/**
 * 高级性能监控和优化
 */
export interface PerformanceMetrics {
    translationTime: number;
    cacheHitRate: number;
    networkLatency: number;
    bundleSize: number;
    memoryUsage: number;
    renderTime: number;
}
export declare class PerformanceMonitor {
    private metrics;
    private observers;
    constructor();
    private initializeObservers;
    /**
     * 测量翻译性能
     */
    measureTranslation<T>(fn: () => Promise<T>): Promise<T>;
    /**
     * 测量渲染性能
     */
    measureRender(componentName: string): void;
    /**
     * 监控内存使用
     */
    monitorMemory(): void;
    /**
     * 获取性能报告
     */
    getPerformanceReport(): PerformanceMetrics & {
        score: number;
        recommendations: string[];
    };
    /**
     * 自动优化建议
     */
    applyOptimizations(): void;
    /**
     * 清理观察器
     */
    destroy(): void;
}
/**
 * 全局性能监控实例
 */
export declare const globalPerformanceMonitor: PerformanceMonitor;
/**
 * 性能装饰器
 */
export declare function measurePerformance(target: any, propertyName: string, descriptor: PropertyDescriptor): PropertyDescriptor;
//# sourceMappingURL=performance.d.ts.map