message: Add methods visibility for AutoHideScrollbar
diff: @@ -29,7 +29,7 @@ interface IProps {
  export default class AutoHideScrollbar extends React.Component<IProps> {
  private containerRef: React.RefObject<HTMLDivElement> = React.createRef();
  - componentDidMount() {
  + public componentDidMount() {
  if (this.containerRef.current && this.props.onScroll) {
  // Using the passive option to not block the main thread
  // https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#improving_scrolling_performance_with_passive_listeners
  @@ -41,17 +41,17 @@ export default class AutoHideScrollbar extends React.Component<IProps> {
  }
  }
  - componentWillUnmount() {
  + public componentWillUnmount() {
  if (this.containerRef.current && this.props.onScroll) {
  this.containerRef.current.removeEventListener("scroll", this.props.onScroll);
  }
  }
  - getScrollTop() {
  + public getScrollTop(): number {
  return this.containerRef.current.scrollTop;
  }
  - render() {
  + public render() {
  return (<div
  ref={this.containerRef}
  style={this.props.style}
  