/**
 * React hook combining Silero VAD (via @huggingface/transformers) with
 * turn-done detection based on sustained silence after speech ends.
 *
 * Usage:
 *   const { isListening, isSpeaking, isTurnDone, lastSpeechSegment, start, stop }
 *     = useSileroSmartTurn();
 */
export declare function useSileroSmartTurn(): {
    isListening: boolean;
    isSpeaking: boolean;
    isTurnDone: boolean;
    lastSpeechSegment: Float32Array<ArrayBufferLike>;
    start: () => Promise<void>;
    stop: () => void;
};