export declare const isSameDate: (date1: Date, date2: Date) => boolean;
export declare const isValidDate: (value?: any) => value is Date;
export declare const getDaysOfMonth: (month: Date) => Date[];
export declare const numberOfDaysInMonth: (month: Date) => number;
export declare const isDateAfter: (date1: Date, date2: Date) => boolean;
export declare const setDate: (date: Date, dayOfMonth: number) => Date;
export declare const isWeekend: (date: Date) => boolean;