import { MemoExoticComponent } from 'react';
interface TimelineHeaderProps {
    headerRef: React.RefObject<HTMLDivElement | null>;
    measureRef?: React.RefObject<HTMLDivElement | null>;
}
declare function TimelineHeader({ headerRef, measureRef }: TimelineHeaderProps): import("react").JSX.Element;
declare const _default: MemoExoticComponent<typeof TimelineHeader>;
export default _default;