class MemoryCacheimport { MemoryCache } from "https://deno.land/x/levo@v0.0.27/src/memory-cache.ts"; ConstructorsnewMemoryCache(unnamed 0: { maxNumberOfKeys: number; })Type ParametersTPropertiesprivatecache: Record<string, T | undefined>privatemaxNumberOfKeys: numberprivateretrievalFrequency: Record<string, number>Methods_getCache(): Record<string, T | undefined>For testing purposes only _getRetrievalFrequency(): Record<string, number>get(key: string): T | undefinedset(key: string, value: T): void