export declare const compareMonth: (date1: Date, date2: Date) => 0 | 1 | -1;
export declare const compareDay: (day1: Date, day2: Date) => number;
export declare const getDayByOffset: (date: Date, offset: number) => Date;
export declare const getPrevDay: (date: Date) => Date;
export declare const getToday: () => Date;
export declare const copyDates: (dates: any) => any[] | Date;
export declare const getMonthEndDay: (year: number, month: number) => number;
export declare const calcDateNum: (date: any) => number;
export declare const getNextDay: (date: Date) => Date;
export declare const getMonths: (minDate: Date, maxDate: Date) => number[];
export declare function formatMonthTitle(date: Date): string;
