import { EventEmitter } from "node:events";
import { ListenLiveClient, LiveSchema } from "@deepgram/sdk";
import { LiveClientMessage } from "./types.js";
import { Message } from "../../../interfaces/message/message.js";
import { STT, STTEvents } from "../../../interfaces/stt/stt.js";
import { Mutex } from "../../../commons/mutex.js";
export interface DeepgramSTTOptions {
    apiKey: string;
    liveSchema: LiveSchema;
    queueSizeLimit?: number;
}
export declare class DeepgramSTT extends EventEmitter<STTEvents> implements STT {
    protected listenLiveClient: ListenLiveClient;
    protected transcript: string;
    protected speechStarted: boolean;
    protected liveSchema: LiveSchema;
    protected apiKey: string;
    protected mutex: Mutex;
    constructor({ apiKey, liveSchema, queueSizeLimit }: DeepgramSTTOptions);
    protected closeConnection: () => void;
    protected createConnection: () => ListenLiveClient;
    protected onClientMessage: (message: LiveClientMessage) => void;
    protected onClientUnhandled: (...args: unknown[]) => void;
    protected onClientError: (err: unknown) => void;
    protected onClientMetaData: (...args: unknown[]) => void;
    protected onClientClose: (...args: unknown[]) => void;
    protected onClientOpen: (...args: unknown[]) => void;
    post: (message: Message) => void;
    dispose: () => void;
}