#import // https://www.w3.org/TR/event-timing/#sec-performance-event-timing [Exposed=Window] interface PerformanceEventTiming : PerformanceEntry { readonly attribute DOMHighResTimeStamp processingStart; readonly attribute DOMHighResTimeStamp processingEnd; readonly attribute boolean cancelable; readonly attribute Node? target; readonly attribute unsigned long long interactionId; [Default] object toJSON(); }; // Potential fixme: This spec has some more IDLs // https://www.w3.org/TR/event-timing/#sec-event-counts // https://www.w3.org/TR/event-timing/#sec-extensions // https://www.w3.org/TR/event-timing/#sec-modifications-perf-timeline