import type { PageData } from '@vuepress/shared'; import type { ComputedRef, InjectionKey } from 'vue'; /** * Page language */ export declare type PageLang = string; /** * Ref wrapper of `PageLang` */ export declare type PageLangRef = ComputedRef; /** * Injection key for page language */ export declare const pageLangSymbol: InjectionKey; /** * Returns the ref of the language of current page */ export declare const usePageLang: () => PageLangRef; /** * Resolve page language from page data * * It would be used as the `lang` attribute of `` tag */ export declare const resolvePageLang: (pageData: PageData) => PageLang;