import { type PropsWithChildren } from 'react';
interface ExpansionTransitionProps {
    in: boolean;
    width: string;
    onExited?: () => void;
}
export declare function ExpansionTransition({ in: inProp, children, width, onExited, }: PropsWithChildren<ExpansionTransitionProps>): import("react/jsx-runtime").JSX.Element;
export {};