import type { Dispatch, RefObject } from 'react';
import type { DateTimeInputRef } from '../../../../forms/date-time-range-picker/types.js';
import type { FormFieldMessagesReducerAction } from '../../../../forms/forms-core/state/formfield-messages-state-reducer.js';
import { type Timeframe } from '../../../types/time.js';
import type { ValidateOptions } from '../../validation.js';
import type { DateTimeRangePickerTimeframeStates } from '../dateTimeRangePicker.types.js';
/**
 * Closes Calendar overlay and, after two animation frames, refocuses the from-input.
 * The double rAF ensures the overlay has fully unmounted before focus is moved.
 * @internal
 */
export declare function closeCalendarAndFocusInput(pickerRef: RefObject<{
    close(): void;
    focus?: () => void;
} | null> | undefined, dateTimeFromRef: RefObject<DateTimeInputRef | null> | undefined): void;
/**
 * Pure reducer for the `clearCalendarValue` action, shared between
 * DateTimeRangePicker and TimeframeSelector.
 * @internal
 */
export declare function handleClearCalendarValue(state: Pick<DateTimeRangePickerTimeframeStates, 'calendarValue' | 'dateTimeRangePickerTimeframe' | 'nowInserted'>): Partial<Pick<DateTimeRangePickerTimeframeStates, 'calendarValue' | 'dateTimeRangePickerTimeframe' | 'nowInserted'>>;
/**
 * Options for {@link applySetToNow}.
 * @internal
 */
export type SetToNowOptions = {
    /** Which boundary to set to `now`. Defaults to `to`. */
    target?: 'from' | 'to';
    /** Called with the committed timeframe when a full range is built. */
    onChangeProp?: (value: Timeframe | null) => void;
    formFieldMessagesDispatch?: Dispatch<FormFieldMessagesReducerAction>;
    /** Controls validation messaging and whether to swap an inverted boundary. */
    validateMode: 'dateTimePicker' | 'timeframeSelector';
    errorMessages?: ValidateOptions['errorMessages'];
    /** When true the component is controlled: skip internal state update after firing `onChangeProp`. */
    isControlled?: boolean;
};
/**
 * Returns the store state patch for the "set a boundary to now" action, shared by
 * DateTimeRangePicker and TimeframeSelector. Callers may spread in additional
 * component-specific fields on top of the returned patch.
 * @internal
 */
export declare function applySetToNow(state: DateTimeRangePickerTimeframeStates, options: SetToNowOptions): Partial<DateTimeRangePickerTimeframeStates>;