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Type ReactDOM.render to correctly indicate that it may return null #5728

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2 changes: 1 addition & 1 deletion lib/react-dom.js
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ declare module 'react-dom' {
element: React$Element<ElementType>,
container: Element,
callback?: () => void,
): React$ElementRef<ElementType>;
): ?React$ElementRef<ElementType>;

declare function createPortal(
node: React$Node,
Expand Down