/** Same shape as ElevenLabs list response items (avoid importing the service module). */
export type VoicesListCacheVoice = {
    voice_id: string;
    name: string;
    category?: string;
};
export declare function getCachedVoicesList(ttlMs: number): VoicesListCacheVoice[] | null;
export declare function setCachedVoicesList(voices: VoicesListCacheVoice[]): void;
/**
 * Drop the in-memory voices cache. Called from `destroy()` on shutdown / hot
 * reload, and re-exported under a `*ForTesting` alias so vitest cases keep
 * their existing import.
 */
export declare function clearVoicesListCache(): void;
export declare const resetVoicesListCacheForTesting: typeof clearVoicesListCache;