/**
 * Defines the Time-To-Live (TTL) for various types of cached data.
 * This provides a single source of truth for caching policies.
 */
export declare const CACHE_TTLS: {
    DYNAMIC: number;
    STANDARD: number;
    SEMI_STATIC: number;
    STATIC: number;
};
/**
 * Defines the collection names used for different types of cached data.
 * This helps in organizing data within MongoDB.
 */
export declare const CACHE_COLLECTIONS: {
    TRANSCRIPTS: string;
    VIDEO_DETAILS: string;
    CHANNEL_TOP_VIDEOS: string;
    CHANNEL_RECENT_TOP_VIDEOS: string;
    VIDEO_SEARCHES: string;
    VIDEO_CATEGORIES: string;
    CHANNEL_STATS: string;
    TRENDING_VIDEOS: string;
    VIDEO_COMMENTS: string;
};