import * as React from 'react'; import { StandardProps } from '..'; import { FadeProps } from '../Fade'; import { TransitionProps } from '../transitions/transition'; export interface BackdropProps extends StandardProps< React.HTMLAttributes & Partial, BackdropClassKey > { invisible?: boolean; onClick?: React.ReactEventHandler<{}>; open: boolean; transitionDuration?: TransitionProps['timeout']; } export type BackdropClassKey = 'root' | 'invisible'; declare const Backdrop: React.ComponentType; export default Backdrop;