class Queue implements QueueSpec<T>import { Queue } from "https://deno.land/x/unitest@v1.0.0-beta.82/mock/utils.ts"; tiny FIFO queue ConstructorsnewQueue(value?: T[])Type ParametersTMethodsclear(): voiddelete all queue dequeue(): T | undefinedtake first queue enqueue(value: T): voidadd queue to last