import React from 'react';
import type { IOverlayProps } from '@fluentui/react';
/**
 * UILoader component
 * based on https://developer.microsoft.com/en-us/fluentui#/controls/web/overlay
 *
 * @exports
 * @class UIOverlay
 * @extends {React.Component<IOverlayProps, {}>}
 */
export declare class UIOverlay extends React.Component<IOverlayProps, {}> {
    /**
     * Initializes component properties.
     *
     * @param {IOverlayProps} props
     */
    constructor(props: IOverlayProps);
    /**
     * @returns {JSX.Element}
     */
    render(): JSX.Element;
}
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