// @flow

import * as INTERFACE from "./interface";
declare export class WeakMap<K: Object, V> {

  keys: Array<K>;
  name: string;
  values: Array<V>;
  weakmap: WeakMap<K, V>;
  _cleanupClosedWindows(): void | void | void | void;
  constructor(): void | void | void | void;
  delete(key: K): void | void | void | void;
  get(key: K): V | void;
  getOrSet(key: K, getter: () => V): V;
  has(key: K): boolean;
  isSafeToReadWrite(key: K): boolean;
  set(key: K, value: V): void | void | void | void | void | void | void | void;
}

declare export default {WeakMap: WeakMap<K: Object, V>};