/**
 * 时间轴数据类型兼容性定义
 * 用于处理现有代码的类型兼容问题
 */
export type LegacyTimelineData = Array<Record<string, any>>;
export declare function isTimelineMonth(item: any): item is Record<string, any>;
export declare function isTimelineYear(item: any): item is Record<string, any>;
export declare function isTimelineDay(item: any): item is Record<string, any>;