import { Dayjs } from 'dayjs';
export interface UseSingleDateStateOptions {
    value: Dayjs | null;
    defaultDate: Dayjs;
    /** Transforms a clicked date before storing; pass time-of-day defaults for datetime variants. */
    mapDate?: (date: Dayjs) => Dayjs;
    /** Called when a date is selected; used for auto-apply in date-only variants. */
    onDateSelected?: (date: Dayjs) => void;
}
export interface UseSingleDateStateReturn {
    tempDate: Dayjs | null;
    displayedMonth: Dayjs;
    /** Synchronous ref — use inside callbacks to avoid stale closures. */
    stateRef: React.MutableRefObject<{
        tempDate: Dayjs | null;
    }>;
    handleDateClick: (date: Dayjs) => void;
    handleMonthChange: (month: Dayjs) => void;
    /** Returns true when a date was cleared, false when already empty. */
    clearDate: () => boolean;
    resetDate: (value: Dayjs | null) => void;
}
export declare const useSingleDateState: ({ value, defaultDate, mapDate, onDateSelected, }: UseSingleDateStateOptions) => UseSingleDateStateReturn;