import * as React from 'react';
import { DateWithToDateMethod, DateTimeInputProps, DateTimeInputState, NormalizeValueArgs, TimeLimits } from './types';
export declare const extractFromFormat: (format: string, pattern: string, string: string) => number | null;
export declare const stringToDate: (string: string | undefined, format: string | undefined) => Date | null;
export declare const formatDateTime: (date: Date | null, format?: string) => string;
export declare const getMonthNameOfDate: (month: number) => string;
export declare const formatDate: (date: Date) => string;
export declare const createMask: (format: string, type: "date-only" | "date-time" | "time-only") => string;
export declare const getInputWrapperClassNames: (theme: {
    calendar: {
        buttonDisabled: string;
        dateCell: string;
        dateCellActive: string;
        dateCellDayOff: string;
        dateCellDifferentMonth: string;
        dateCellDisabled: string;
        dateCellMarked: string;
        dateCellSelected: string;
        dateCellToday: string;
        dateRow: string;
        dateView: string;
        footer: string;
        header: string;
        monthCell: string;
        monthCellActive: string;
        monthCellDisabled: string;
        monthRow: string;
        monthView: string;
        nextButton: string;
        nextIcon: string;
        prevButton: string;
        prevIcon: string;
        title: string;
        titleDisabled: string;
        weekDaysRow: string;
        wrapper: string;
        wrapperRight: string;
        wrapperTop: string;
        wrapperVisible: string;
        yearCell: string;
        yearCellActive: string;
        yearCellDifferentDecade: string;
        yearCellDisabled: string;
        yearRow: string;
        yearView: string;
    };
    calendarIcon: string;
    iconsWrapper: string;
    input: string;
    inputWrapper: string;
    inputWrapperFocused: string;
    inputWrapperInvalid: string;
    inputWrapperRequired: string;
    wrapper: string;
    wrapperDisabled: string;
}, props: DateTimeInputProps, state: DateTimeInputState, isValid: boolean) => string | undefined;
export declare const normilizeNumber: (value: number, rules: TimeLimits) => number;
export declare const normalizeTimeLimits: (timeLimits: TimeLimits | undefined) => TimeLimits | undefined;
export declare const convertToDate: (dateValue?: DateWithToDateMethod | undefined) => DateWithToDateMethod | undefined;
export declare const checkIsDateFormatIncorrect: (val?: DateWithToDateMethod | undefined) => boolean;
export declare const updateInputSelection: (maskedInputRef: React.MutableRefObject<HTMLInputElement | null>, format: string) => void;
export declare const normalizeValue: ({ value, format, min, max, }: NormalizeValueArgs) => string;
export declare const getValue: ({ valueProp, valueState, dateState, format, }: {
    dateState: Date | null;
    format?: string | undefined;
    valueProp?: string | Date | null | undefined;
    valueState: string;
}) => string;
/**
 * Helper checks if hours, minutes or seconds exceed limits
 * @param {string} mask - Mask for time input
 * @param {string} maskedValue - Actual masked value
 *
 * @returns {boolean} Are hours, minutes, or seconds over limit?
 */
export declare const isTimeWithinLimits: (mask: string, maskedValue: string) => boolean;