/**
 * Development mode logging setup.
 * This file contains development log initialization and management.
 */
import fs from 'fs';
import { LogRotator } from '../log-rotator.js';
import type { RotatorConfig } from '../log-rotator.js';
/**
 * Development logger configuration and setup.
 */
export declare class DevLogger {
    private logFileStream;
    private devLogRotator;
    /**
     * Get the current log file stream.
     */
    get stream(): fs.WriteStream | null;
    /**
     * Get the dev log rotator (for testing only).
     * @internal
     */
    get rotator(): LogRotator | null;
    /**
     * Enables development logging mode with file output and enhanced debugging.
     *
     * This method configures the logger to:
     * - Write all log output to a file in the logs/ directory
     * - Use timestamp-based log file naming (dev-server.YYYYMMDD_HHmmSSZZZ.log)
     * - Automatically clean up old log files (default: 7 days retention)
     *
     * @param rotatorConfig - Optional custom rotation configuration (default: 7 days retention)
     * @param onLogEnabled - Optional callback when log is enabled, receives the log file path
     */
    enableDevLog(rotatorConfig?: RotatorConfig, onLogEnabled?: (logFilePath: string) => void): void;
    /**
     * Close the dev log file stream if open.
     */
    close(): void;
}
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