/**
 * 结构化日志系统
 * 使用 Pino 提供高性能的结构化日志
 */
import pino from 'pino';
/**
 * 日志级别
 */
export type LogLevel = 'trace' | 'debug' | 'info' | 'warn' | 'error' | 'fatal';
/**
 * 全局日志记录器实例
 */
export declare const logger: pino.Logger<never, boolean>;
/**
 * 创建子日志记录器
 */
export declare function createChildLogger(bindings: Record<string, any>): pino.Logger<never, boolean>;
/**
 * 日志辅助函数
 */
export declare const log: {
    /**
     * 记录玩家操作
     */
    playerAction(playerId: number, playerName: string, action: string, details?: any): void;
    /**
     * 记录战斗事件
     */
    combat(attackerId: number, targetId: number, damage: number, details?: any): void;
    /**
     * 记录物品操作
     */
    item(playerId: number, action: "add" | "remove" | "equip" | "unequip", itemId: string, quantity?: number): void;
    /**
     * 记录任务事件
     */
    quest(playerId: number, questId: string, action: "accept" | "progress" | "complete" | "fail", details?: any): void;
    /**
     * 记录制作事件
     */
    crafting(playerId: number, recipeId: string, success: boolean, details?: any): void;
    /**
     * 记录等级提升
     */
    levelUp(playerId: number, playerName: string, newLevel: number): void;
    /**
     * 记录成就解锁
     */
    achievement(playerId: number, playerName: string, achievementId: string, achievementName: string): void;
    /**
     * 记录数据库操作
     */
    database(operation: string, table: string, duration?: number, error?: any): void;
    /**
     * 记录缓存操作
     */
    cache(operation: "hit" | "miss" | "set" | "delete", cacheType: string, key: string | number): void;
    /**
     * 记录性能指标
     */
    performance(operation: string, duration: number, metadata?: any): void;
    /**
     * 记录错误
     */
    error(error: Error, context?: any): void;
    /**
     * 记录警告
     */
    warn(message: string, context?: any): void;
    /**
     * 记录调试信息
     */
    debug(message: string, context?: any): void;
};
/**
 * 性能计时器
 */
export declare class PerformanceTimer {
    private startTime;
    private operation;
    constructor(operation: string);
    /**
     * 结束计时并记录
     */
    end(metadata?: any): number;
    /**
     * 获取当前耗时
     */
    getDuration(): number;
}
/**
 * 创建性能计时器
 */
export declare function startTimer(operation: string): PerformanceTimer;
/**
 * 装饰器:自动记录函数执行时间
 */
export declare function logPerformance(target: any, propertyKey: string, descriptor: PropertyDescriptor): PropertyDescriptor;
/**
 * 导出默认日志记录器
 */
export default logger;
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