interface ScrollShadowProps {
    setBackdropVisibility: (isVisible: boolean) => void;
    clearBackdropVisibilityTimeout?: number;
}
declare function useScrollBackShadow({ setBackdropVisibility, clearBackdropVisibilityTimeout }: ScrollShadowProps): {
    handleBackDropVisibility: () => void;
    clearBackdropVisibility: () => void;
    clearTimer: () => void;
};
export default useScrollBackShadow;