import { FpI18nKey, FpI18nMessages, FpLang } from './interface';
export declare const addI18nMessages: (messages: FpI18nMessages, options?: {
    overwrite?: boolean;
}) => void;
export declare const useLocale: (locale: string) => void;
export declare const getLocale: () => string;
export declare const useI18n: () => {
    i18nMessage: import('vue').ComputedRef<FpLang>;
    locale: import('vue').ComputedRef<string>;
    t: (key: FpI18nKey, ...args: any[]) => string;
};