/**
 * (c) Facebook, Inc. and its affiliates. Confidential and proprietary.
 *
 * @emails oncall+recoil
 * @flow strict-local
 * @format
 */
'use strict';

import type { CachePolicy, EqualityPolicy, EvictionPolicy } from './Recoil_CachePolicy';
import type { TreeCacheImplementation } from './Recoil_TreeCacheImplementationType';

const nullthrows = require('../util/Recoil_nullthrows');

const stableStringify = require('../util/Recoil_stableStringify');

const {
  TreeCache
} = require('./Recoil_TreeCache');

const treeCacheLRU = require('./Recoil_treeCacheLRU');

const defaultPolicy = {
  equality: 'reference',
  eviction: 'none',
  maxSize: Infinity
};
declare function treeCacheFromPolicy<T>(arg0: CachePolicy): TreeCacheImplementation<T>;
declare function getValueMapper(equality: EqualityPolicy): (mixed) => mixed;
declare function getTreeCache<T>(eviction: EvictionPolicy, maxSize: ?number, mapNodeValue: (mixed) => mixed): TreeCacheImplementation<T>;
module.exports = treeCacheFromPolicy;