/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @emails oncall+recoil
 * @flow strict-local
 * @format
 */
'use strict';

import type { RecoilValue } from '../core/Recoil_RecoilValue';

const {
  useStoreRef
} = require('../core/Recoil_RecoilRoot');

const {
  SUSPENSE_TIMEOUT_MS
} = require('../core/Recoil_Retention');

const {
  updateRetainCount
} = require('../core/Recoil_Retention');

const {
  RetentionZone
} = require('../core/Recoil_RetentionZone');

const {
  useEffect,
  useRef
} = require('react');

const {
  isSSR
} = require('recoil-shared/util/Recoil_Environment');

const gkx = require('recoil-shared/util/Recoil_gkx');

const shallowArrayEqual = require('recoil-shared/util/Recoil_shallowArrayEqual');

const usePrevious = require('recoil-shared/util/Recoil_usePrevious'); // I don't see a way to avoid the any type here because we want to accept readable
// and writable values with any type parameter, but normally with writable ones
// RecoilState<SomeT> is not a subtype of RecoilState<mixed>.


type ToRetain = RecoilValue<any> // flowlint-line unclear-type:off
| RetentionZone | $ReadOnlyArray<RecoilValue<any> | RetentionZone>; // flowlint-line unclear-type:off

declare function useRetain(toRetain: ToRetain): void;
declare function useRetain_ACTUAL(toRetain: ToRetain): void;
module.exports = useRetain;