import type { RefObject, SyntheticEvent } from "react";
export declare const useVerticalScrollbars: () => [
    RefObject<HTMLDivElement>,
    RefObject<HTMLDivElement>,
    RefObject<HTMLDivElement>,
    number,
    (nextScrollY: number) => void,
    (event: SyntheticEvent<HTMLDivElement>) => void,
    () => void,
    () => void
];