import { LineLayout, LinePositionOptions, TimelineItemData, TimelineLabelData } from './types';
export declare function parsePx(value: string | number | undefined): number;
export declare function getLineTop(container: HTMLElement, options: LinePositionOptions): number;
export declare function getLineBottom(container: HTMLElement, options: LinePositionOptions): number | null;
export declare function clampLineHeight(lineTop: number, lineBottom: number | null): LineLayout | null;
export declare const organizeTimelineItems: (items: TimelineItemData[]) => TimelineLabelData[];