export type LogLevel = 'debug' | 'info' | 'warn' | 'error';
/**
 * Handles application logging with console and file output
 * Supports multiple severity levels and automatic log directory creation
 */
export declare class Logger {
    private logFile;
    private debugEnabled;
    /**
     * Creates a new logger instance
     * @param logFile Path to the log file where messages will be stored
     */
    constructor(logFile: string);
    /**
     * Enables or disables debug-level logging
     * @param enabled Whether debug messages should be logged
     */
    setDebugMode(enabled: boolean): void;
    /**
     * Checks if debug mode is currently enabled
     * @returns True if debug logging is enabled
     */
    isDebugEnabled(): boolean;
    /**
     * Logs a message with the specified severity level
     * Writes to both console and log file
     * @param message Message text to log
     * @param level Severity level of the message
     */
    log(message: string, level?: LogLevel): void;
    /**
     * Logs a debug-level message
     * Only logged if debug mode is enabled
     * @param message Debug message to log
     */
    debug(message: string): void;
    /**
     * Logs an informational message
     * @param message Info message to log
     */
    info(message: string): void;
    /**
     * Logs a warning message
     * @param message Warning message to log
     */
    warn(message: string): void;
    /**
     * Logs an error message
     * @param message Error message to log
     */
    error(message: string): void;
}