**Packages**
* `"react": "^16.13.1"`
* `"eslint-plugin-react-hooks": "^4.0.8"`

The issue #18819 still happens with `eslint-plugin-react-hooks@4.0.8`.

Using the example code from the other issue gives the following errors:

![image](https://user-images.githubusercontent.com/37122343/90794940-59d9a980-e305-11ea-9ec0-98f69b41c280.png)

![image](https://user-images.githubusercontent.com/37122343/90795019-770e7800-e305-11ea-92b8-b64407b0b22c.png)


useEffect(() => {
            console.log(ref.current);
          }, []);
        }
      `,
    },
    {
      code: normalizeIndent`
        function MyComponent() {
          const [state, setState] = React.useState<number>(0);
          useEffect(() => {
            const someNumber: typeof state = 2;
            setState(prevState => prevState + someNumber);
          }, [])
        }
      `,
    },
    {
      code: normalizeIndent`
        function App() {
          const foo = {x: 1};
          React.useEffect(() => {
            const bar = {x: 2};
            const baz = bar as typeof foo;
            console.log(baz);
          }, []);
        }
      `,
    },
  ],