/**
 * Enhanced auto-discovery system based on index.json configuration
 * This is a supplementary mechanism - only works when index.json exists
 */
import type { I18nInstance } from '../core/types.js';
export interface AutoDiscoveryConfig {
    app?: string[];
    packages?: {
        [packageName: string]: string[];
    };
}
export interface AutoDiscoveryOptions {
    translationsPath?: string;
    indexFile?: string;
    namespace?: string;
    onError?: (target: string, locale: string, error: Error) => void;
    onLoaded?: (target: string, locale: string) => void;
}
/**
 * Get the cached auto-discovery configuration
 * This is useful for other modules that need to check what languages are configured
 */
export declare function getCachedAutoDiscoveryConfig(): {
    autoDiscovery?: AutoDiscoveryConfig;
} | null;
/**
 * Load the auto-discovery configuration (with caching)
 */
export declare function loadAutoDiscoveryConfig(translationsPath?: string, indexFile?: string): Promise<{
    autoDiscovery?: AutoDiscoveryConfig;
} | null>;
/**
 * Load translations based on auto-discovery configuration
 * @param i18n The i18n instance to load translations into
 * @param options Configuration options
 */
export declare function autoDiscoverTranslations(i18n: I18nInstance, options?: AutoDiscoveryOptions): Promise<void>;
/**
 * Helper function to check if auto-discovery is available
 */
export declare function isAutoDiscoveryAvailable(translationsPath?: string): Promise<boolean>;