "node:events";
import { Session } from "./types.js";
import { STT, STTEvents } from "../../../interfaces/stt/stt.js";
import { Mutex } from "../../../commons/mutex.js";
import { Message } from "../../../interfaces/message/message.js";
export interface OpenAISTTOptions {
    apiKey: string;
    session: Session;
    queueSizeLimit?: number;
}
export declare class OpenAISTT extends EventEmitter<STTEvents> implements STT {
    protected webSocket: ws.WebSocket;
    protected apiKey: string;
    protected mutex: Mutex;
    protected transcript: string;
    protected session: Session;
    constructor({ apiKey, session, queueSizeLimit }: OpenAISTTOptions);
    protected closeWebSocketConnection: () => void;
    protected createWebSocketConnection: () => ws.WebSocket;
    post: (message: Message) => void;
    protected onWebSocketMessage: (data: unknown) => void;
    protected onWebSocketOpen: () => void;
    protected onWebSocketClose: (code: number, reason: Buffer) => void;
    protected onWebSocketError: (err: Error) => void;
    dispose: () => void;
}