/**
 * Simple logger con niveles y timestamps.
 */
export declare class Logger {
    private context?;
    constructor(context?: string | undefined);
    private timestamp;
    info(message: unknown, ...optional: unknown[]): void;
    warn(message: unknown, ...optional: unknown[]): void;
    error(message: unknown, ...optional: unknown[]): void;
    debug(message: unknown, ...optional: unknown[]): void;
}