/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow
 */
import type {ReactElement} from 'shared/ReactElementType';
import type {ReactPortal} from 'shared/ReactTypes';
import type {Fiber} from 'react-reconciler/src/ReactFiber';
import type {ExpirationTime} from 'react-reconciler/src/ReactFiberExpirationTime';
import {Placement, Deletion} from 'shared/ReactTypeOfSideEffect';
import {
  getIteratorFn,
  REACT_ELEMENT_TYPE,
  REACT_FRAGMENT_TYPE,
  REACT_PORTAL_TYPE,
} from 'shared/ReactSymbols';
import {
  FunctionalComponent,
  ClassComponent,
  HostText,
  HostPortal,