#import <DOM/EventTarget.idl>
#import <HighResolutionTime/DOMHighResTimeStamp.idl>
#import <NavigationTiming/PerformanceTiming.idl>

// https://w3c.github.io/hr-time/#sec-performance
[Exposed=(Window, Worker)]
interface Performance : EventTarget {
    DOMHighResTimeStamp now();
    readonly attribute DOMHighResTimeStamp timeOrigin;

    readonly attribute PerformanceTiming timing;
};