import { type RefObject, FormEventHandler as ReactFormEventHandler, FocusEventHandler, ClipboardEventHandler, KeyboardEventHandler as ReactKeyboardEventHandler } from 'react';
import type { TimeValue } from '../../../core/types/time.js';
import type { SpinButtonHandler } from '../../spin-buttons/spin-button-group/types.js';
import type { DateTimeInputProps } from '../types.js';
export declare const useDateTimeInput: (props: DateTimeInputProps, expressionInputRef: RefObject<HTMLSpanElement | null>) => {
    empty: boolean;
    spinButtons: (string | import("react/jsx-runtime.js").JSX.Element | null)[];
    spinButtonHandlers: Map<keyof Intl.DateTimeFormatPartTypesRegistry, SpinButtonHandler | null>;
    value: TimeValue | null;
    valueType: "expression" | "iso8601";
    inputValue: string;
    expressionInputHandler: ReactFormEventHandler<HTMLSpanElement>;
    expressionOnFocusHandler: FocusEventHandler<HTMLSpanElement>;
    expressionOnBlurHandler: FocusEventHandler<HTMLSpanElement>;
    expressionOnKeyDownHandler: ReactKeyboardEventHandler<HTMLSpanElement>;
    onCopyCapture: ClipboardEventHandler<HTMLSpanElement>;
    onPaste: ClipboardEventHandler<HTMLSpanElement>;
    focus: () => void;
    validateTimeValue: (value?: TimeValue | null, expressionValue?: string) => void;
};