import * as React from "react";
import { CSSTransitionProps } from "../../utils/reactTransitionGroup";
export type BackdropProps = React.ComponentPropsWithoutRef<"div"> & {
    isOpen?: boolean;
    invisible?: boolean;
    /**
     * Unit: millisecond
     */
    transitionDuration?: number;
    /**
     * props of [Fade](/?path=/docs/components-utils-fade)
     */
    fadeProps?: CSSTransitionProps;
};
declare const Backdrop: React.ForwardRefExoticComponent<Omit<React.DetailedHTMLProps<React.HTMLAttributes<HTMLDivElement>, HTMLDivElement>, "ref"> & {
    isOpen?: boolean;
    invisible?: boolean;
    /**
     * Unit: millisecond
     */
    transitionDuration?: number;
    /**
     * props of [Fade](/?path=/docs/components-utils-fade)
     */
    fadeProps?: CSSTransitionProps;
} & React.RefAttributes<HTMLDivElement>>;
export default Backdrop;