import { Logger } from 'pino';
import { Config } from './config.js';
export interface LLMRequestLog {
    timestamp: string;
    operationId: string;
    operationType: 'main' | 'preprocessing' | 'analysis';
    model: string;
    systemPrompt: string;
    userPrompt: string;
    maxTokens: number;
    temperature: number;
    inputDataLength?: number;
    inputDataType?: string;
    instruction?: string;
    preprocessRequest?: string;
    startTime: number;
}
export interface LLMResponseLog {
    timestamp: string;
    operationId: string;
    operationType: 'main' | 'preprocessing' | 'analysis';
    model: string;
    content: string;
    tokensUsed?: {
        prompt: number;
        completion: number;
        total: number;
    };
    duration: number;
    success: boolean;
    error?: string;
}
export interface LLMPerformanceMetrics {
    totalOperations: number;
    totalTokensUsed: number;
    totalCost: number;
    averageResponseTime: number;
    preprocessingStats: {
        count: number;
        avgReduction: number;
        avgTime: number;
    };
    modelStats: Record<string, {
        count: number;
        avgTokens: number;
        avgTime: number;
        totalCost: number;
    }>;
}
export declare class LLMLogger {
    private logger;
    private config;
    private operationCounter;
    private metrics;
    constructor(logger: Logger, config: Config);
    /**
     * Creates a new operation ID for tracking
     */
    private createOperationId;
    /**
     * Logs an LLM request with detailed information
     */
    logRequest(operationType: 'main' | 'preprocessing' | 'analysis', model: string, systemPrompt: string, userPrompt: string, maxTokens: number, temperature: number, additionalData?: {
        inputDataLength?: number;
        inputDataType?: string;
        instruction?: string;
        preprocessRequest?: string;
    }): string;
    /**
     * Logs an LLM response with performance metrics
     */
    logResponse(operationId: string, operationType: 'main' | 'preprocessing' | 'analysis', model: string, content: string, tokensUsed: {
        prompt: number;
        completion: number;
        total: number;
    } | undefined, startTime: number, success?: boolean, error?: string): void;
    /**
     * Logs preprocessing analysis and results
     */
    logPreprocessingAnalysis(inputData: string, instruction: string, analysisResponse: string, preprocessRequest: string, originalLength: number, processedLength: number, analysisDuration: number, preprocessingDuration: number): void;
    /**
     * Logs detailed preprocessing comparison
     */
    logPreprocessingComparison(operationId: string, originalInput: string, processedInput: string, preprocessRequest: string, originalTokens: number, processedTokens: number, costSaved: number): void;
    /**
     * Updates internal performance metrics
     */
    private updateMetrics;
    /**
     * Estimates cost based on model and token usage
     */
    private estimateCost;
    /**
     * Logs current performance metrics
     */
    private logPerformanceMetrics;
    /**
     * Logs final performance summary
     */
    logPerformanceSummary(): void;
    /**
     * Truncates text to specified length for logging
     */
    private truncateText;
    /**
     * Gets current metrics for external access
     */
    getMetrics(): LLMPerformanceMetrics;
    /**
     * Resets metrics (useful for testing or periodic resets)
     */
    resetMetrics(): void;
}
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