import { ContextCuratorConfig } from '../types/context-curator.js';
export interface ContextCuratorLLMConfig {
    llm_mapping: Record<string, string>;
}
export interface ContextCuratorEnvConfig {
    maxContentLength?: number;
    optimizationThreshold?: number;
    preserveComments?: boolean;
    preserveTypes?: boolean;
    keywordWeight?: number;
    semanticWeight?: number;
    structuralWeight?: number;
    minRelevanceThreshold?: number;
    includeMetaPrompt?: boolean;
    includeFileContent?: boolean;
    maxTokensPerFile?: number;
    xmlValidation?: boolean;
    maxRetries?: number;
    timeoutMs?: number;
    fallbackModel?: string;
}
export interface ConfigLoadResult {
    success: boolean;
    config?: ContextCuratorConfig;
    error?: string;
    source: 'environment' | 'file' | 'defaults' | 'mixed';
    warnings: string[];
}
export declare class ContextCuratorConfigLoader {
    private static instance;
    private config;
    private llmConfig;
    private configLoaded;
    private lastLoadTime;
    private readonly cacheTTL;
    private readonly llmConfigPath;
    private readonly contextCuratorConfigPath;
    private constructor();
    static getInstance(): ContextCuratorConfigLoader;
    loadConfig(): Promise<ConfigLoadResult>;
    getConfig(): ContextCuratorConfig | null;
    getLLMModel(operation: string): string;
    private getEnvironmentFallbackModel;
    reloadConfig(): Promise<ConfigLoadResult>;
    validateConfiguration(): {
        valid: boolean;
        errors: string[];
    };
    getConfigSummary(): Record<string, unknown>;
    private loadLLMConfig;
    private loadEnvironmentConfig;
    private loadFileConfig;
    private mergeConfigurations;
    private determineConfigSource;
}
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