Example:

```js
        function Example(props) {
          useEffect(() => {
            let topHeight = 0;
            topHeight = props.upperViewHeight;
          }, [props.upperViewHeight]);
        }
```

This is **not** supposed to violate because `props.upperViewHeight` is in the deps.
message:
            "React Hook useEffect has an unnecessary dependency: 'ref.current'. " +
            'Either exclude it or remove the dependency array. ' +
            "Mutable values like 'ref.current' aren't valid dependencies " +
            "because mutating them doesn't re-render the component.",
          suggestions: [
            {
              desc: 'Update the dependencies array to be: [ref]',
              output: normalizeIndent`
                function MyComponent() {
                  const ref = useRef();
                  useEffect(() => {
                    console.log(ref.current);
                  }, [ref]);
                }
              `,
            },
          ],
        },
      ],
    },
    {
      code: normalizeIndent`
        const MyComponent = forwardRef((props, ref) => {
          useImperativeHandle(ref, () => ({
            focus() {
              alert(props.hello);
            }
          }), [])
        });