export declare const DEFAULT_ITEM_FORMAT: {
    date: string;
    'date-time': string;
    'date-time-without-second': string;
    month: string;
    quarter: string;
};
/**
 * @deprecated export 出去了, 应该没有用到, 但 deprecated 一段时间, 再删除 #220810
 */
export declare const DEFAULT_TITLE_FORMAT: {
    date: string;
    month: string;
    quarter: string;
};