1. /**
    
  2.  * Copyright (c) Meta Platforms, Inc. and affiliates.
    
  3.  *
    
  4.  * This source code is licensed under the MIT license found in the
    
  5.  * LICENSE file in the root directory of this source tree.
    
  6.  *
    
  7.  * @flow
    
  8.  */
    
  9. 
    
  10. export type Source = {
    
  11.   fileName: string,
    
  12.   lineNumber: number,
    
  13. };
    
  14. 
    
  15. export type ReactElement = {
    
  16.   $$typeof: any,
    
  17.   type: any,
    
  18.   key: any,
    
  19.   ref: any,
    
  20.   props: any,
    
  21.   // ReactFiber
    
  22.   _owner: any,
    
  23. 
    
  24.   // __DEV__
    
  25.   _store: {validated: boolean, ...},
    
  26.   _self: React$Element<any>,
    
  27.   _shadowChildren: any,
    
  28.   _source: Source,
    
  29. };