import type nodePerfHooks from "node:perf_hooks"; export declare class PerformanceEntry implements nodePerfHooks.PerformanceEntry { readonly __unenv__: true; detail: any | undefined; entryType: any; name: string; startTime: number; constructor(name: string, options?: PerformanceMarkOptions); get duration(): number; toJSON(): {}; } export declare const PerformanceMark: typeof nodePerfHooks.PerformanceMark; export declare class PerformanceMeasure extends PerformanceEntry implements globalThis.PerformanceMeasure { entryType: "measure"; } export declare class PerformanceResourceTiming extends PerformanceEntry implements globalThis.PerformanceResourceTiming { entryType: "resource"; serverTiming: readonly PerformanceServerTiming[]; connectEnd: number; connectStart: number; decodedBodySize: number; domainLookupEnd: number; domainLookupStart: number; encodedBodySize: number; fetchStart: number; initiatorType: string; name: string; nextHopProtocol: string; redirectEnd: number; redirectStart: number; requestStart: number; responseEnd: number; responseStart: number; secureConnectionStart: number; startTime: number; transferSize: number; workerStart: number; responseStatus: number; } export declare class PerformanceObserverEntryList implements globalThis.PerformanceObserverEntryList { readonly __unenv__: true; getEntries(): PerformanceEntryList; getEntriesByName(_name: string, _type?: string | undefined): PerformanceEntryList; getEntriesByType(type: string): PerformanceEntryList; } export declare class Performance implements nodePerfHooks.Performance { readonly __unenv__: true; timeOrigin: number; eventCounts: EventCounts; _entries: PerformanceEntry[]; _resourceTimingBufferSize: number; navigation: any; timing: any; timerify any>(_fn: T, _options?: nodePerfHooks.TimerifyOptions | undefined): T; get nodeTiming(): nodePerfHooks.PerformanceNodeTiming; eventLoopUtilization(): nodePerfHooks.EventLoopUtilization; markResourceTiming(): nodePerfHooks.PerformanceResourceTiming; onresourcetimingbufferfull: ((this: Performance, ev: Event) => any) | null; now(): number; clearMarks(markName?: string | undefined): void; clearMeasures(measureName?: string | undefined): void; clearResourceTimings(): void; getEntries(): any; getEntriesByName(name: string, type?: string | undefined): any; getEntriesByType(type: string): any[]; mark(name: string, options?: PerformanceMarkOptions | undefined): any; measure(measureName: string, startOrMeasureOptions?: string | PerformanceMeasureOptions, endMark?: string); setResourceTimingBufferSize(maxSize: number): void; addEventListener(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions | undefined): void; addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions | undefined): void; removeEventListener(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions | undefined): void; removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions | undefined): void; dispatchEvent(event: Event): boolean; toJSON(); } export declare class PerformanceObserver implements nodePerfHooks.PerformanceObserver { readonly __unenv__: true; static supportedEntryTypes: ReadonlyArray; _callback: PerformanceObserverCallback | null; constructor(callback: PerformanceObserverCallback); takeRecords(): unknown; disconnect(): void; observe(options: any); bind any>(fn: Func): Func; runInAsyncScope< This, Result >(fn: (this: This, ...args: any[]) => Result, thisArg?: This | undefined, ...args: any[]); asyncId(): number; triggerAsyncId(): number; emitDestroy(): this; } export declare const performance: unknown;