import type { ArcoI18nMessages, ArcoLang } from './interface'; export declare const addI18nMessages: (messages: ArcoI18nMessages, options?: { overwrite?: boolean | undefined; } | undefined) => void; export declare const useLocale: (locale: string) => void; export declare const getLocale: () => string; export declare const useI18n: () => { i18nMessage: import("vue").ComputedRef; locale: import("vue").ComputedRef; t: (key: string, ...args: any[]) => string; };