import type { ConfigType } from 'dayjs';
import dayjs from 'dayjs';
import 'dayjs/locale/zh-cn';
export declare const dayTime: (str: ConfigType, type?: string) => string;
export declare const subtractTime: (str: ConfigType, type?: string) => string;
export declare const subtractTimeTheHour: (str: ConfigType, type?: string) => string;
export declare const addTime: (str: ConfigType, type?: string) => string;
export declare function utcToDateTime(date?: string): string | undefined;
export declare const subtractHour: (str: ConfigType) => dayjs.Dayjs;
export declare const getLastTimeStr: (type: 'add' | 'subtract' | 'normal', time: string, friendly: boolean) => string;
export default dayjs;
