export declare enum Views { Days = 0, Months = 1, Years = 2, Decades = 3 } export declare enum WeekStart { Saturday = 0, Sunday = 1, Monday = 2, Tuesday = 3, Wednesday = 4, Thursday = 5, Friday = 6 } export declare const isDateInRange: (date: Date, minDate?: Date, maxDate?: Date) => boolean; export declare const isDateEqual: (date: Date, selectedDate: Date) => boolean; export declare const getFirstDateInRange: (date: Date, minDate?: Date, maxDate?: Date) => Date; export declare const getFirstDayOfTheMonth: (date: Date, weekStart: WeekStart) => Date; export declare const getWeekDays: (lang?: string, weekStart?: WeekStart) => string[]; export declare const addDays: (date: Date, amount: number) => Date; export declare const addMonths: (date: Date, amount: number) => Date; export declare const addYears: (date: Date, amount: number) => Date; export declare const getFormattedDate: (language: string, date: Date, options?: Intl.DateTimeFormatOptions) => string; export declare const startOfYearPeriod: (date: Date, years: number) => number; export declare const isDateInDecade: (date: Date, startYear: number) => boolean; export declare const isDateRangeInDecade: (startDate: Date, endDate: Date, decadeStart: number, decadeEnd: number) => boolean; //# sourceMappingURL=helpers.d.ts.map