import { type PlayAudioOptions } from '../audio/player';
import { type StartRecordingOptions } from '../audio/recorder';
import { type ChatOptions, type SarvamChatMessage, type SarvamRNClient } from '../client/SarvamRNClient';
import { type SpeechToTextOptions } from '../speech/speechToText';
import { type TextToSpeechOptions } from '../speech/textToSpeech';
export interface VoiceAssistantConfig {
    autoPlay?: boolean;
    initialMessages?: SarvamChatMessage[];
    recordingOptions?: StartRecordingOptions;
    transcriptionOptions?: SpeechToTextOptions;
    chatOptions?: ChatOptions;
    textToSpeechOptions?: TextToSpeechOptions;
    playbackOptions?: PlayAudioOptions;
}
export interface VoiceAssistantResult {
    transcript: string;
    response: string;
    audioBase64?: string;
    audioMimeType?: string;
}
type TranscriptListener = (transcript: string) => void;
type ResponseListener = (response: string) => void;
type AudioListener = (audioBase64: string, mimeType: string) => void;
export declare class VoiceAssistant {
    private readonly client;
    private readonly config;
    private readonly recorder;
    private readonly player;
    private readonly transcriptListeners;
    private readonly responseListeners;
    private readonly audioListeners;
    private listening;
    private processing;
    private readonly conversation;
    constructor(client: SarvamRNClient, config?: VoiceAssistantConfig);
    get isListening(): boolean;
    get isProcessing(): boolean;
    get messages(): SarvamChatMessage[];
    onTranscript(listener: TranscriptListener): () => void;
    onResponse(listener: ResponseListener): () => void;
    onAudio(listener: AudioListener): () => void;
    startListening(recordingOptions?: StartRecordingOptions): Promise<void>;
    stopListening(): Promise<VoiceAssistantResult>;
    resetConversation(messages?: SarvamChatMessage[]): void;
    stopAudioPlayback(): Promise<void>;
    dispose(): Promise<void>;
    private emitTranscript;
    private emitResponse;
    private emitAudio;
}
export {};
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