declare const _default: {
    toTimeText: (timeStamp: string | number | Date, simple?: boolean | undefined) => string;
    toPreciseTimeText: (timeStamp: string | number | Date) => string;
    toChatTimeText: (timeStamp: string | number | Date) => string;
    isYestday: (date: Date) => boolean;
    isYear: (date: Date) => boolean;
    formatDateTime: (date: string | Date) => string;
};
export default _default;