/**
 * Translation Registry System
 *
 * Manages dynamic loading of translations from entities, plugins, and themes.
 * Integrates with next-intl and entity system for seamless i18n.
 */
import type { SupportedLocale } from '../entities/types';
/**
 * Deep merge with key preservation
 * Priority: Core < Theme < Entity (later wins)
 */
export declare function deepMergeMessages(target: Record<string, unknown>, source: Record<string, unknown>): Record<string, unknown>;
/**
 * Register theme messages for a locale
 * Call this from your project's initialization to provide theme-specific translations
 *
 * @example
 * // In your app's initialization
 * import { registerThemeMessages } from '@nextsparkjs/core/lib/translations/registry'
 * import enMessages from './contents/themes/my-theme/messages/en'
 * registerThemeMessages('en', enMessages)
 */
export declare function registerThemeMessages(locale: string, messages: Record<string, unknown>): void;
/**
 * Carga y mergea mensajes de todas las fuentes
 * Orden: Core (base) -> Theme -> Entity (later wins)
 *
 * Merge priority ensures:
 * 1. Core translations provide the base
 * 2. Theme translations can override/extend core
 * 3. Entity translations can override/extend both (highest priority)
 *
 * Uses globalThis cache to prevent re-loading on each request
 */
export declare function loadMergedTranslations(locale: SupportedLocale): Promise<Record<string, unknown>>;
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