export declare const option: {
    day: string;
    hour: string;
    minute: string;
    second: string;
    millisecond: string;
    concat: string;
};
export declare type Format = {
    day?: string;
    hour?: string;
    minute?: string;
    second?: string;
    millisecond?: string;
    concat?: string;
};
declare const _default: (ms: Date | number, format?: Format) => string;
export default _default;