/**
 * Logger utility for the Agentis framework
 */
export declare enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3
}
/**
 * Logger class with namespacing and log levels
 */
export declare class Logger {
    private namespace;
    /**
     * Creates a new logger instance with a specific namespace
     *
     * @param namespace - The logger namespace (typically component name)
     */
    constructor(namespace: string);
    /**
     * Logs a debug message (only if LOG_LEVEL is set to "debug")
     *
     * @param message - The message to log
     * @param data - Optional data to include
     */
    debug(message: string, data?: any): void;
    /**
     * Logs an info message
     *
     * @param message - The message to log
     * @param data - Optional data to include
     */
    info(message: string, data?: any): void;
    /**
     * Logs a warning message
     *
     * @param message - The message to log
     * @param data - Optional data to include
     */
    warn(message: string, data?: any): void;
    /**
     * Logs an error message
     *
     * @param message - The message to log
     * @param error - Optional error to include
     */
    error(message: string, error?: any): void;
    /**
     * Gets the current timestamp in ISO format
     *
     * @returns Formatted timestamp string
     */
    private getTimestamp;
}