/**
 * Copyright 2024, SumUp Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { Temporal } from 'temporal-polyfill';
import type { Locale } from '../../util/i18n.js';
import { type DaysInWeek, type FirstDayOfWeek, type PlainDateRange } from '../../util/date.js';
type CalendarState = {
    today: Temporal.PlainDate;
    months: Temporal.PlainYearMonth[];
    focusedDate: Temporal.PlainDate;
    hoveredDate: Temporal.PlainDate | null;
};
export declare enum CalendarActionType {
    PREV_MONTH = 0,
    NEXT_MONTH = 1,
    NUMBER_OF_MONTHS = 2,
    FOCUS_DATE = 3,
    MOUSE_ENTER_DATE = 4,
    MOUSE_LEAVE_DATE = 5
}
type CalendarAction = {
    type: CalendarActionType.PREV_MONTH;
} | {
    type: CalendarActionType.NEXT_MONTH;
} | {
    type: CalendarActionType.NUMBER_OF_MONTHS;
    numberOfMonths: number;
} | {
    type: CalendarActionType.FOCUS_DATE;
    date: Temporal.PlainDate;
} | {
    type: CalendarActionType.MOUSE_ENTER_DATE;
    date: Temporal.PlainDate;
} | {
    type: CalendarActionType.MOUSE_LEAVE_DATE;
};
export declare function initCalendar({ selection, minDate, maxDate, numberOfMonths, }: {
    selection?: Temporal.PlainDate | PlainDateRange | null;
    minDate?: Temporal.PlainDate | null;
    maxDate?: Temporal.PlainDate | null;
    numberOfMonths: number;
}): CalendarState;
export declare function calendarReducer(state: CalendarState, action: CalendarAction): CalendarState;
export declare function getMonths(focusedDate: Temporal.PlainDate, prevMonths: Temporal.PlainYearMonth[]): Temporal.PlainYearMonth[];
type Weekday = {
    narrow: string;
    long: string;
};
type Weekdays = [Weekday, Weekday, Weekday, Weekday, Weekday, Weekday, Weekday];
export declare function getWeekdays(firstDayOfWeek?: FirstDayOfWeek, daysInWeek?: DaysInWeek, locale?: Locale): Weekdays;
export declare function getMonthHeadline(yearMonth: Temporal.PlainYearMonth, locale?: Locale): string;
export declare function getDatesInRange(startDate: Temporal.PlainDate, endDate: Temporal.PlainDate): Temporal.PlainDate[];
export declare function getViewOfMonth(yearMonth: Temporal.PlainYearMonth, firstDayOfWeek?: FirstDayOfWeek, daysInWeek?: DaysInWeek): Temporal.PlainDate[][];
export declare function isDateActive(date: Temporal.PlainDate, selection?: Temporal.PlainDate | PlainDateRange): boolean;
export declare function getSelectionType(date: Temporal.PlainDate, hoveredDate: Temporal.PlainDate | null, selection?: Temporal.PlainDate | PlainDateRange): 'selected' | 'range-start' | 'range-middle' | 'range-end' | null;
export declare function isDateInMonthRange(date: Temporal.PlainDate, minDate?: Temporal.PlainDate | null, maxDate?: Temporal.PlainDate | null): boolean;
export {};