/**
 * 日志工具 - 将所有日志重定向到stderr，避免干扰MCP通信
 */
/**
 * 日志级别
 */
export declare enum LogLevel {
    DEBUG = "debug",
    INFO = "info",
    WARN = "warn",
    ERROR = "error"
}
/**
 * 将日志输出到stderr，避免干扰MCP通信
 * @param level 日志级别
 * @param message 日志消息
 * @param data 额外数据
 */
export declare function log(level: LogLevel, message: string, data?: any): void;
export declare const logger: {
    debug: (message: string, data?: any) => void;
    info: (message: string, data?: any) => void;
    warn: (message: string, data?: any) => void;
    error: (message: string, data?: any) => void;
};
export default logger;