import { DateType, DateValue } from '@/lib/types/dayjs.d';
export declare const getDateType: (pickerType: DateType) => string;
export declare const getDateTypeName: (dateType: DateType) => string;
export declare const getStartOfDayUnix: (date: DateValue) => number;
export declare const getStartOfDayToDate: (date: DateValue) => Date;
export declare const getEndOfDayUnix: (date: DateValue) => number;
export declare const getEndOfDayToDate: (date: DateValue) => Date;
export declare const getStartOfMonthUnix: (date: DateValue) => number;
export declare const getStartOfYearUnix: (date: DateValue) => number;
export declare const getFormat: (date: DateValue, format: string) => string;
export declare const chineseDateTimeFormat: Intl.DateTimeFormat;
export declare enum DateTypeEnum {
    dateTime = "second",
    date = "date",
    week = "week",
    month = "month",
    year = "year"
}
export declare const isDate: (key: string) => boolean;
