export interface CalendarState {
    startLabel: string | null;
    startDateError: string | null;
    endLabel: string | null;
    endDateError: string | null;
    range: [Date, Date];
    draft: [Date | null, null] | [Date, Date | null];
    hoverDraft: [Date | null, Date | null];
    viewportDate: Date;
    open: boolean;
}
export declare const initialState: CalendarState;
export type DateRange = [Date | undefined] | [Date, Date | undefined];
/**
 * Actions for mutating internal state
 */
interface ChangeStartAction {
    type: 'CHANGE_START';
    payload: {
        label: string;
        minDate: Date;
    };
}
interface ChangeEndAction {
    type: 'CHANGE_END';
    payload: {
        label: string;
        maxDate: Date;
    };
}
interface ChangeViewportAction {
    type: 'CHANGE_VIEWPORT';
    payload: Date;
}
interface SelectDateAction {
    type: 'SELECT_DATE';
    payload: Date;
}
interface SetDateFromPreset {
    type: 'SET_DATE_FROM_PRESET';
    payload: Date[];
}
interface HoverDateAction {
    type: 'HOVER_DATE';
    payload: Date | null;
}
interface OpenAction {
    type: 'OPEN';
}
interface CloseAction {
    type: 'CLOSE';
}
interface SaveAction {
    type: 'SAVE';
}
interface ClearAction {
    type: 'CLEAR';
}
export type Action = ChangeStartAction | ChangeEndAction | ChangeViewportAction | SelectDateAction | SetDateFromPreset | SaveAction | ClearAction | OpenAction | CloseAction | HoverDateAction;
export {};