export declare function roundTemporal({ year, month, day, hour, minute, second, millisecond }: {
    year?: number | undefined;
    month?: number | undefined;
    day?: number | undefined;
    hour?: number | undefined;
    minute?: number | undefined;
    second?: number | undefined;
    millisecond?: number | undefined;
}, options: {
    smallestUnit: 'day' | 'hour' | 'minute' | 'second' | 'millisecond';
    roundingIncrement: number;
    roundingMode: 'halfExpand' | 'ceil' | 'trunc' | 'floor';
}): {
    year: number;
    month: number;
    day: number;
    hour: number;
    minute: number;
    second: number;
    millisecond: number;
};