/**
 * @fileoverview Simple logging service for the application.
 * This provides a centralized place for all logging functionality.
 *
 * Configuration:
 * - LOG_LEVEL: Sets the minimum log level (DEBUG, INFO, WARN, ERROR). Defaults to DEBUG.
 * - LOG_FILE: Path to the log file. If not set, no logs will be written.
 *
 * Note: Since MCP servers use stdout for protocol communication, logs are written
 * to a file instead of stdout/stderr to avoid interference.
 */
/**
 * Log levels for the application
 * @enum {string}
 */
export declare enum LogLevel {
    DEBUG = "DEBUG",
    INFO = "INFO",
    WARN = "WARN",
    ERROR = "ERROR"
}
/**
 * Logger service for consistent logging throughout the application
 */
export declare class Logger {
    private readonly context;
    /**
     * Create a new logger instance, optionally with a context
     * @param context Optional context name to identify the log source
     */
    constructor(context?: string);
    /**
     * Log a debug message
     * @param message The message to log
     * @param data Optional data to include in the log
     */
    debug(message: string, data?: unknown): void;
    /**
     * Log an info message
     * @param message The message to log
     * @param data Optional data to include in the log
     */
    info(message: string, data?: unknown): void;
    /**
     * Log a warning message
     * @param message The message to log
     * @param data Optional data to include in the log
     */
    warn(message: string, data?: unknown): void;
    /**
     * Log an error message with improved error formatting
     * @param message The message to log
     * @param error Optional error to include in the log. The error will be formatted for better readability:
     *        - Error objects will include name, message and stack trace
     *        - Objects will be stringified with proper indentation
     *        - Other values will be converted to strings
     */
    error(message: string, error?: unknown): void;
}
/**
 * Default logger instance for the application
 * Pre-configured with the 'SonarQubeMCP' context for quick imports
 * @const {Logger}
 */
export declare const defaultLogger: Logger;
/**
 * Helper function to create a logger with a specific context
 * @param context The context to use for the logger
 * @returns A new logger instance with the specified context
 */
export declare function createLogger(context: string): Logger;
/**
 * Default export for simpler imports
 */
export default defaultLogger;