/**
 * Voice input support — uses system audio tools for recording and transcription.
 * V1: macOS-only using `rec` (SoX) + `whisper.cpp` or system speech recognition.
 */
export interface VoiceConfig {
    enabled: boolean;
    engine: "whisper" | "system";
    whisperModel?: string;
}
export declare const DEFAULT_VOICE_CONFIG: VoiceConfig;
/**
 * Check if voice recording tools are available.
 */
export declare function isVoiceAvailable(): {
    available: boolean;
    engine: string;
    reason?: string;
};
/**
 * Record audio from the microphone.
 * Returns the path to the recorded WAV file.
 */
export declare function recordAudio(durationSeconds?: number): string;
/**
 * Transcribe audio using the configured engine.
 */
export declare function transcribeAudio(audioPath: string, config: VoiceConfig): string;
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