export interface AudioVoice {
    name: string;
    lang: string;
    localService: boolean;
    default: boolean;
    voiceURI: string;
}
export interface SpeechOptions {
    text: string;
    voice?: string;
    rate?: number;
    pitch?: number;
    volume?: number;
    lang?: string;
}
export interface AudioConfig {
    defaultRate: number;
    defaultPitch: number;
    defaultVolume: number;
    preferredLanguages: string[];
    fallbackLanguage: string;
}
export declare class Audio {
    private synthesis;
    private voices;
    private isInitialized;
    private audioConfig;
    constructor();
    private init;
    private loadVoices;
    getAvailableVoices(): AudioVoice[];
    getBestVoiceForLanguage(language?: string): SpeechSynthesisVoice | null;
    speak(options: SpeechOptions): Promise<void>;
    speakText(text: string, language?: string): Promise<void>;
    pause(): void;
    resume(): void;
    stop(): void;
    isSpeaking(): boolean;
    isPaused(): boolean;
    isSupported(): boolean;
    private getSystemLanguage;
    setAudioConfig(config: Partial<AudioConfig>): void;
    getAudioConfig(): AudioConfig;
    getAudioInfo(): any;
    speakSequence(texts: string[], options?: Partial<SpeechOptions>): Promise<void>;
    speakWithEffect(text: string, effect: 'slow' | 'fast' | 'robot' | 'whisper'): Promise<void>;
}
export default Audio;
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