/**
 * AI Provider Configuration Loader
 *
 * Loads configuration from local sources with caching.
 */
import type { AIProviderConfig } from './types.js';
export declare class ConfigLoader {
    private cache;
    private cacheTimestamp;
    private userId;
    constructor(userId: string);
    /**
     * Get configuration with caching.
     */
    getConfig(): Promise<AIProviderConfig>;
    /**
     * Update configuration.
     */
    updateConfig(updates: Partial<AIProviderConfig>): Promise<AIProviderConfig>;
    /**
     * Get default configuration.
     */
    getDefaults(): AIProviderConfig;
    /**
     * Invalidate cache.
     */
    invalidateCache(): void;
    /**
     * Set cache directly (useful for testing or initialization).
     */
    setCache(config: AIProviderConfig): void;
    /**
     * Get user ID.
     */
    getUserId(): string;
}
/**
 * Get or create a config loader for a user.
 */
export declare function getConfigLoader(userId: string): ConfigLoader;
/**
 * Create a new config loader.
 */
export declare function createConfigLoader(userId: string): ConfigLoader;
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