import type { ComputedRef } from 'vue';
import type { DateInfo, DateOptions } from '../../shared';
export declare type AuthorRef = ComputedRef<string[]>;
export declare const useAuthor: (fallback?: string | string[] | undefined) => AuthorRef;
export declare type CategoryRef = ComputedRef<string[]>;
export declare const useCategory: () => CategoryRef;
export declare type TagRef = ComputedRef<string[]>;
export declare const useTag: () => TagRef;
export declare type DateRef = ComputedRef<DateInfo | null>;
export declare const useDate: (options?: DateOptions | undefined, fallback?: Date | undefined) => DateRef;