#import #import // https://webaudio.github.io/web-audio-api/#OfflineAudioCompletionEvent [Exposed=Window] interface OfflineAudioCompletionEvent : Event { constructor(DOMString type, OfflineAudioCompletionEventInit eventInitDict); readonly attribute AudioBuffer renderedBuffer; }; // https://webaudio.github.io/web-audio-api/#OfflineAudioCompletionEventInit dictionary OfflineAudioCompletionEventInit : EventInit { required AudioBuffer renderedBuffer; };