import React, { ReactNode } from 'react';
export interface TimelineItem {
    date?: Date;
    header: ReactNode;
    content: ReactNode;
    completed: boolean;
    size?: number;
    id: string | number;
}
export declare const Timeline: ({ items, offset, grayOutCompleted, style }: {
    items: TimelineItem[];
    offset?: number;
    grayOutCompleted?: boolean;
    style?: Record<string, any>;
}) => React.JSX.Element;