/**
 * Hook to allow transitioning a component when it enters or leaves the DOM. Based on Ryan Finni's
 * article on https://letsbuildui.dev/articles/building-a-drawer-component-with-react-portals
 * @param isMounted - whether the component is mounted
 * @param unmountDelay - delay of animation in ms
 */
declare const useMountTransition: (isMounted: boolean, unmountDelay: number) => boolean;
export default useMountTransition;
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