export type I18nTemplate<T extends any[]> = (...args: T) => string;
export type I18nMessage<T extends string> = {
    [N in T]: I18nTemplate<any[]>;
};
export interface I18nMessages {
    [lang: string]: Record<string, I18nTemplate<any[]>>;
}
export type I18nPath<Messages extends Record<string, I18nMessages>, Lang extends Extract<keyof Messages[keyof Messages], string>, N extends keyof Messages = keyof Messages> = N extends infer N extends string ? `${N}.${Extract<keyof Messages[N][Lang], string>}` : never;
export type I18nTemplateFn<Path extends string, Lang extends string, Messages extends Record<string, I18nMessages>> = Path extends `${infer N}.${infer K}` ? Messages[N][Lang][K] : never;
export type I18nLangs<Messages extends Record<string, I18nMessages>> = Extract<keyof Messages[keyof Messages], string>;
export declare class I18n<DefaultLang extends I18nLangs<Messages>, Messages extends Record<string, I18nMessages>> {
    private defaultLang;
    private messages;
    constructor(defaultLang: DefaultLang, messages: Messages);
    localize<T, F extends I18nLocalizer<T, Messages>>(localizer: F, value: T): string;
    get<P extends I18nPath<Messages, DefaultLang>>(path: P, args: Parameters<I18nTemplateFn<P, DefaultLang, Messages>>): string;
    get<P extends I18nPath<Messages, L>, L extends I18nLangs<Messages>>(path: P, args: Parameters<I18nTemplateFn<P, L, Messages>>, lang: L): string;
}
export type I18nLocalizer<T, M extends Record<string, I18nMessages>> = (value: T) => I18nLocalizerResult<M>;
export type I18nLocalizerResult<M extends Record<string, I18nMessages>> = _I18nLocalizerResult<M, I18nPath<M, I18nLangs<M>>>;
type _I18nLocalizerResult<M extends Record<string, I18nMessages>, P extends I18nPath<M, I18nLangs<M>>> = P extends infer P extends string ? [path: P, args: Parameters<I18nTemplateFn<P, I18nLangs<M>, M>>] : never;
export {};