import React from "react";
/**
 * Prevent files dragged and dropped onto the page from triggering the browser's
 * default behavior of navigating away and loading the dropped file.
 *
 * Example:
 *
 *   <PreventFileDropNavigateAway />
 *
 * This component has global effect, and can be rendered anywhere in in the
 * React tree. File form inputs are given special treatment to allow files to be
 * dropped onto the input.
 */
export declare class PreventFileDropNavigateAway extends React.Component {
    componentDidMount(): void;
    componentWillUnmount(): void;
    render(): null;
}