/**
 * @description 格式化 YYYYMMDDhhmmss 为 Date
 * @param {string} dateTimeString YYYYMMDDhhmmss
 * @param {string} splice 分割符
 * @returns {Date}
 */
export function formatStringDateToDate(dateTimeString: string, splice?: string): Date;
/**
 * @description 格式化 YYYYMMDDhhmmss 为 Date
 * @param {string} dateTimeString YYYYMMDDhhmmss
 * @param {string} splice 分割符
 * @returns {Date}
 */
export function formatStringDateToString(dateTimeString: string, splice?: string): Date;