export declare const isAfter: (date1: Date, date2: Date) => boolean;
export declare const isBefore: (date1: Date, date2: Date) => boolean;
export declare const isDatesEqual: (firstDate: Date | string | number, secondDate: Date | string | number, shouldCompareTime?: boolean) => boolean;
export declare const getAddDays: (date: Date, days: number) => Date;
export declare const getAddMonths: (date: Date, months: number) => Date;
export declare const getAddYears: (date: Date, years: number) => Date;
export declare const getSubDays: (date: Date, days: number) => Date;
export declare const getSubMonths: (date: Date, months: number) => Date;
export declare const getSubYears: (date: Date, years: number) => Date;
export declare const getAllMonthNames: (type?: "long" | "short" | "narrow") => string[];
export declare const getAllWeekdayNames: (type: "long" | "short" | "narrow" | undefined, isSundayFirst: boolean) => string[];