import * as React from 'react';
import type { IOverlayProps } from './Overlay.types';
import type { JSXElement } from '@fluentui/utilities';
export declare class OverlayBase extends React.Component<IOverlayProps, {}> {
    private _allowTouchBodyScroll;
    constructor(props: IOverlayProps);
    componentDidMount(): void;
    componentWillUnmount(): void;
    render(): JSXElement;
}