import { Reducer } from 'react';
export type CalendarAction = {
    type: "SET_SELECTED_DATE";
    newDate: Date;
} | {
    type: "SET_OFFSET";
    newOffset: number;
} | {
    type: "ADD_OFFSET";
    addedOffset: number;
};
export type CalendarState = {
    selectedDate: Date;
    offset: number;
    shownDate: Date;
};
export declare const calendarReducer: Reducer<CalendarState, CalendarAction>;
export declare const calendarInitializer: (initialDate: Date) => CalendarState;