Function useFocusScope

useFocusScope(ref, props?): FocusControls
Creates a focus scope inside a container element and returns controls to move focus around.
Parameters
- ref: RefObject<Element>
  A ref to a container element inside which focus state is managed.
- props: FocusScopeProps = emptyObject
  Focus scope props.
Returns FocusControls
Focus controls that allow to move focus around in a container element. An object which identity never changes between renders.
Example
```
const containerRef = useRef(null);
const focusControls = useFocusScope(containerRef);

<FocusControlsProvider value={focusControls}>
  <div ref={containerRef}>
    <input/>
  </div>
</FocusControlsProvider>
```