Viewing github.com/facebook/react/packages/react-dom/client.js

```
/**
```

 * Copyright (c) Meta Platforms, Inc. and affiliates.

```
 *
```

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

```
 *
```
```
 * @flow
```
```
 */
```
```
'use strict';
```

import type {ReactNodeList} from 'shared/ReactTypes';

```
import type {
```
```
  RootType,
```
```
  HydrateRootOptions,
```
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  CreateRootOptions,
```
```
} from './src/client/ReactDOMRoot';
```
```
import {
```
```
  createRoot as createRootImpl,
```
```
  hydrateRoot as hydrateRootImpl,
```

  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED as Internals,

```
} from './';
```
```
export function createRoot(
```

  container: Element | Document | DocumentFragment,

```
  options?: CreateRootOptions,
```
```
): RootType {
```
```
  if (__DEV__) {
```

    Internals.usingClientEntryPoint = true;

```
  }
```
```
  try {
```

    return createRootImpl(container, options);

```
  } finally {
```
```
    if (__DEV__) {
```

      Internals.usingClientEntryPoint = false;

```
    }
```
```
  }
```
```
}
```
```
export function hydrateRoot(
```
```
  container: Document | Element,
```
```
  children: ReactNodeList,
```
```
  options?: HydrateRootOptions,
```
```
): RootType {
```
```
  if (__DEV__) {
```

    Internals.usingClientEntryPoint = true;

```
  }
```
```
  try {
```

    return hydrateRootImpl(container, children, options);

```
  } finally {
```
```
    if (__DEV__) {
```

      Internals.usingClientEntryPoint = false;

```
    }
```
```
  }
```
```
}
```

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