import type { BoxProps } from '@mui/material/Box';
import type { SxProps, Theme } from '@mui/material/styles';
export interface BackdropProps extends Omit<BoxProps, 'children'> {
    /** Controls visibility — when false the backdrop is not rendered at all */
    open?: boolean;
    /** Semantic close handler called on click (merged with onClick) */
    onClose?: () => void;
    /** MUI sx style overrides */
    sx?: SxProps<Theme>;
}