/***
 * 日期格式化
 * @param {Date} date
 * @param {string} fmt
 * @returns {string}
 */
export declare const formatDate: (date: any, fmt: any) => any;
/**
 *
 * @param dateStr eg: 31 January 2025
 * @returns
 */
export declare function convertDateToIsoUtc(dateStr: string): string;
/**
 *
 * @param dateStr eg: January 31, 2025 5:06 PM GMT+8
 * @returns
 */
export declare function convertToIsoUtc(dateStr: string): string;