import type { DebugConfig } from '../types';
/**
 * Logger utility for debug mode
 */
export declare class Logger {
    private enabled;
    private logLevel;
    private prefix;
    private static readonly LOG_LEVELS;
    constructor(config?: DebugConfig);
    private shouldLog;
    private formatMessage;
    error(message: string, ...args: any[]): void;
    warn(message: string, ...args: any[]): void;
    info(message: string, ...args: any[]): void;
    debug(message: string, ...args: any[]): void;
    verbose(message: string, ...args: any[]): void;
    time(label: string): void;
    timeEnd(label: string): void;
    group(label: string): void;
    groupEnd(): void;
}