import { MyLinkedList } from "https://deno.land/x/masx200_leetcode_test@10.5.2/lfu-cache/MyLinkedList.ts";
Methods
addAfter(prev_node: DoublyLinkedList<T>, new_node: DoublyLinkedList<T>): void
addBefore(next_node: DoublyLinkedList<T>, new_node: DoublyLinkedList<T>): void
addFirst(node: DoublyLinkedList<T>): void
addLast(node: DoublyLinkedList<T>): void
clear()
isEmpty()
lastNode()
removeNode(node: DoublyLinkedList<T>): void