import { type WsSpeechClientOptions } from '../types';
import { type CreateSpeechWsReq, type CreateSpeechWsRes, type WebSocketAPI } from '../..';
declare class WsSpeechClient {
    ws: WebSocketAPI<CreateSpeechWsReq, CreateSpeechWsRes> | null;
    private listeners;
    private wavStreamPlayer;
    private trackId;
    private api;
    private totalDuration;
    private playbackStartTime;
    private playbackPauseTime;
    private playbackTimeout;
    private elapsedBeforePause;
    private audioDeltaList;
    private config;
    constructor(config: WsSpeechClientOptions);
    init(): Promise<WebSocketAPI<CreateSpeechWsReq, CreateSpeechWsRes>>;
    connect({ voiceId, speechRate, }?: {
        /**音色ID */
        voiceId?: string;
        /**输出音频的语速，取值范围 [-50, 100]，默认为 0。-50 表示 0.5 倍速，100 表示 2 倍速。 */
        speechRate?: number;
    }): Promise<void>;
    disconnect(): Promise<void>;
    /**
     * Releases wavStreamPlayer resources so callers can dispose the instance.
     * In a mobile browser environment, if the WsSpeechClient is instantiated multiple times,
     * you can additionally call the destroyPlayer method to release resources and prevent issues with speech playback.
     */
    destroyPlayer(): Promise<void>;
    append(message: string): void;
    complete(): void;
    appendAndComplete(message: string): void;
    interrupt(): Promise<void>;
    pause(): Promise<void>;
    resume(): Promise<void>;
    togglePlay(): Promise<void>;
    isPlaying(): boolean;
    on(event: string, callback: (data: CreateSpeechWsRes | undefined) => void): void;
    off(event: string, callback: (data: CreateSpeechWsRes | undefined) => void): void;
    private closeWs;
    private emit;
    private handleAudioMessage;
}
export default WsSpeechClient;