emit,
    getFiberRoots,
    inject,
    on,
    off,
    sub,
    
    
    supportsFiber: true,
    
    checkDCE,
    onCommitFiberUnmount,
    onCommitFiberRoot,
  };
  Object.defineProperty(
    target,
    '__REACT_DEVTOOLS_GLOBAL_HOOK__',
    ({
      
      
      configurable: __DEV__,
      enumerable: false,
      get() {
        return hook;
      },
    }: Object),
  );
  return hook;
}