// GENERATED CONTENT - DO NOT EDIT
// Content was automatically extracted by Reffy into webref
// (https://github.com/w3c/webref)
// Source: High Resolution Time (https://w3c.github.io/hr-time/)

typedef double DOMHighResTimeStamp;

typedef unsigned long long EpochTimeStamp;

[Exposed=(Window,Worker)]
interface Performance : EventTarget {
    DOMHighResTimeStamp now();
    readonly attribute DOMHighResTimeStamp timeOrigin;
    [Default] object toJSON();
};

partial interface mixin WindowOrWorkerGlobalScope {
  [Replaceable] readonly attribute Performance performance;
};
