class defaultimport { default } from "https://deno.land/x/zoic@v1.0.5/src/lfu.ts"; Spec as per: http://dhruvbird.com/lfu.pdf Constructorsnewdefault(expire: number,metrics: PerfMetrics,capacity: number,)Propertiescache: Record<string, Node>capacity: numberexpire: numberfreqList: FreqDoublyLinkedListlength: numbermetrics: PerfMetricsMethodsclear()delete(key: string)get(key: string)put(key: string,value: cacheValue,byteSize: number,)Adds new item to cache.