export declare function truncateTime(d: Date): Date;
export declare const isSameDay: (date1: Date, date2: Date) => boolean;
export declare function dateEquals(d1: Date, d2: Date): boolean;
export declare function parseStringDate(text: string, isNative?: boolean): Date;
export declare function dateToString(date: Date): string;
export declare function isParentElement(sourceEl: any, parentEl: any): boolean;