import * as React from 'react';
import BasicComponent from '../../../components/Base/BasicComponent';
interface IViewPortWatcherProps {
    className?: string;
    onChange?: (inViewPort: boolean) => void;
}
export default class ViewPortWatcher extends BasicComponent<IViewPortWatcherProps, any> {
    io: IntersectionObserver;
    componentDidMount(): void;
    render(): React.JSX.Element;
}
export {};