import { PerformanceSDK } from './core/PerformanceSDK';
import { PerformanceSDKOptions, PerformanceMetrics } from './types';
export { PerformanceSDK };
export type { PerformanceSDKOptions, PerformanceMetrics };
/**
 * 初始化性能监控SDK
 * @param options 配置选项
 * @returns SDK实例
 */
export declare function initPerformanceSDK(options?: PerformanceSDKOptions): PerformanceSDK;
/**
 * 获取全局SDK实例
 * @returns SDK实例或null
 */
export declare function getPerformanceSDK(): PerformanceSDK | null;
/**
 * 销毁全局SDK实例
 */
export declare function destroyPerformanceSDK(): void;
/**
 * 获取当前性能指标
 * @returns 性能指标数据
 */
export declare function getPerformanceMetrics(): PerformanceMetrics;
/**
 * 手动收集并上报数据
 */
export declare function collectAndReport(): void;
export default PerformanceSDK;