import { type RefObject, type FocusEvent as ReactFocusEvent, type MouseEvent as ReactMouseEvent } from 'react';
import { type DateTimeInputRef } from '../../date-time-range-picker/types.js';
export declare const focusDateTimeInput: (event: ReactFocusEvent | ReactMouseEvent | null, refFrom: RefObject<DateTimeInputRef | null>, refTo?: RefObject<DateTimeInputRef | null>) => void;
/**
 * Attempts to move the focus to the "hour" spin button of the "from" input.
 * The hour spin button is only foucsable if the value is an absolute timeframe (ISO 8601)
 * and not an expression. If focus is not possible, falls back to {@link focusDateTimeInput}.
 * @param dateTimeFromRef - the ref of the "from" DateTimeInput component
 * @internal
 */
export declare const focusTimeInput: (dateTimeFromRef: RefObject<DateTimeInputRef | null>) => void;