import { ILogger, LogLevel } from './types';
/**
 * Default console-based logger with level filtering.
 * Users can replace this with any ILogger implementation (pino, winston, etc).
 */
export declare class ConsoleLogger implements ILogger {
    private readonly level;
    private readonly prefix;
    constructor(level?: LogLevel, prefix?: string);
    debug(message: string, ...args: unknown[]): void;
    info(message: string, ...args: unknown[]): void;
    warn(message: string, ...args: unknown[]): void;
    error(message: string, ...args: unknown[]): void;
}