import { type Snippet } from 'svelte';
import type { Locale } from '../i18n/types.js';
interface I18nProviderProps {
    /**
     * Active locale. The single request-scoped i18n value — provide it from
     * server-resolved state (cookie/Accept-Language via `resolveLocale`) so SSR
     * and hydration agree. May be a reactive (controlled) value; prop changes are
     * synced into the internal state.
     * @default 'en'
     */
    locale?: Locale;
    /**
     * Locale used when a key is missing in the active locale.
     * @default 'en'
     */
    fallbackLocale?: Locale;
    /**
     * Fired when the *effective* locale changes — both via `setLocale()`
     * (LocaleSwitcher, programmatic) and via a `locale`-prop change. The place to
     * persist the choice (e.g. write the locale cookie that `resolveLocale` reads
     * on the next request).
     */
    onLocaleChange?: (locale: Locale) => void;
    children: Snippet;
}
declare const I18nProvider: import("svelte").Component<I18nProviderProps, {}, "">;
type I18nProvider = ReturnType<typeof I18nProvider>;
export default I18nProvider;