/**
 * 健康状态枚举
 */
export declare enum HealthStatus {
    HEALTHY = "healthy",
    DEGRADED = "degraded",
    UNHEALTHY = "unhealthy"
}
/**
 * 组件健康检查结果
 */
export interface ComponentHealth {
    status: HealthStatus;
    message?: string;
    latency?: number;
    details?: any;
}
/**
 * 完整健康检查结果
 */
export interface HealthCheckResult {
    status: HealthStatus;
    timestamp: string;
    uptime: number;
    checks: {
        database: ComponentHealth;
        memory: ComponentHealth;
        cache: ComponentHealth;
    };
}
/**
 * 执行完整健康检查
 */
export declare function performHealthCheck(): Promise<HealthCheckResult>;
/**
 * 获取系统指标
 */
export declare function getSystemMetrics(): {
    process: {
        pid: number;
        uptime: number;
        version: string;
        platform: NodeJS.Platform;
        arch: NodeJS.Architecture;
    };
    memory: {
        heapUsed: number;
        heapTotal: number;
        rss: number;
        external: number;
        arrayBuffers: number;
    };
    cpu: {
        user: number;
        system: number;
    };
    database: {
        totalCount: number;
        idleCount: number;
        waitingCount: number;
    };
    cache: {
        total: number;
        hitRate: string;
        size: {
            player: number;
            inventory: number;
            equipment: number;
            quest: number;
            npc: number;
            skill: number;
        };
        hits: number;
        misses: number;
        sets: number;
        deletes: number;
    };
};
/**
 * 监控类 - 定期执行健康检查
 */
export declare class HealthMonitor {
    private interval;
    private checkIntervalMs;
    private lastCheck;
    constructor(checkIntervalMs?: number);
    /**
     * 启动监控
     */
    start(): void;
    /**
     * 停止监控
     */
    stop(): void;
    /**
     * 执行检查
     */
    private performCheck;
    /**
     * 获取最后一次检查结果
     */
    getLastCheck(): HealthCheckResult | null;
}
/**
 * 全局健康监控实例
 */
export declare const healthMonitor: HealthMonitor;
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