/// <reference lib="es2017" />

import { RwLock } from "../primitives/rw-lock";

export type Strategy = "max" | "min";

declare class ListNode<T> {
  element: T;
  next: ListNode<T> | null;
  constructor(element: T);
}

export class ConcurrentPriorityQueue<T> {
  readonly readerBuffer: SharedArrayBuffer;
  readonly writerBuffer: SharedArrayBuffer;

  readonly rwLock: RwLock;

  readonly strategy: Strategy;

  constructor(strategy?: Strategy);

  enqueue(item: T, priority: number): void;

  dequeue(): T | null;

  peek(): T | null;

  isEmpty(): boolean;

  get size(): number;
}