import type { HybridObject } from 'react-native-nitro-modules';
export interface TTSLoadOptions {
    onProgress?: (progress: number) => void;
}
export interface TTSGenerateOptions {
    voice?: string;
    speed?: number;
}
export interface TTS extends HybridObject<{
    ios: 'swift';
}> {
    readonly isLoaded: boolean;
    readonly isGenerating: boolean;
    readonly modelId: string;
    readonly sampleRate: number;
    load(modelId: string, options?: TTSLoadOptions): Promise<void>;
    generate(text: string, options?: TTSGenerateOptions): Promise<ArrayBuffer>;
    stream(text: string, onAudioChunk: (audio: ArrayBuffer) => void, options?: TTSGenerateOptions): Promise<void>;
    stop(): void;
    unload(): void;
}
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