import { RefObject } from 'react';
export declare const CONTAINER_ROOT_BORDER = 1;
export declare const useStickyHeader: (rootRef: RefObject<HTMLDivElement>, headerRef: RefObject<HTMLDivElement>, __stickyHeader?: boolean | undefined, __stickyOffset?: number | undefined) => {
    isSticky: boolean | undefined;
    stickyStyles: {
        style: {
            top: string;
        };
    } | {
        style?: undefined;
    };
};