export type CacheStats = { hits: number; misses: number; averageHitTime: number; averageMissTime: number; }; export type CacheMetrics = { operation: string; // this indicates the ratio of cache hits hitRatio: number; // this indicate how much time we are saving compared with average miss time timeSavedRatio: number; // this indicates how much faster on average your request is when it hits cache performanceGain: number; };