For those of us who want to upgrade to the latest version of TypeScript, but haven't gotten around to upgrade our app to react 16 yet.
The bivarianceHack seems like an ugly workaround, but that's how @types/react@16 work atm.
* Add "as" attribute to links
See corresponding addition here: https://github.com/facebook/react/pull/7582
* Add "as" attribute to link elements in React v16 definition
* Turn commas into semicolons (React 15)
* Turn commas into semicolons (React 16)
* Add hydrate method
* Add hydrate to react-dom-tests.ts
* Fix whitespace
* Create shared interface for `render` and `hydrate`
* Add renderToNodeStream and renderToStaticNodeStream methods in ReactDomServer
* Add proper nodejs.readablestream
* Add react-dom v15 for backwards compatibility
* Add proper baseUrl for react-dom/v15
* Change react test _interval type to NodeJS.Timer
* Export the renderer interface
* Change react/v15 to use NodeJS.Timer
