import { type LocaleCode } from './normalize-locale.js';
export type Dict = {
    [key: string]: string | Dict;
};
export declare function loadLocaleDict(locale: LocaleCode): Dict;
/** Clear cache (tests). */
export declare function clearLocaleCache(): void;
/**
 * Translate a dotted key for a locale.
 * Missing key → fallback locale → key itself (honest, visible in dev).
 */
export declare function t(locale: string | null | undefined, key: string, params?: Record<string, string | number | boolean | null | undefined>): string;
/** Deep-merge namespace objects (for building translation bundles). */
export declare function mergeDicts(...dicts: Dict[]): Dict;
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