export declare const convertToLocalDate: (d: Date, locale: string, options?: {}) => string; export declare const convertToLocalTime: (d: Date, locale: string, options?: {}) => string; export declare const createGroupsInArray: (arr: any[], numberOfGroups: number) => any[][]; export declare const getCurrentYear: () => number; export declare const getCurrentMonth: () => number; export declare const getLocalDateFromString: (string: string, locale: string, time?: boolean) => Date | undefined; export declare const getMonthName: (month: number, locale: string) => string; export declare const getMonthsNames: (locale: string) => any[]; export declare const getYears: (year: number, variation?: number) => any[]; export declare const getMonthDetails: (year: number, month: number, firstDayOfWeek: number) => { date: Date; month: string; }[][]; export declare const isDateDisabled: (date: Date | null, min?: Date | null, max?: Date | null, dates?: (Date | Date[])[]) => any; export declare const isDateInRange: (date: Date | null, start: Date | null, end: Date | null) => boolean | null; export declare const isDateSelected: (date: Date | null, start: Date | null, end: Date | null) => boolean | null; export declare const isEndDate: (date: Date | null, start: Date | null, end: Date | null) => boolean | null; export declare const isLastDayOfMonth: (date: Date) => boolean; export declare const isSameDateAs: (date: Date, date2: Date) => boolean; export declare const isStartDate: (date: Date | null, start: Date | null, end: Date | null) => boolean | null; export declare const isToday: (date: Date) => boolean; export declare const isThisMonth: (date: Date, index: number) => boolean; export declare const isThisYear: (year: number) => boolean; export declare const isValidDate: (date: number | string | Date) => boolean; export declare const tryDate: (value: string | number | Date, propName?: string) => any; export declare const isDateInRangeDisabled: (startDate?: Date | null, endDate?: Date | null, dates?: (Date | Date[])[]) => boolean; export declare const getDateFormatString: (locale?: string) => string; export declare const validFormat: (value: string, locale: string) => boolean;