export declare enum LogLevel {
    ERROR = 0,
    WARN = 1,
    INFO = 2,
    DEBUG = 3,
    TRACE = 4
}
export interface LogEntry {
    timestamp: string;
    level: LogLevel;
    message: string;
    context?: Record<string, any>;
    error?: {
        message: string;
        stack?: string;
        code?: string;
    };
    duration?: number;
    metadata?: Record<string, any>;
}
export declare class Logger {
    private logLevel;
    private logToFile;
    private logFilePath;
    private startTimes;
    constructor(logLevel?: LogLevel, logToFile?: boolean, logDir?: string);
    setLogLevel(level: LogLevel): void;
    getLogLevel(): LogLevel;
    setLogToFile(enabled: boolean, logDir?: string): void;
    private shouldLog;
    private formatMessage;
    private writeToFile;
    error(message: string, context?: Record<string, any>, error?: Error): void;
    warn(message: string, context?: Record<string, any>): void;
    info(message: string, context?: Record<string, any>): void;
    debug(message: string, context?: Record<string, any>): void;
    trace(message: string, context?: Record<string, any>): void;
    startTimer(operation: string): void;
    endTimer(operation: string, context?: Record<string, any>): void;
    logRequest(method: string, url: string, headers?: Record<string, string>, data?: any): void;
    logResponse(method: string, url: string, status: number, headers?: Record<string, string>, dataSize?: number): void;
    logRetry(operation: string, attempt: number, maxAttempts: number, error: Error): void;
    logFileOperation(operation: 'read' | 'write' | 'create' | 'delete', filePath: string, success: boolean, error?: Error): void;
    private sanitizeHeaders;
    logProgress(operation: string, current: number, total: number, context?: Record<string, any>): void;
    logBatchStart(operation: string, batchSize: number, totalItems: number): void;
    logBatchComplete(operation: string, batchIndex: number, totalBatches: number, successCount: number, failureCount: number): void;
    logPerformance(operation: string, metrics: Record<string, number>, context?: Record<string, any>): void;
    getLogFilePath(): string | null;
    cleanupOldLogs(keepDays?: number): void;
}
export declare const logger: Logger;
export declare const log: {
    error: (message: string, context?: Record<string, any>, error?: Error) => void;
    warn: (message: string, context?: Record<string, any>) => void;
    info: (message: string, context?: Record<string, any>) => void;
    debug: (message: string, context?: Record<string, any>) => void;
    trace: (message: string, context?: Record<string, any>) => void;
    startTimer: (operation: string) => void;
    endTimer: (operation: string, context?: Record<string, any>) => void;
    logRequest: (method: string, url: string, headers?: Record<string, string>, data?: any) => void;
    logResponse: (method: string, url: string, status: number, headers?: Record<string, string>, dataSize?: number) => void;
    logRetry: (operation: string, attempt: number, maxAttempts: number, error: Error) => void;
    logFileOperation: (operation: "read" | "write" | "create" | "delete", filePath: string, success: boolean, error?: Error) => void;
    logProgress: (operation: string, current: number, total: number, context?: Record<string, any>) => void;
    logBatchStart: (operation: string, batchSize: number, totalItems: number) => void;
    logBatchComplete: (operation: string, batchIndex: number, totalBatches: number, successCount: number, failureCount: number) => void;
    logPerformance: (operation: string, metrics: Record<string, number>, context?: Record<string, any>) => void;
};
//# sourceMappingURL=index.d.ts.map