import { App } from 'vue';
export interface Lang {
    code?: string;
    name?: string;
    displayName?: string;
    nativeName?: string;
    revision?: number;
    rtl: boolean;
}
declare class I18n {
    private langCode;
    private ignoreCase;
    constructor(langCode: string, ignoreCase?: boolean);
    loadScript(src: string): HTMLScriptElement;
    unloadScript(): boolean;
    swtichLang(langCode: string): void;
    t(key: string): string;
    t2(key1: string, key2: string): string;
    info(): Lang | undefined;
}
export declare function createI18n(langCode: string, ignoreCase: boolean): I18n;
export declare function I18nPlugin(app: App, langCode: string, ignoreCase?: boolean): void;
export declare function useI18n(): {
    i18n: I18n;
    t: (key: string) => string;
    switchLang: (langCode: string) => void;
    lang: () => Lang | undefined;
};
export {};