/**
 * Independent time operation tool to facilitate subsequent switch to dayjs
 */
import dayjs from 'dayjs';
export declare function formatToDateTime(date: dayjs.Dayjs | string, format?: string): string;
export declare function formatToDate(date: dayjs.Dayjs | string, format?: string): string;
export declare function formatToTimestamp(date: string, format?: string): number;
export declare function formatToExcelTime(date: string): number;
export declare const dateUtil: typeof dayjs;
export declare function getMomentFormatString(date: any, valueFormat?: string): string;